The Big Build 25 The Lads First Roof, And making a Scarf Joint

Scarf Joint
In this Scarf Joint Episode of the Big Build Ed and Ollie have worked out their first set of rafters and cut this gable roof structure, They did really nicely and it was a perfect job, they are test driving my new simplified metric framing square and App. I am super proud of them!! I then took them through the scarf joint process and taught them how to set out a scarf joint in detail. The scarf joint is one of the nicest joints to do on site. it takes no time to do and no special tools are needed only a circular saw and a hand saw.
I am going to feature in more detail my simplified metric roofing square many other videos so keep an eye out for those
For my 76mm and 102mm hinge jigs click here
www.robc.co.uk
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Music by www.bensound.com

[@richardfearn6638]

immensely satisfying watching craftsmen work. Another brilliant video

[@ukconstruction]

Thank you very much!

[@oliversmith8077]

Was a pleasure to be part of this build, albeit very brief. I hope to make a return again soon! Robin is a great craftsman and teacher.

[@ukconstruction]

Well mate you are a great guy and fabulous craftsman yourself, I look forward to working with you again soon!!

[@carolewarner101]

Very valuable information for a very valuable and necessary joint!

[@ashleymccarthy6232]

Ollie and Ed are lucky to be learning from you mate. The roof structure is looking fantastic. Keep at it guys 👍🏻

[@jofasable]

Professional carpenter builder, and professional Teacher.

[@grumpyone5963]

I think we need a slow-mo of Ollie’s string line knot with explanation! Looked a great way of doing that.👍

[@ukconstruction]

Great suggestion!

[@priestland1]

Complex roof build made to look easy, skilled craftsmen is the answer.

[@omarslilem7611]

Man u full of knowledge thanks you

[@lewisbrotherscarpentry]

Crazy skills

[@holdfast7657]

Love watching you at work, seems like the site is a stress free zone. Now I'm retired what I would say to my young self is- take a bit more time when on price work, don't stress, wear hearing protection and masks.

[@TheToolnut]

Don't bother with price work, day rate only 👍🔨🇮🇪

[@thetessellater9163]

That 8 foot level looks massive when you're holding it Robin !!! I hope these guys realise they are receiving the best possible chippie training, and stay with you.

[@markrogers2366]

It’s really only a 6ft level, Robin is just vertically challenged 🤣

[@kevinbarton8036]

Love how u let the boys think then explain fantastic work

[@engr810]

All of your videos are of highly quality construction and your site is always too clean and tidy for construction 👷 shows premium standards of building you file

[@surfrico]

You make it look so easy Robin. This is a great series and I really enjoy watching your videos...they're much like the Big Build, put together brilliantly. 👌👌👌

[@chriscollins1704]

I wanted to see the wedges go in

[@davidrussell8689]

I’m not a construction worker but what a well organized working environment !

[@tanja8907]

This is what building is about. Care and craftsmanship.

[@paulr9627]

Nice if not 100%clear explanation. I'm gonna give it a go, maybe 2 or three times before the real thing ;-)

[@grantconnor2664]

Brilliant teaching Robin, lads are very lucky

[@bricklayersworldwithandy6277]

Great stuff, just binged the last 4 episodes can't believe people give negative comments, everyone does things differently it's the end result what counts and we all learn from each other 👍, I had an interesting experience with trusses this week.

[@ukconstruction]

Thanks mate!! What happened with the trusses???

[@bricklayersworldwithandy6277]

@@ukconstruction Have a look at my channel, last but one vid 👍

[@royordway9157]

Hi Robin, I have been watching all of the videos in this series and it's time I made another few comments. I envy you having 3 young guys who want to work and to learn. I'd love to have some help who really want to be carpenters. I like showing, teaching, people all of the different ways to get a job done depending on the circumstances. I thought I was the only carpenter who still uses an ordinary handsaw these days. I do have a couple pull saws, but I still like the old style. I keep forgetting I'm 66 years old and try to work like I'm 46 and end up wearing myself out.

[@loges536]

These young guys are so lucky to be doing their time with you. Beyond skilful. Im 8 years experience, qualified for 4 at 26, and you’re by far one of the best I’ve seen! Love the videos, cheers from New Zealand 🇳🇿

[@ukconstruction]

Thank you for your comment mate!! I am lucky to have them!!

[@loges536]

No worries mate, any thoughts on doing a Q&A video in future? Would love to pick ya brain abit!

[@shaunglendinning]

Great job Lads! Really interesting and enjoyable to watch.. Thanks for sharing.

[@ukconstruction]

Glad you enjoyed it

[@Chris-the-Saxon]

Alright fellas? Loving the midweek videos!! It's really coming on great!

[@DIYBuilt]

I just love the way this build is coming along Robin. Love the detailed explanations as you go. Great, great video.

[@ukconstruction]

More to come!

[@martynreek6445]

Mate, now doing Scarf joints regularly all thanks to you enjoying all the videos, Thank you very much.

[@Kodybrandon68]

Beautiful work !!! You can see you really have passion in what your doing brilliant!!!

[@leighharris1209]

I like how you're teaching these lads to think so they can work using initiative 👍

[@tomforward990]

Nice work on that scarf. Good job as usual

[@ottango531]

Great video can’t wait for the square and app to be available. Noticed your Circular had a 5AH in it I have recently upgraded to the 8AH high output batteries they cut through roof timbers like butter and they don’t strain the saw.

[@kuk3411]

Fair weight on them 8AH

[@mc1703]

@@kuk3411 M18HB5 good for skillsaw or combi

[@ottango531]

@@kuk3411 hit them weights 💪🏻

[@kuk3411]

@@ottango531 my spaghetti arms can’t handle it!

[@ottango531]

@@kuk3411 been running the m18 framing nailer with 8ah recently 😂😂 jelly arms mate

[@TinovanRijswijk]

An absolute pleasure to watch!!!

[@petemoring67]

I'm sure while you were explaining centre-points and batons on OSB there that I saw several ZZZZ's fly over Ed's Ed ;-) ................... Fabalus Job ......

[@Handless_handle]

Top quality workmanship! A real art and skill rarely practiced nowadays with speedy develop and prefab’d construction methods. Top work

[@billrimmer5596]

That was a great one!!

[@michaelplays2449]

Great video Robin ,thanks

[@robquince3076]

That was brilliant matey 👍👍and I thought it was only me who can't find his pencil a hundred times a day🤣🤣

[@Rolandpgbrooks]

Fantastic, love watching this house come together and learning so much on the way.

[@Elfin4]

As always great video and fantastic work.

[@willbee6785]

Take me back. The only thing I would say & it’s minor. Cut the the end bit off the scarf joint first. It stops the saw plate rocking & rolling & allows the saw plate to sit flat. 👍 Great job & video as always.

[@graemescott990]

Magic video Robin really well explained :-)

[@qwertyuiop124172]

Hello Robin, Precision engineering, expertise and years of practical experience. I love your method of scarf joint. My prayers and God bless you. You definitely have best team mates. Awaiting with for next video. Best wishes from Leicester ENGLAND. Ahmed

[@timster99uk]

Robin, any chance that you can show how you tie your string line please?

[@ukconstruction]

no worries, we will do that soon

[@timster99uk]

@@ukconstruction cheers 👌

[@jlewis1688]

@@timster99uk like you tie your shoes LOL

[@baraklazza1595]

always hard going trying to plumb up a truss that way with no timbers in the middle @ 4.00 what i have found works really well is pinging a chalk line on the floor, example 100mm in from each end of fixed point of truss cord/ then find centre of truss sit a dot laser on your chalk line and use the dot laser to plumb up truss at apex being the same 100mm so accuarte and keeps roof so square :) we also use a dot laser to plumb up all external corners of studframe and internal frame work rather than a spirit level and my god its so much more accurate

[@samposton9101]

Really nice work lads!

[@neilhowarth9362]

Top job top man👍

[@davidcort2857]

Fantastic video, you are a Master Craftsman, i am just a lowly Patternmaker and use the same tools, but you Sir have magical skill.

[@therealdojj]

really coming together now robin, i've seen the instagram posts with it seemingly much further along so i keep waiting for these videos to pop up

[@johnmorrissey1675]

It's not that their so tall it's that you Robin are like the rest of us avarage to small 😁😜 good video spot on 👍☘️🇮🇪👏

[@robertbamford8266]

The elusive pencil. Love to watch you make a scarf joint. But no walking on the edge of the finished timber.

[@ashleyhall4378]

Those roofing squares available to buy yet Robin?

[@intherealworld7705]

Going for the scarf joint clicks I like it 😉🌬😂

[@vincentmillard7692]

Nice to See you Teaching the next Generation, Top Job Mate.

[@ukconstruction]

Thanks Vincent

[@iantarncarpentry4285]

Ever since I’ve put braces on my tool belt my back stopped hurting too. The tool belt without braces rests on your hips and it puts yours hip onto a Anterior Pelvic Tilt and that causes stress on the lower back muscles. Really enjoyed this video, I’m so glad you take time to make these, thank you. P.S when is your square coming out for sale?

[@HandySam]

Love seeing this build and another scarf joint! Robin, try the 6.0ah High output Milwaukee 18v batteries. Meant to give 50% higher Power output vs these 5.0ah Red Lithium’s.

[@HandySam]

I would of binded/stalled my saw i think, guess thats why its called a skill saw. Probs a low battery i imagine but thought id mention it! Looking forward to the next one on the big-build!

[@TheAnimall200]

Admire you and your channel but can I just ask no scaffold no hard hats and working of ladders and trestle on polythene I fell last week two feet of roof onto scaffold and fractured shoulder

[@dabj9546]

Is it normal in the UK to have a temporary roof? I imagine it's super nice when you're dealing with all kinds of weather.

[@ericmcrae7758]

I liked the way you lowered the saw blade into the cut - excellent lesson for anyone learning. Was your apprentice watching?

[@JoshuaSHogg]

Instructions impeccable, music delectable…

[@09conrado]

What if you'd cut the ends of that scarf joint at say 80 degrees or 75 instead of 90? Wouldn't that end up pulling the ends in tighter?

[@ukconstruction]

Tried that and it makes no major difference so we keep it 90 degrees, nice question...

[@kevinbarton8036]

Propper. Tradesman. Love iy. 👍👍👍👍

[@Order-in-Chaos]

Or you can get yourself an LVL no matter how long you wish it to be... It's much, much stronger too!

[@MelbourneAlan]

you know you have a great teacher when this is your second video on this scarf joint and it is still interesting and have something to learn. could you do a video on your vicking arm . i would love to see what uses you come up with for it. just got mine today . all i can think about it is that i must buy another one,

[@ukconstruction]

Will do mate!!

[@johnwinquist6916]

I wonder if making the angle at the shoulders of the scarf joint somewhat less than 90 degrees wouldn’t lock the two pieces together better?

[@ukconstruction]

Not really John, the scarf joints main strength comes from the wedges and the long profile of the geometry, I have tried it with steeper shoulders but no real benefit, great question!!

[@kingofthetrowel1725]

Class robin 👍👍

[@amazing451]

The roof is starting to come together great and I can begin to understand it more now, however a cameraman would be an asset to your channel or just do a few close up shots to the more detailed parts yourself like how the ridge was positioned at the ends by Ollie and Ed at the start.

[@ukconstruction]

I would like to have a camera man!! In fact I have one starting to help me with my edits so watch this space!!

[@antonyporter5045]

could you put steel plates both sides of the scarf joint + bolt them all together for extra strength ??

[@TheToolnut]

No need, the less steel in a house the better. Horrible stuff 🙄

[@denty32]

2021 and no edge protection, come on Robin your better then this.

[@jonjones4987]

Brilliant video Rob 👍 For roof timber’s of that size and length what size would you use for the ashlaring wall ? Love watching your channel 👍✅👍

[@kierandoherty1600]

What is an ashlaring wall?

[@chrisgardner2597]

Loved every second of this. RC you have a great coaching style, lucky lads. Why did the saw bind quite a lot when cutting that first joint? Just curious!

[@ukconstruction]

Well I mentioned as I was setting out about the unevenness of sawn timber and also how wet it was demonstrating that as the saw runs over it may bind, also the battery was running out, I should have checked that before I cut it!!

[@JACKATTACKED]

👍

[@pgaybrooks]

Robin, do you work your rafters out mathematically (birdsmouts,, length, etc) or use a pattern? Eg if the rafter is 6x2 then we use a 4x2 to mark birdsmouth points (2/3 above plate using those 2 sections see) and transfer that onto to our 1st rafter. I prefer the 1st method but 2nd seems more foolproof in the real world....

[@ukconstruction]

Hi Pete, I am going to cover every aspect of this in future videos, keep tuned!!

[@garethstewart60]

What that jig helping hold you first rafters together I always struggle with holding them together at s5art

[@jamiehalpin9921]

Robin, how comes you choose to screw nails? What about the shearing factor or a screw opposed to a nail?

[@ukconstruction]

We use screws to safely set it all up the we nail the structure together, if you look in the time lapse you will see Ed and Ollie doing exactly that, we only use a structural screw to

[@jamiehalpin9921]

Ahhhh, thought I was missing a trick, and you'd found a screw for for the job. Thanks mate.

[@jordanchambers7478]

Couldn’t ask for a nicer pitch to have to cut for 😂

[@Djw92]

Lovely stuff. Can you recommend a good pouch and braces combo ?

[@ukconstruction]

Mine is a @diamondbacktoolbelts set up and its so strong, light and comfortable mate I really recommend these

[@TheToolnut]

Occidental Leather are the balls 👍🔨🇮🇪

[@engr810]

Pristine work

[@kierandoherty1600]

Bjorn Borg

[@johnwilliams-sc1vf]

I f I remember right a 39degree pitch gives you a 45 degree valley

[@I-am-not-a-number]

Ollie, what is that nail out you have?

[@oliversmith8077]

hey mate, the nail bag is a Taurus. Bought it in NZ.

[@ukconstruction]

childs pouch!!

[@TheChadjacobs]

What belts are you guys using?

[@ukconstruction]

These are Diamondback tool belts, they are great, super light super strong!! mine is the Miter with some other accessories such as the hammer loop, wide belt and the suspenders

[@TheChadjacobs]

@@ukconstruction thought they might be, thanks mate. Really appreciate your videos by the way, been watching for years. Keep it coming!

[@2305macleod]

What make and model of tool belt you are using?

[@ukconstruction]

This is a Diamondback and it's brilliant!!

[@deanstephens6131]

New battery at 20:54, then 🤣

[@ukconstruction]

Bang on bro!! There is nothing worse than picking up a tool and not looking at the battery level before you start filming yourself!!! Won't make that mistake again!!

[@didjwentworth5778]

What doesn’t the truss manufacturer just laminate all the LVL’s together when they’re making the trusses? Seems more logical than screwing them together.

[@najaneda]

Because it would make them too heavy to manhandle into place.

[@ukconstruction]

If you watch the episode before this one I talk about that, we had no chance of a crane here so we fix them onsite to a nailing/fixing schedule supplied by the truss manufacturer

[@ronniewilson6597]

😀👍🏻

[@bartbug1]

Great vid (love your previous Scarf Joint vid instruction) but what sort of tool belt is your mate wearing?

[@donaldtriumph1682]

The handsaw sound effect let the whole lot down……..

[@richardfriend8756]

They are not lads they are men. I’m sure we all know how good you are Robin but show us not them.

[@needaman66]

Gosh your communist saw was struggling with that scarf, shoulda bought a 54v dewalt. Sorry you couldnt afford the best 🤣

[@Michael-wm5fx]

think the battery was low tbh....

[@needaman66]

@@Michael-wm5fx mmmmk. Guessing?

[@Michael-wm5fx]

@@needaman66 Well, it's my best guess yes. I would have thought that saw should handle the cut

[@peterwooldridge7285]

Why is it a communist saw?

[@needaman66]

@@peterwooldridge7285 TTi id a hong Kong based company. All if its profits go to Hong Kong, a percentage of that goes to CCP

[@3house325]

Q: Happy? A: Yeah. I used to say: Q: Green? A: Red/Green I tend to lean towards Happy - Yeah now...

[@jeffyoung321]

Absolutely loving these more detailed videos Robin, I feel like I'm on the job site with you. Not getting paid though 🥲

[@RI-uv3lm]

Brilliant video. 👍