When To Start Finishing Concrete | What Finishers Know, That You Don't!

#Finishingconcrete #Whentostart #Mikedayconcrete
This video is about when to start finishing concrete after you pour a concrete slab or concrete floor. I'm going to show you how to power trowel finish a concrete slab from start to finish. Learning the timing of how to finish concrete is one of the hardest things for a new concrete finisher to figure out. I'm explaining the timing while I'm showing you on a real concrete slab. I'm also showing you how to run a power trowel, how to mag float, and how to use a hand trowel. This is a basic training video for new concrete finishers to begin acquiring the skills of a real concrete finisher. For more detailed information about finishing concrete with a power trowel, you can check out my concrete slab course below.
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[@MikeDayConcrete]

If you want to learn more about how to work with concrete, join me in The Concrete Underground here: www.theconcreteunderground.com/the-concrete-underground

[@erichemard7066]

I’m an electrician by trade. Having to run my stub ups in a form and watching these guys come in and pour and finish a slab gave me a new profound respect when I see the end results. On one job, the finisher was short handed so I decided, what the heck, I’ll stick around and give him a hand..after about an hour with him I realized why I chose to be an electrician. It was one of the hardest but most rewarding things I have ever done. 6 years later I found myself on a job site with the same guy, I couldn’t help but to jump right in and helped him out again. If you ever have an opportunity to jump trades...do it. The experience is more than worth the work.

[@MikeDayConcrete]

Nice Eric, good job helping out a fellow contractor.

[@erichemard7066]

@Pap deisel two things I learned from that experience, you never leave another tradesman in a bind and I learned how to pour and finish my own slabs. It taught me alot about myself, so if anything i owe a lot of gratitude to other tradesmen like yourself.

[@paulbriggs3072]

Pouring and screeding concrete is brutal work- I have done it and even was hired to fix others failures. Again- it can be brutal. The power troweling is the easy but finesse work. Mike Day does it so that it looks easy.

[@erichemard7066]

@@paulbriggs3072 amen brother...hats off to the pros

[@floridaalvarado8897]

I would like to leave nursing if I could learn that concrete trade....I am always fascinated by the trades like masonry, welding, and construction..

[@randallreed2488]

I've been doing concrete work for 40 years. This is one of the best videos I've seen for a beginner finisher to get a basic concept of finishing with a machine. Good job.

[@nuclearbum9858]

i been finishing bout 30 yrs and i was about to leave the same comment....all bout timing and please never let that machine go while its running ..great job guys

[@MikeDayConcrete]

Thanks for the comment. Trying to help teach anyone willing to learn and better themselves.

[@randallreed2488]

@@MikeDayConcreteWe are a dying breed. This new generation needs to know as many of the tricks to finishing concrete as possible. Thing's that took us years to learn.

[@123mbcline]

I would have commented on the method of using a piece of gravel to lob into the air and watch the bounce but I figured that might be a little deep for someone new. I have always used the method that when it sticks its too early, usually when the gravel bounces its either ready or just about there, depending on if you're using kneeboards or a machine.

[@jonasgrumby4393]

@@123mbcline ---Exactly. You can't hope to teach concrete properly with a video so it's pointless to add anything.

[@truecountry5374]

Did this for about twenty four years. I learned the trade from the old school finishers who didn't have all the power tools that we have now. Now My knees are shot and the hip but I wouldn't have wanted to do anything else. Maybe worked a little smarter and drank less beer. Nice job brother

[@alexanderbordeau7417]

When I started working in concrete I had to learn it the hard way. When to strip the batter form on a curb led to slumped curbs or curbs to hard to even scrub. I finally got it figured out in a couple of months. I worked 18 years at concrete construction. It was a very satisfying trade. Thanks for the tips.

[@DeuceGenius]

Concrete is the best job in the world!

[@travisdavis1601]

Doing concrete for a living for 20 years..this is very well explained video..good job brother and may God Bless You for your info to the new guys...

[@joelcaldwell1635]

.35/1 Water to cement ratio is the lowest you can go but that be so dry I would like to see you try and pour that it would definitely be a zero slump. More water you add past that .35/1 is weakening the concrete that’s why When you’re doing a commercial job they had a concrete tested and tell you you can’t go more than three slump or what ever the Specs are. So definitely don’t add a bunch of water to your concrete like buddy’s saying lol and yes concrete drys that’s the dumbest shit I heard. The chemical reaction between water and cement is called hydraulicing

[@louie99999]

That is the backbone of our country right there. Craftsmanship and hard work!!

[@MikeDayConcrete]

Thank you John!

[@markbrandon7756]

Its great to listen to an EXPERT especially when he talks clearly , level volume , and speaks logically and tells you what why and whats coming up !!! No inflection of voice or sounding like to much energy drinks, just clear talking of one Man to other Men and Women who want to hear what information and opinions he has to offer !!! Thanks for the highly professional video in every aspect.. I watched to learn about a trade I really know very little about..

[@jdowell2009]

I like that the majority of your video is timing, and you actually showed your footprints. That's the most important part of finishing by far.

[@renovationsandmore7142]

Should have said "you're gonna have to turn out some mediocre concrete before you're gonna get a finish like this." Concrete is it's own beast...definitely a trade you ain't picking up in a few pours under the belt. Great job...wish we had more finishers like you around.

[@kobbehh]

Where i'm from when something is stupid, fucked or confusing we just say Such concrete which is kinda ironic as in english it's literally the opposite then again we named iceland iceland and greenland greenland

[@rancedodd]

You are right

[@peteshields1448]

Outstanding video Mike, been 30+ years in the business good to see someone explain it right .

[@MikeDayConcrete]

Thank you Pete!

[@russwilkerson2741]

Great job. Ex concrete finisher here. 1990s My grandpa tought me. A finishing machine stopped working, I said I can fix it. Fixed it. He gave me the ropes and I finished concrete

[@JeffLifeInReview]

Subscribed because I appreciate anyone, especially pro’s, who are willing to stop and teach the younger generation. I have done concrete and still learned something.

[@yopappy891]

I have always loved to help my Buddy's in the trade pour concrete, they think i am nuts but it's always been my fun, but none of them can hold a candle to your detailed explanations of the process. THANK YOU MIKE DAY !

[@MikeDayConcrete]

You're welcome.

[@ultimatehandyman]

This popped up on my feed, so I started to watch it 😉 I have to say I really enjoyed watching it. I have only ever poured one concrete slab for a garage base about 25 years ago. I often wondered how a perfect finish was achieved- now I know. Thanks for the video 😉

[@MikeDayConcrete]

You're very welcome. Thanks for watching. I checked out your channel, it's awesome. You've done very well. I'm a new subscriber looking forward to watching your videos.

[@ultimatehandyman]

@@MikeDayConcrete Thanks Mike, I've subscribed to your channel also. I'll be watching more of your videos when I get chance ;-)

[@normfredriksen1381]

Concrete's a funny thing. It waits on no man. I've poured slabs on the coast that's we had to cover with plastic and come back the next day to finish it. I've poured slabs in the middle of summer in the Mojave desert that from pour to finish only took 4 to 5 hours. I've poured specialty concretes that from pour to finish took less than an hour. Great video.

[@RoryFitz43]

Nice video, I finished for a few years, When it rains and the sun comes out, Look out! Foot print trick was my go to for finishing.

[@jimmymcmenemie1427]

Great, very informative tutorial. I must agree with a comment earlier, Mike voice is very easy to listen to, calm and balanced, and no swearing !!!

[@PenguinKnightilia]

That fuzz from the concrete actually adds a huge amount of mechanical bond to thin-set when tiling. Reduces tiling cracks, lift-off , pops and just makes around a tougher product. The rougher the better just have to make sure its level to a maximum tolerance in your country. Watched every single video

[@danwalters5198]

I’ve had to come up with a lot of stories but never used that one. It’s going in my note book. I think I can present that one where it’s believable.

[@irondiver292]

Dan Walters 😂

[@MikeDayConcrete]

The hand trowels leave a tiny bit of fuzz, but not much.

[@danwalters5198]

Mike Day Everything About Concrete 2% cal and hot water that fuzz becomes nonexistent. I have prayed for concrete that would leave fuzz. I understand what you’re saying though, I leave more fuzz with a finish machine than by hand I don’t burn floors in unless it is getting away from me because I don’t want to burn up my blades.

[@denniscooper2266]

Dan Walters z

[@toeputtsnz783]

Awesome presentation really thorough always wondered the process and why.. I'm a carpenter but always jump in and concrete when ever I can but no one has explained step by step thanks mate

[@MikeDayConcrete]

Glad you enjoyed it!

[@davidford9010]

The gentleman who taught me was super knowledgeable. I've poured a lot of concrete since and enjoy this program thank you kindly.

[@mokedokie]

So many positive comments...good work. I always love to see arm chair experts chime in to 'help'.

[@bleepsblops]

Mike, I worked briefly with concrete during my teenage years, mainly laying brick and tying rebar for pillars. I have watched a couple of your videos and wanted to let you know that I really appreciate your professional demeanor and the respect you have for your tools and how you instigate people to reuse their forms and pins. I've lost count of how many contractors I've seeing treating their tools like they're disposable and often, leaving so much material leftover behind that they surely might be taking a 10 to 12% loss on their profits. Anyhow, keep on the good work and stay safe.

[@MikeDayConcrete]

I appreciate it! Thank you

[@brianhaygood183]

Thanks for this. A couple of years ago I watched probably 20 videos and googled all sorts of stuff before I finally found someone answering this question. Finally one guy said, "make sure the water has dried off the surface before you float it." ....like it was something everyone was just supposed to know.

[@MikeDayConcrete]

Brian, I try not to take for granted what a lot of people don't know about concrete. Sometimes I do though. Hope I answered your questions. Thanks for watching!

[@frankleicht5377]

Wow! Great video. It is so heartwarming to see work done right and with pride. I've done some small slab work, and it is not easy. Concrete does not wait for you. So thumbs up for a great job!

[@Ballskinicus]

I wish we had a concrete guy like you over here in AZ. Thank you for the very informative, awesome videos. Thank you for demystifying concrete Mike!

[@fishbiscuit2000]

It would be good Mike to see some close ups of what the concrete looks like after each stage and what level of finish you're looking for after each pass. We got a good idea of what the first pass with the machine looked like but not much after that.

[@johnbrentonlll]

Machine it twice. For any result. Or hand finish it twice. Broom after if that’s your objective. Or stamp. Or leave it smooth. Great video

[@georgedavis9943]

You’re the man, Mike. Been watching your videos for a while. Just poured my first 12 yard sidewalk, and went without a hitch no thanks to your pro tips!

[@MikeDayConcrete]

Hey George, that's awesome. send me a pic to [e-mail]

[@christopherhammell164]

Thanks to your tips you mean...

[@albertoceledon5530]

Mr. Mike you totally nailed it Sir. Right on point on your tips 👍

[@johnra1269]

I love the tips. Going to do a 16 x 18 pad for my 12 x 16 shed. Will be the first time doing a slab that size and attempting to be a professional job. The last pad I did was a 4 x 6 for an oil tank. I only brushed and edged it, No floating I did not know of all that at the time but it was just a pad for a Home oil tank. Still looks great today and that was around 15 years ago.

[@deanhoward3212]

Haha I was a concrete contractor for 20years, and watching you was great! I totally agree with using the steel floats on the machine first. The degree of extra flatness is astounding. Also finishes quicker in the cold, but can be too fast after about 25 degrees celcius. Great video and you are a master to watch.

[@inquisitive1911]

Hi, we had an 8m X 4m concrete slab built, 10cm depth, but it has since cracked in places on top, all the way across its full width. We got the builder out to come and fill in the cracks again with a trowel (flat plate) a few months ago. Only a few days ago, it rained heavily, and it cracked all over, worse than before. The builder has however still left the wood all around it, still attached at the edges. - Would this cause cracking? We haven't sat any structure on top of the slab yet. Do you know what would cause this cracking issue? Thanks. Love from Scotland X.

[@goodiezgrigis]

Can be alot of things, concrete mix, rebar or lack of rebar, ground preparation. Form does not affect cracking as concrete shrinks when it cures.

[@PetraKann]

Great video. (Although concrete does not technically "dry". Actually the setting process is the opposite of drying - it's a hydration reaction. Water chemically reacts with cement in order for the concrete to "set". The Chemical reaction involving cement and water is also exothermic, that is it gives off heat so the concrete slab warms up as the water reacts with the cement. This is why concrete continues to cure over time, even though it can be raining everyday. Surface water really doesnt affect the curing process inside the concrete slab. One of the biggest problems in mixing water with cement, aggregate and sand is insufficient water. If you dont mix enough water into the initial formulation, curing and strength will be inadequate and the slab will fail over time. Excess water, is less of a problem because it will bleed through to the surface. Annoying but better to have a little more water in the concrete mix than insufficient. Although way too much water can cause other problems like concrete handling and cement loss due to water seeping out of the form work. It's complicated chemistry because there are many components present in cement. One great curing method for concrete is to keep the concrete slab watered by spraying water continually. Keeping the concrete "wet" is important during curing. Drying is the enemy)

[@jonesconrad1]

what's your thoughts on thinset regarding too much or too little water?

[@brandonsmith8421]

It's nice to hear from someone that truly 100% now's concrete. Eat sleep and breathe concrete.

[@keithrides65]

This is by far the best concrete video I have watched. I have a large slab to do and was intimidated by dry times and finishing. This clarified dry times for using the power trowel and the cross pattern technique.

[@MikeDayConcrete]

Thank you!

[@bobbyoz8251]

Thanks Mike I just discovered your channell . I'm a local council labourer/operator here in Australia. I have much respect for concrete workers, thanks again for showing how much expertise is involved in a top concrete job.

[@MikeDayConcrete]

Thanks for watching!

[@leathernluv]

I've only used a power trowel once, and the boss didn't explain remotely this well. I had very little experience at the time too (not a month.) Thanks for being the boss/coworker he couldn't! This video will help anyone with some experience get another skill.

[@MikeDayConcrete]

Just trying to help people who want to learn improve. Thanks for watching!

[@randyfin8751]

Great tutorial! I'm doing a slab for my garage in the spring.

[@MikeDayConcrete]

Awesome Randy, hope this helps.

[@bpdp379]

Randy Fin how did it turn out?

[@Original-0]

You finish that slab?

[@LM-ys8kr]

I worked precast concrete for 15 years & found a big difference in the brand of the floats & trowels & how they finish. I've had my share of large slabs setting up & curing on me fast in the 90 degree heat. I've seen power trowels used but still haven't used one yet.

[@williamd.costigan3]

I am a carpenter that has built some amazing forms, like 20 foot tall concrete walls and radius walls. I always admired the finishers that were called out to finish the concrete once it was poured. Your video makes me want to try and finish a patio slab that is coming up. Can you talk a little about magnesium floats and trowels and about what they do and when to use them. A good finisher here in Soi. Cal. gets 350 per day, even if it only takes four hours to finish the job they still get 350. They deserve it but it would be nice to do some of the smaller jobs myself. Thanks for your channel, I really enjoy watching.

[@georgefolgers8731]

Thank you ,, great video, Lots of experience -- thank you once again in future going to refinish my basement, without a doubt will buy your course.

[@MikeDayConcrete]

Awesome George! Thanks for watching and commenting.

[@mikecrowe4674]

This dude is really good - I work with concrete a lot and he’s always got great advice for all levels of experience. This dude proves to me anyhow that every day is a school day - top marks👍

[@MikeDayConcrete]

Every day is an opportunity to learn and also to make money. You never get a day back you take off.

[@mikecrowe4674]

@@MikeDayConcrete - just gonna make a start with imprinting concrete. There’s not too many doing it in Northern Ireland so might be a good opportunity. I’ve done a lot of slabs and floors etc so imprinting should be handy enough with a bit of practice and prior experimentation. Great videos dude - pretty well explained and demonstrated. Good luck👍

[@j81851]

Mike you are amazing. I have experience in a parallel universe with floor machines. Let me tell you brother the finesse and skill you have with that power trowel is incredible. If it relates even an iota to the floor machine you have a bow, hats off and kudos from me. I bet it took a little while early on to drive that power trowel that way. I know from your expert explanation the power trowel is about as potentially wild (if not worse) than a floor machine. I think this is craftsmanship evolved to a whole higher level and value your time and experience to share how to help the rest of us learn. The floor turned out awesome I am sure the owner was very pleased and had virtually no additional prep to put down his floor covering. The slab was ready once it set up!

[@moisty254]

Great video. I just concreted some slab cuts/trenches for plumbing in my new bathroom today, and i'm proud to say i'm glad its getting tiled over :D

[@terryl7855]

Good video! Great point on reflective wall lines, 30+ years myself. After the first two passes on the 90° I like to run on a 45° for the next two passes and new guys don't pull forms until your done finishing :)

[@davidtaylor9336]

You got problems you pulling forms same day it's poured.

[@randyo.3617]

I've been finishing for 30 years, I've learned that pulling forms same day is not good, corner cracking ,etc, I always wait till next day.

[@elmerescanuela4121]

@@davidtaylor9336 I’ve only been doing concrete for two years and haven’t had issues pulling forms off same day.

[@jdenmark1287]

Your channel popped up in my recommended vids. You can't believe how nice it was to hear your accent and watch a real craftsman at work. You made me homesick for Maine. I been "exiled" to Hawaii for the last six years, time to pay a visit to my old state. Good work, great information and very kind of you to share your experience and knowledge.

[@MikeDayConcrete]

J Denmark - thanks for watching. Where in Maine are you from?

[@jdenmark1287]

@@MikeDayConcrete grew up Cape Porpoise, was living in Boothbay Harbor/Edgecomb.

[@Mike.Fortin]

Started my own business this year working with ICF. Just wanted to say I appreciate your channel. Lots of good information for someone starting off!

[@jonkirkwood469]

I've done a couple of broom-finished sidewalks, learning as I go. I'm preparing to pour a shed slab, so I'm heading over to your "How to Pour a Concrete Slab" video. I don't want an 8' X 12' concrete mistake in my backyard. I really appreciate the videos.

[@billcass8098]

An old finisher told me once " Concrete will tell on you" I said what do you mean? Anything that you did wrong will be there for everyone to see

[@lazenbytim]

Hardest but most rewarding job in the world I reckon.

[@desslattery3457]

There a hard way of doing every job and and easy way, which is the right way

[@davidsine4390]

Bill Cass I read, when concrete starts setting up, it waits for no man. I guess if you loose it, that's one of the reasons they make jackhammers.

[@darylmartin8936]

Concrete is like a woman when she is ready you better get on it. Cause once she sets up. It’s over.

[@joeoathkeepernuno7086]

Lol.... That's exactly what I said when I poured a 4x6 for my mom. Lol! It actually yield back at me. I was late on the bull nose. All "f" up but the water rolls clean off....

[@FrankyCpunishmentSTYLE]

I’m a plaster apprentice and I’m pretty decent with a trowel by now I’m thinking of getting into concrete finish it’s pretty interesting seeing and hearing a lot of similarities when it comes to both trades

[@andrewpipitone1572]

You will get real good with a trowel doing floors your grip will hurt peoples hands as it would already. Concrete is exciting doing both would be a good balance

[@FrankyCpunishmentSTYLE]

@@andrewpipitone1572 I did a lot of offsite panel jobs that they’d rig later for these high rise projects, and we’d lay the sheeted framework flat on these carts and work on them like that and after I did that kind of work i ended up doing some concrete patching for a little while and my crew lead didn’t know how to use a trowel so he asked me to do a 4ft x 3ft patch and him and the foreman seen my work and told me why the hell was I doing patch work I should be a finisher 🤣

[@kelseydaoust3602]

Your videos are awesome. Very informative and easy to understand for someone who knows nothing about pouring a slab. Getting ready to get one for my garage, radiant heat. Thank you for sharing!

[@myronlewis8651]

You a inspiration we love you out here, keep doing great and teach others to become successful as you are. Definitely respect your craft 💪

[@louf7178]

Just looking around. Good video. I do want to remark about sawed joints: I see this had been a trend in the past decades (especially of driveways), but I hate them - they chip, and its because of stress concentration at a sharp edge; corners (at intersecting cuts) chip even worse. Rounded edges last MUCH longer - the life of the slab - and stress concentration (reduction of) is the reason why.

[@adr2151]

You were doing it wrong.

[@mctabish1001]

I wish we had KZbin like this when I started out!

[@MikeDayConcrete]

Same here, thanks Pat.

[@lukasjackson4739]

I've Been in concrete for 25yrs- this guy knows what's up. The irony of finishing is ... "nothing is set in concrete" when it comes to finishing. Different temps, humidity and cloud cover makes every day like calling an audible. His instructions and tips are dead on. Thumbs up and a follow well deserved

[@jeremysimon4439]

Wife always asks me when I'll be done for the day, my reply is I don't know ask the concrete when we'll be finished.

[@randywolf604]

I like learning tips and tricks from many finishers so I can incorporate them into my own finishing, thanks 🤟🏼

[@m2aonmts]

Very informative for those wanting to learn this skilled trade. Keep up the good work! One technical issue, however...you referred to the saw joints as 'expansion' joints. Those are 'control' joints. There is a BIG difference between expansion joints and control joints. The tradesman should understand the difference. Concrete shrinks. It does not expand. Shrinkage cracking begins to occur as wet concrete begins to shred it's excess moisture during the hydration process (curing) after placement and continues at a microscopic scale throughout the life of the concrete. Saw joints (when installed at the appropriate time during hydration, will help to "control' where the shrinkage cracks appear by creating a thinner cross-section in the slab. Shrinkage cracks will seek the path of least resistance, therefore they will usually appear at the 'thinner' cross-section that is created by the saw joint. Expansion joints on the other hand are an important design feature of concrete structures and are formed into the concrete to isolate one section from the next to accommodate differential movement. Reinforcing steel (rebar) does NOT extend through expansion joints but does extend through control joints. Dowel bars (not rebar) are often used in expansion joints to keep the surfaces of each section even with each other and are lubricated on one half to prevent the concrete on one of the sections from adhering to the dowel in order to accommodate the movement between the sections.

[@ChathamJackTar]

I believe there is an initial, brief expansion of concrete after the pour followed as you point out by continuous shrinkage. Expansion joints respond to the early-phase curing.

[@sarahbray3094kmmlk]

My boyfriend just started with a concrete foundation company, and this really is helpfully him

[@brandonsmith8421]

What?😳

[@yvesjolicoeur747]

nothing beats experience like yours, thanks

[@mattkonetski9818]

Great video. Good camera angles, good explanations. I tried hand trowling my carport...gave up on that and grabbed a broom. YOU, gave me the confidence to try that power unit on my new garage. THANKS

[@RANDALLOLOGY]

My hats off to you because that is a hard back breaking job. Your knees and your back will take its toll on your body over time.

[@MikeDayConcrete]

Thank you. Still going strong so far!

[@sku32956]

yep seen concrete workers getting there backs cut on ,they cannot take the hard labor over many years .

[@cygnus1965]

I was in the best shape of my life for a few summers around 35. Had concrete to thank for that. Ran my own business for 10 years or so. Made enough to retire at 40. My body is beat up now but that’s from motorcycle racing not concrete

[@waynebanks8656]

Don't you speak that evil on him Ricky Bobby.

[@jynnandtonnyx]

New Subscriber because of this video. Thank you. I learned many things that I was doing wrong. I have one successful small pad and then two ugly ones after that under my belt. Been told I rush my concrete. Never did the finger test. Never knew about mag trowels....

[@manuelrivera9741]

Great job I'm finished for 10 years and that is what we do here in tx

[@MadMaxx570]

Concrete is my job, but i'm long gone by the time its hard, i just deliver it. Interesting to see the kind of work that goes into it after i've left the construction site :)

[@MikeDayConcrete]

Thanks.

[@jimyost2585]

I'm 73 years old now and I was a drywall finisher/contractor for 45 years (I'm pretty much retired now), and I worked for several builders who were geniuses who could build a house from the ground up if they wanted to (and do it better than most subcontractors). But there were four things they wouldn't attempt to do themselves (even if they were in a financial tight), which were the foundation (i.e footer, slap, poured concrete basement, etc.), the plumbing (including the sewer/septic tank hook up), the drywall finishing, and the roofing. And most of them wouldn't tackle the painting either. I can hang sheetrock and I'm very good at it quality-wise, but I'm so slow at it that I end up making about 1/4 per hour that I do finishing it, so I never hang my own sheetrock (not unless it's a really small job that isn't worth calling my hangers to do). And I think that's the way most builders look at doing their own foundations and slabs. They can do it and they would do a really good job doing it, but why in the hell do it?

[@robertzaske5321]

Been doing concrete for a while thanks for showing how to properly use that trowel machaine great job

[@kellyinfanger9192]

Excellent primer! Let me add this: when you mag those edges, we can hear that grinding sound. That is the opportunity to press down hard (the mud will seem soft enough to not be necessary) to press the larger gravel down which raises a good cream/fat. The power trowel is heavy enough to do that without conscious effort. Having said that; be sure to keep the surface flat all the way out to the form. Too many wannabe finishers break the plane - roll the edges downward - then later finishing strokes are anywhere from very difficult to impossible.

[@vince6056]

I wish this video was around when I was younger. Concrete is all about knowing when to get on it

[@MikeDayConcrete]

That's a big big part of finishing!!

[@jessefillmore]

Concrete work isn't for everyone and can be rough . Mike is 26 years old ! jk I'm a fellow concrete finisher, Mike . Been in it for 22 years so I know how stubborn concrete can be lol . Keep up the great work !!

[@MikeDayConcrete]

J-man, you're awesome. Thanks for watching! Where you from?

[@dantevanniekerk]

Great informative video for beginners Mike. You should also have noted that the powerfloat's blades can adjust. First runs, angled blades. Finishing & final runs with flat/ter angled blades. Looking forward to more videos like these...

[@bruceperron3796]

I like they way you mask areas so it will be clean when you leave,I've cleaned concrete thats been flung on walls,rockwork,brickwork,siding.

[@JG-kv4oi]

Thanks, nice informative video. Don't do concrete for a living but I'll take on a 10 yarder by myself for my own project. Own a power screed and a power trowel. Anything larger and my adult daughters are out there helping me. 😊 We average a couple pours a year.

[@MikeDayConcrete]

Thank you J G!

[@jerryhubbard4461]

When pouring critical concrete no matter what time of year, you have to talk to the operator of the batch plant and explain what you are pouring, how far it is from the plant and you have to consider temp as one of the most important things. The concrete that I poured most of my working life was not of the average backyard slab. I helped pour a lot of 4 and 5 thousand psi concrete. Either on nuclear power plants or bridge footing and decks. I know I came across here as a know it all but when you are pouring concrete that a QC inspector is constantly monitoring, you will do it right or cost the company a ton of money. You have to pour certain concrete at a specified slump from the truck. Most of the time when it it batched, it will be several points higher than when it comes down the shoot. I have never poured concrete with the temp below 45 degrees as it was not allowed. I have poured many yards above 95 dregrees. This is where you better have plenty of help. Ice is not always the only thing that will help with hot concrete. You must add chemicals such as superplasticiser which will hold the slump at a desired flow giving you time to finish the surface. In the winter, we were not allowed to use calcium chloride as it is a corrosive to the reinforcing steel. I see some people in the summer after the concrete placement, roll or spray curing compound on the concrete after initial set. In my line of work, that was not allowed. We had to make temp dams and flood the concrete with water at a mimimim of 3 days, some up to 7 days. Not sure what psi you poured here but in my opinion, I would not give you a plug nickel under 3000 psi. Concrete is not an exact science. When you break a cylinder after 3 days, psi can be off as much as 1000 either way. As for concrete with fiber in it, I would not put that stuff in a hog pin.

[@MikeDayConcrete]

This was 4000 psi. That's the minimum I pour in the winter.

[@clintonboyer1217]

Interesting flooding the concrete, when you did that how long did it stay flooded for? How deep was the water? Very interesting idea for prolonging cure time.

[@jerryhubbard4461]

@@clintonboyer1217 Around to entire pour, the concrete is covered with burlap just after the set is able to withstand walking on. Employees were paid to keep the burlap flooded with water using hoses. If any of the placement would hold inches of water, the better. This was done year round. In the freezing temps, huge tents were constructed and large heaters kept the water covering the concrete from freezing. This was done when I worked on Nuclear power plants. It worked and never had any shrinking issues or cracking.

[@jerryhubbard4461]

Some of these concrete pours were in access of 4000 cubic yards under one heated tent.

[@jerryhubbard4461]

@@clintonboyer1217 Due to this being a Nuclear power plant, very strict guidelines. All concrete on this job was flooded for 7 days minimum. Some of the concrete was cured like this for 14 days. On this job we also had concrete identified as critical and none critical. Around the tendon rally of the retainer ring of the reactor, some of the concrete had a 10,000 psi value. I had steel pellets in it. Very insteresting job.

[@ryangedge4251]

Uk here .loving this Iv just done my first job .from watching you amazing.

[@rubihernandez4781]

Truly appreciate you sharing your knowledge 💫

[@beaverdog5590]

Love the vid! Only negative thing I can say is that this cannot be a first timers pour! Start smaller. Too much risk at this size for newby

[@MikeDayConcrete]

Thanks Jason!

[@harshtruthengineer1382]

Cheers mate, subbed up Good to find someone who knows their shit

[@MikeDayConcrete]

Thank you, I appreciate it!!

[@mattbeveridge9248]

I re watch all your videos all the time I'm obsessed with the trade been finishing for about 5 years with a company that does lots of residential light commercial and we pour everyday. I love watching your videos to learn little diffrent way nothing beats concrete work it keeps you in shape. And the satisfaction of finishing liquid rock is awesome I also have my own construction. Buisness I do drywall roofs etc but. Nothing beats concrete. Just wanted give you a shout-out keep em coming

[@osirus1322]

Excellent video Mike. Very informative. Please keep them coming.

[@psidvicious]

-Good stuff Mike. I don’t know of any other YT channel that goes into the detail you do about concrete finishing. Very thorough. -As a structural superintendent, I worked with concrete finishers nearly every day but I’m not a finisher by trade myself. Why the special attention to the edges with the mag? I know the anchor bolts and sometimes pipes get in the way of the machine, but why can’t the entire slab, edges and all be done with the machine? With the exception of just a cpl inches around obstructions.

[@Tunnel1967]

If I may chime in... you see how Mike changes the pattern in the middle of the floor to keep the floor flat. The trowel machine can only hit the edge at one direction. This can move the top cement to cause high and low areas against the form that can not be corrected with the it. I think as for hand troweling around bolts, pipes etc... that are usually inside a wall for the most part its not necessary but for a good finisher its about the detail. Concrete is an art work

[@psidvicious]

@@Tunnel1967 I would have to agree. I’ve always said, next to a stucco/plaster man (a lot of that in my area), concrete finishing is the closest thing to an art, in the trades.

[@MikeDayConcrete]

I agree with Tunnel1967, the edges are a "detail" l like to make sure look as good as the slab. And he's right about the power trowel only finishing the edge "one way" during the process. It will create a small ridge/hump if you're not careful. Using the full width of the mag then the steel trowel helps keep the edges flat.

[@psidvicious]

@@MikeDayConcrete Gotcha. Thanks ‘Tunnel’ and ‘Mike’. 🤜🤛 Gonna have to talk to my finishers about this 🤨

[@timothywells9813]

@@psidvicious it'll be hard when it's done, you can count on that

[@izandevainmyheart1129]

Wish this channel was around years ago!

[@MikeDayConcrete]

Sorry, I wish I started it years ago too.

[@jamesabergman]

Great video. Thank you for sharing your knowledge with your fellow man. Thank you for your leadership.

[@MikeDayConcrete]

You're welcome, thanks for watching.

[@bobbyb7127]

Dang...that's better than my house slab. I didn't see them but I we would say they poured my slab, smoothed it out a little and left. Your slab is awesome...great job. You show a lot of pride in your work. Something I think everyday we are losing.

[@xuv5607]

There is only two things you need to know about concrete. #1 The truck is always late & #2 It will always crack. Your a professional now:)

[@darken3150]

#4 you're

[@Cjusto1]

Poured concrete for a long time. It’s been awhile since I have. They stripped the forms a little early for my comfort. No?

[@MikeDayConcrete]

No, the concrete was plenty firm enough.

[@Cjusto1]

Mike Day Everything About Concrete you would know better!! I would just be worried taking the trowl off or someone stepping on the edge and it chipping. Nice job.! Love the videos

[@richmayne596]

Well done. Im on board with the pre mature form stripping. Still green can chip or blow off a corner real easy. I leave em over night... doesnt hurt. Well done though👍

[@joshuastackhouse5973]

Thanks Mike. You make Concrete a calm venture. I always have anxiety. Being that I don’t do it everyday and the weather plays such a factor. 🤙 Merry Christmas

[@maxjordan2625]

Best video I've seen yet on concrete especially regarding timing between steps. Thank you 👊👊

[@MikeDayConcrete]

Glad it was helpful!

[@pravinthomaskoshy1109]

I was thinking of doing it myself. now I goona hire a professional with all the tools LOL

[@MikeDayConcrete]

Sometimes that's the right decision

[@Trildin]

What I've learned today - Everyone does concrete different xD

[@clayed]

More than one way to skin a cat. Interesting to see how others do it.

[@davidtaylor9336]

Yes because if he wasn't using a power trowel it was time to get on that crete.

[@coltsfann23]

That’s true depends what state they at too cuz out here in cali 😂😓😓

[@ryanneff8176]

Yes that’s a fact

[@matthewcanfield6748]

He knows his stuff, but I do some things diffetent. Nothing wrong with that

[@lyzadavis543]

Great video..really appreciate your willingness to share and your clear and concise delivery 👍

[@jessesloan9636]

Yea i have to agree with most everyone else here. Terrific information for who watches it. Been in the field for a few years, enough to say I know a thing or two about making mistakes lol. Pretty nice to see a video done professionally from someone who clearly isn't an actor. Well done, certainly got my stamp of approval.

[@victoralmeida2870]

Hey mike victor here from Niagara falls Canada I just finished watching your video on the what appears to be a rather large pad . You had finger tested the bottom corner of the pad a few times until desired setting was satisfactory. My question is , what time of the year was this video taken ? Also if its summer would you be looking at a deeper finger depression ? !in order to get to the balance of the area in time before it sets completely. Just want to let you know that I love watching you guys ,and its great to see females on the job site . We also hire women and find that their great assets

[@MikeDayConcrete]

Victor, Starting time is pretty much the same on all slabs. If it's bigger (much bigger) we usually start with one guy floating and if a 2nd guy is needed after a while he'll jump on with another trowel and start troweling. If you're experienced like us, 1 guy can usually keep up with the floating process. A 2nd guy can start the finishing process (finish blades) if it's on a big one. This was late Fall. In the heat of the summer we just have to move a lot faster.

[@victoralmeida2870]

Thanks what’s your opion on a Marshalltown stencil roller ,?

[@richardbowles7690]

Great video. There are milion WRONG ways to finish concrete. Thanks for sharing right.

[@MikeDayConcrete]

Thanks Richard!

[@mac2658]

I was a concrete floor finishing contractor in cold Canada, all italian and Portuguese workers, good men. Planning day and night crews was my life. Sometimes i had nightmares of a 20,000 sq. ft. slab completely poured with the day crew having left and the night crew not showing up while in front of me the concrete is already beyond saving, horrible. Good memories but glad i changed path before being forty. Thanks.

[@Stan_in_Shelton_WA]

First KZbin video that I see you put plastic on the building. After my first pour on a finished building I have always used plastic. THUMBS UP!

[@MikeDayConcrete]

Yea, concrete splatters really easy doesn't it.

[@Grifiki]

"Concrete in Canada?? 'Clay in Casablanca."

[@deancowley8045]

Never seen the forms struck whilst still powerfloating. The edges are still green and easy to damage.

[@MikeDayConcrete]

We're careful, never damaged one yet.

[@bem9132]

Absolutely great video, thank you for producing these.

[@JJCGCAZ]

Thank you so much Sr for sharing your knowledge!!👍🏽

[@MikeDayConcrete]

You're welcome.

[@dragosxtc1901]

And the most important part is a dog to run around and put the finishing touch

[@jameshanna7651]

Should of put 1or 1 1/2% calcium in the mix

[@MikeDayConcrete]

In the video I said we used calcium.

[@jeffwilson1399]

Calcium is great for concrete. More the better!!! Or. . Maybe look into NCA's instead. Yeah. . Prolly more money. . . But it's used for a reason. U don't see cal on anything covered by building codes. Or at least you shouldn't.

[@fly3209]

awesome ! thanks ! very cold 40 F=4 Celsius....

[@MikeDayConcrete]

Yea, it was quite chilly for this one!!

[@adammatthews9042]

Good video. Well explained. Experiences and common sense go alongway.