How to Support a Load-Bearing Wall When Knocking Through

j-strut.com ◾ J-STRUT is a temporary steel prop that height adjusts safely, quickly and effortlessly using a cordless impact wrench.
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Roger revisits Meadvale Builders to help support a load-bearing wall for a room knock-through.
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[@PeterAshworth-t9v]

Roger, I am a Chartered Architect, age 83, and work with builders like you, they are time served craftsmen and we are all friends and agree that your videos are first class and a great benefit to the building industry. Keep up the good work, we all appreciate it.

[@henryblicharz5556]

This is a Stupid OverBuilt that Only an inflated Engineer would suggest!

[@Dave5843-d9m]

Better that than the alternative.

[@joeclifford4953]

That video is priceless. Totally how to do it with sketchy wobbly steps. We all appreciate the honesty. Great job well done and a lifetime of experience

[@robertmawby3021]

Health and Safety nightmare! 😂

[@danielwoods621]

Yeah, this is just the reality.

[@Fester_]

" It's his channel, just do as he says ". Looked like fun, it was fun watching others do it.

[@ipv6tf2]

the ladder acrobatics are a lot more entertaining than cirque du soleil

[@henryblicharz5556]

Better than Bert and Laurel!

[@jonp6798]

“I’ll go to the second hand shop later”. Classic 😂

[@SabretoothBarnacle]

So many chuckle brother moments

[@jonesconrad1]

Roger on fire with the banter today.

[@Tenoct91]

He's not Roger, He's Stroppon!

[@nogy1963]

Real world, nothing fancy just experience and wobbly ladders.

[@proppaltv1678]

Great to see J-Strut props in action. 👍

[@RR-mt2wp]

All that was missing was Charlie Drake and Tommy Copper. Great video Roger you'd be glad to get them in place. Happy job.

[@nectafarious8842]

Who's Tommy Copper? An army policeman?

[@TooMuchInfoSir]

Great banta in this video 😂 A Roger podcast episode with a structural engineer would be a good one! What considerations are made? Span vs Steel? Underpinning vs box frames? Etc.

[@disklamer]

Good stuff always. I can’t believe the state at 7:40 though, if the idea is to be safety conscious we are missing a few spots here. Always have two feet standing on a steady platform that is big enough and has secured edges, with your weight centered, don’t reach outside of your supported range, use lateral support e.g. ladder bar and fall prevention, have the right height for your work so you don't have to stoop or reach, secure your hoist/load so it can not go anywhere unless you tell it to, never step around a support, let alone off your secured platform, do not use household ladders but only certified/rated material, use proper PPE, only use certified/rated hoisting materials, and don't knock out struts with your backside. On another note, do the structural work before you build out, so you have all the space you need to set up a lift and get those beams in there without fighting the small space, and you are certain of your main structure before you start building around that.

[@jonathanpike5879]

Great work lads reminds me off the Surrey Builder I use to work for as an apprentice carpenter back in 80s always had a crack

[@eddjordan2399]

done 100s of steels and its just what you can do at the time. it isn't always simple. great work. don't listen to the people in the comments. ps i have found acros boxed into walls before! cowboys Ted!

[@keithwebb658]

Sorry Roger , I know you were a guest on this job and had no say in safe working practices but this was an accident waiting to happen.glad you all went home safe that night.

[@SkillBuilder]

I don't think anyone was put in danger at any point but you tell me.

[@jamiefors5062]

Always one...smh

[@geoffm9944]

A very tough job. Great team work and lots of heavy lifting. Not a job if you have a bad back or a dodgy shoulder. This video is about real physical and skilled team work which would be way beyond the ability of many men. These blokes thoroughly deserve every pound they get.

[@LawrenceTimme]

Very helpful video as my kitchen extension has a very small gap, the same width as the old kitchen window, and I want to make it wider to get more light in the dining room. I'll have to prop the wall up while they put the steel in like this.

[@pabdonthegreat5685]

Rog looks f’ing wired in the introduction 🤣 great vid as always

[@ena6631]

Impressive, safety first - hard hat and toe protection. Well done.

[@Cornflakekid]

Haven't you guys heard of a genie? How none of you didn't fall of those ladders I don't know! Rog, you were pretty close to coming a cropper around the 8 minute mark. This is an example of how NOT to do things. Love your videos mate so please don't hurt yourself!

[@naim19711]

He's got a hard hat on

[@Cornflakekid]

As opposed to a Hat hard on.... Courtesy of Alan Partridge. @@naim19711

[@Mrbushy07]

😂​@@naim19711

[@antonyporter5045]

@@naim19711 HSE lol

[@zfid]

​@naim19711 he's got a hard what?

[@DavidHowellsBuilders]

Great video Roger. I do like those fancy acrows. 👍

[@keithkench9432]

Good old school builders.

[@orlandostead8703]

All you need is the chuckle bros to lend a helping hand...😂

[@SabretoothBarnacle]

I'll give this a bash this evening

[@James-dv1df]

Yea me too 😂

[@bordersw1239]

Make sure you have a couple of beers first.

[@jimbodimbo981]

Yeah, one man job, indeed me missus could do that

[@TYLERCONSTRUCTION]

That was comedy gold 😂😂. Cheers Rodger

[@hoobsgroove]

what you can do with the I beam is if you get some u-shaped metal or making out of some wood so you can slide the eye beam into it it only needs to be 35,mm tall and fix that to the acrow, then you could have one either side on ground level place the beam on the two you don't need three and with a drill raise up the beam and then when you get to your point just tilt it forward it should just drop in nicely if you haven't cocked it up😊

[@martyc5674]

Those straps look very similar to a set I have- I wouldn’t rely on it to hold that RSJ- must have been near its limit- that thing slips and 😢. Good idea though but stronger straps needed.

[@Ultimate-roofing-square.]

Pete Tong …. Love it Roger.

[@DavidAspden]

The steps shook him like ACDC.... priceless.

[@19501960]

My builder friends, I have a three storey house, was wanting to put extension and bust through like this. Would this technique hold up 3 storey of brick,timber and a roof ? One builder told me it wasn’t worth it for just a 4x3 meter extension?? Advice appreciated.

[@michaeldornan4338]

Heath and safety will love you 😮

[@stepheno2462]

Any chance you can do a video series on different methods for extensions. Timber frame, sip panels, block, air Crete. Would be great

[@peady64]

We Yankee Americans love Skill Builder!!!

[@johnshort1536]

Brings back memories how we used to do things, bit of brain and a lot of muscle. Keeping things real. Happy days. Elf and safety , what’s that then? 🤣😂

[@christinebeynon9967]

I was watching the guy standing on the long plank without support on the overhanging part 😮

[@antsmith8588]

Strop Balls and Sausage Fingers 😂😂😂 Love it.... Great video....

[@RATHER5KEPTICAL]

I have a 200 year old cottage with 1ft thick solid stone walls. Does this add to the complexoty of the job when knocking through and install a steel for bifold door?

[@jonwilmot5331]

So the question for me is; how tight do you go with the jacks? There is a risk of over jacking and lifting. Thanks.

[@hewoguys2506]

what i like about this video the most is that its the real world if we dont have a platform fuck it we can just stand on trellis and dodgy ladders lol HS will be using this video in training for not what to do lol😂😂

[@tonyjustice4554]

Top job lads, but usually is it not blur slate you pack up with?

[@robertstainforth6890]

Steps looked wobbly

[@timbramm4650]

Those "Second-Hand Shops" must come in so handy for the building trade..... Especially in Knock through season🤣😂🤣😂

[@SaltyMcSchmacks]

mountain goats these lads!

[@petercullen8067]

Is a good idea to pack it with slate here and there before the compo added ?

[@johncranna]

you would either use slates or a dry pack mix as used but not both!

[@SteveAndAlexBuild]

We hate those tubes 😫. We use a nut and washer on each side of each upright so they are clamped solid but are easily adjusted 👌🏼😉🧱👍🏽

[@ethenolRiCH]

great video

[@Octocoupler]

Great job

[@Dave5843-d9m]

When I did a similar job in my house I had planned to prop the floor joists. Unfortunately the builder had left air gaps above every joist end. Major hassle that was.

[@gaz5eeeee]

Roger… I thought I’d accidentally clicked on an old YMCA video at the start of this vid!!😂

[@loafersheffield]

I'm getting the words.. Precarious and chuckle brothers.

[@Kx110x]

Might course one or two raised eyebrows but it’s pretty much the real world of domestic work . The. Old trap ends can catch the unweary , but all in all a successful mission . Did anyone else spot the quality of the original brickwork , the soldiers were definitely on parade when they were put in . Kind regards as always .😀👍

[@brianmatthews232]

Props to Jolly Roger 😀

[@mikebryan544]

Suppose you could have a frame sat on the props and chain block beam up. Just thinking i’ll be doing this on my own next year with a mate to help, cheer good vid

[@lazylad8544]

Ranting Rodger having a stropp....NEVER. Good job for three old guys.👍👍

[@Kmobful]

been using torque straps recently instead of ratchet. Take a lot of work out of it.

[@SkillBuilder]

Thank you so much. I have never used them but , having looked at how they work I am getting some, They would have made this job really easy.

[@alanc1406]

How do you know how much to tighten the acro props. Is there a torque setting or do you keep pressing the trigger til it turns no more?.

[@SkillBuilder]

You tighten them enough to be firm but not enough that you start lifing the building, If you kept going with that impact wrench it could start to lift something or bend the tongue on the Strongboy

[@alanc1406]

@@SkillBuilder will you research that one for me Roger

[@davidreilly1031]

Which doughnut laid the new steels on top of the electrical extension lead? That could give someone a nasty surprise if the insulation breaks down just as they go to lift the steel! As an electrician, I see builders being careless with electric all the time, extension leads get so much abuse with aggregates puncturing cable insulation. As the years go on there are fewer and fewer properties with old rewireable fuse boards, which means by the time neglected extension leads are plugged into old unprotected installations, the chances are the builders won't be old enough to have the experience to know the dangers. Some younger labourer will get electrocuted.

[@TheBadgolferman]

Lifting steels off a step ladder! My old boss used to do that until it almost crushed his head when he went flying off the steps. You old schoolers need a talking too! Lol.

[@peep39]

don't show roger's ladder work to health & safety 😂good work chaps

[@JoeCHA136]

Why does the prop move at 14:03 😂😂

[@edg4246]

you mean 13:50? :))

[@Chanesmyname]

Those guys! No hard hats and no protective glasses, they take a chance, bonkers! 😮

[@stevehensonuk]

This is fantastic - I could never work out how you get the bricks out and lintel in without the whole wall coming down. But yeah - duh - support above the lintel area. Sometimes I wonder about my own IQ....

[@alanc1406]

And how did builder (A) stop the mortar coming out the other side. Didi he use his finger or special tool?

[@SkillBuilder]

He held a piece of slate up between the steels

[@alanc1406]

@@SkillBuilder genius

[@boriss.861]

Rog! You should think about a career in the Media as a side hustle!

[@SkillBuilder]

I did loads of tele and radio but that was over 20 years ago. I much prefer KZbin because I am my own boss.

[@plummetplum]

Why no needles Roger ?

[@SkillBuilder]

The floor joists on the inside are supporting the inner skin. The side you can see is supported by the strong boys so the wall is supported. You can needle through and pick up both skins but you would have to knock blocks out from the internal skin . From memory I think there might also have been some heating pipes in the way.

[@plummetplum]

@@SkillBuilder Thanks Roger. My partner is about to have a steel installed at the end wall of her house. Typical L shaped victoria house, so the very end, garden side, about 2-3m wide. The builder has installed four acros and strong boys and she's developed cracks upstairs. Oddly enough the old steel that's being removed had a 4x2 on top of it supporting the inner part of the 9" wall. Any ideas what may have gone wrong here. The builder wants to keep the wood in place as the floor joists are connected to it, should we try and remove the wood before installing new steel?

[@plummetplum]

@@SkillBuilder Thanks Roger. My partner is about to have a steel installed at the end wall of her house. Typical L shaped victorian house, so the very end, garden side, about 2-3m wide. The builder has installed four acros and strong boys and she's developed cracks upstairs. Oddly enough the old steel that's being removed had a 4x2 on top of it supporting the inner part of the 9" wall. Any ideas what may have gone wrong here. The builder wants to keep the wood in place as the floor joists are connected to it, should we try and remove the wood before installing new steel?

[@SkillBuilder]

@@plummetplum I am afraid that with a bit of bashing about some minor cracks can occur. I would leave that timber under those floor joists. It is dry and won't shrink so there is no risk in leaving it in. So long as the steel is dry backed and wedged to the masonry it should be fine. I often manage to wind cracks back up.

[@plummetplum]

@SkillBuilder Brilliant advice, just in time. I'll pass it on thanks Roger.

[@hewoguys2506]

should u have a board underneath the acro on the side of the strong boy

[@SkillBuilder]

It is a new concrete oversite. It has cured for well over a month. Boards would do not harm but the load on each acrow is not much.

[@theeventhorizon-valebridge9512]

HSE and kittens springs to mind!

[@deanofakesie8153]

Weve all done it 😅 You know what i mean

[@antonyporter5045]

dry pack the steel with slate (eg) , then fill with mortar

[@SkillBuilder]

No the building inspectors don't like slate. That is a Welsh thing

[@paulharwood6864]

I always dry packed non shrink grout. Structural Engineers use to specify the stuff.

[@richardjones3112]

@@paulharwood6864Do you have the name of that product please?

[@SkillBuilder]

@@paulharwood6864 Yes we use epoxy grout. Non shrink

[@squidlings]

Leaving the full weight of the steel on that ratchet seemed a bit scetch but you got away with it 😅

[@mrdogger2010]

HSE would have kittens watching you 3 clowns lift those steels up like that , all 3 of you are lucky nobody got hurt

[@Jason-gd4qr]

Speaking to a structural engineer and there is a theory that you shouldn't bolt the beams together. Reason why is people overnighten and the beams sit out of square. Post edit I have just noticed that these are separated..

[@johncranna]

Well I'm a structural engineer and I have no idea what those bolts with spacers are supposed to do. They certainly do NOT share load of they are unequal!!

[@LudwigHohlwein1776]

That wobbly step ladder move had me a bit nervous. I know building always involves a bit of risk but that's a silly lift, bud.

[@DerekTJ]

The hardhat segment 😅

[@stephenreynolds1348]

Love your stuff but this video is a classic for how not to do things - it's like watching laurel, hardy and their best mate 😳

[@markellwood4132]

If in doubt, double up in steel. Structural engineers get paid the big money.

[@accesszero4803]

This is the build game down to a t 😂

[@burwoodbuild]

Maybe take some extra hard hats👷🏻in future Rog 👍🏼 Never too late to educate even time served experienced builders. A serious bump to the head could ruin a retirement. 🤕

[@SkillBuilder]

I had five spare hard hats in the van. I always take them with me because very few small builders have one. I can't force anyone to do anything. It is hard enough finding people willing to be filmed without me trying to lay down the law, not that it is a law unless you are riding a motorbike.

[@burwoodbuild]

Totally understand Roger… Only made the comment because I don’t want to see anyone get injured. complacency is the biggest danger on a building site.👍🏼😉

[@Giant.Iain171]

What happened to this being ‘Skillbuilder’ channel? This is a H&S joke. I can’t believe you posted this video!

[@nectafarious8842]

Yes - it's a real eye opener isn't it? I think Roger will be having second thoughts right now 🥴

[@lessismore83009]

Starts off with wear a hardhat😂 wow h&s at its best 😂😂

[@Gingert0sser]

No safety glasses whilst smacking bricks out !!!!;

[@denty32]

I think that’s the least of the worries on this one mate

[@johncranna]

Oh dear, Roger. Really - structural engineers double them up! Well of course - because it's a cavity wall!! An you know I'm a structural engineer!

[@SkillBuilder]

Hi John It was a joke. You do double up and obviously the two steels are for the two skins but we are having some fun here while making a point.

[@johncranna]

@SkillBuilder joke accepted!! I thought you did a great job in spite of people moaning about your health and safety. What do you think thode bolts and spacers do? My steel design program spews out the need for bolts with spacers which I can't override. If they are meant to share unequal load between the two beams then I don't think there is any way that they can do that. The only way is to have a stiff plate on top of the two beams. Ps if you ever want to do a video chat about steel beams in buildings then I'm up for it.

[@dougsaunders8109]

Stroppy nuts and sausage fingers sounds like a law firm to me

[@Guvnor100]

All these know it alls in here. Make you laugh. There's 120 years of experience in that video and they've all made it that far. Tiny little steels and everyone wants to close the road off and get in the cranes! I know I exaggerate, but so do most of you with your comments. Everyone wants everyone to go home at the end of the day and they know how these things work. You'd all get a shock at the quote when builders charge you for all the usually unnecessary hse implimentation.

[@SkillBuilder]

Guvnor Apart from the fact that we would have to make up the floor height and knock down the wall to get a Genie in, we thought these steels are so small that we could bump them up with four blokes. As it was one of the blokes didn't show up so we bumped them up in the time honoured fashion. The ratchet straps were there to give us a little break in between the lifts. It worked, nobody died and, you are right the price was not crazy.

[@Guvnor100]

@@SkillBuilder I hope the no show bloke had a solid excuse. Unfortunately you are trying to educate the know everything mob half the time you put out these instructional videos. I'm sure they can find the glitzy videos with horrible background music created in a studio, but you represented what most people have in the rear of their houses, a real life working build. These occur every day, all over the country in pretty much the exact way you showed it happening. I'm surprised the news isn't constantly ringing from all the dead and maimed builders this country must be suffering. Mostly these naysayers just give people who have these works happening anxiety, as they no doubt see exactly this happening in their homes, they must be nervous wrecks after reading the comments. Anyway, keep up the good work, I always watch you to see if I can pick up any tricks. I'd love to see the finish your mates have when they're finished with the extension. All the best.

[@worldadventureman]

Wears a hardhat, but works off the crappiest ladders ever. LOL

[@colinmiles1052]

Three old farts in perfect harmony! Love it!

[@mrdogger2010]

NO SLATE for dry packing either Did you say they are called Roy Rodgers builders ???

[@antonyporter5045]

well said

[@markatchison9974]

I couldn't walk away without slate packing an RSJ. Schoolboy error.

[@nickhaley4663]

Wrong again I’m afraid. Normal spec for install of steels is to dry pack with a strong dry mix of sharp sand and cement. Doesn’t need slate. You might use slate if you need to get the props out before the sand and cement goes off.

[@howardosborne8647]

Could only be better if it was a Laurel & Hardy sketch 🤣

[@charliespence5962]

With this being paid product placement it should be made clear at the start of the video.

[@SkillBuilder]

Hi Charlie Thanks for the comment. We follow the rules. This is not a paid promotion and neither are they gifts. This is us trialling a product with complete freedom to say what we like about it. If we flagged it as paid promotion that would give the impression that we were being influenced. I think KZbin could help by making some clear catergories rather than paid or not paid.

[@charliespence5962]

@@SkillBuilder Fair enough

[@mikebolt9753]

Cool

[@fireblaster9961]

How funny to see him not doing it exactly as it’s written in the text book and in a perfect world.....health and safety at its finest

[@petemoring67]

Hey Roger .... How many Yeeeears have you been working 'without' a hard-hat quite safely?? ... And How Looong was it before you noticed that one had fell OFF on this job?? 😂🤣😂. ......... Health&Safety - Just ANOTHER Stealth-Tax on the Construction Industry & Self-Employed in particular .... MeThinks 🤠

[@WhiteManInAVan]

Wheres your back supports or the exosuit?? Also lifting with the back? Thats not right 😂

[@JoshyEnglish]

Roger was a bit stroppy at the start, and then got nutty at the end.

[@twincamtim]

Ooh Roger, those step ladders..........🙄

[@kenelliott3022]

Did they not even pack it up??

[@SkillBuilder]

you don't need to pack it. The idea of driving slate wedges in at various points is not something our building inspectors like to see. For a start slate is rarely wedge shaped so what are you actually doing?

[@kenelliott3022]

@SkillBuilder it's usualy stated on the structural calculations to be packed with steel shims or slate. This is a new build but older masonry will drop eventually and no amount of packed in mortar will stop it

[@SkillBuilder]

@@kenelliott3022I don't understand how old masonry will drop or how packing with slate stops it. There is no movement between the steel and the first course of bricks. Slate are not wedges so you are driving in slate which probably crushes to dust. This dry pack mortar does the job and gives even support. The Building Inspector doesn't want slate and neither did the structural engineer.

[@oceansbuilding]

Talk about health and safety and budge jobs and and there they are standing on top edge of bandstand and standing top edge of the ladder lifting a steel how safe is that not impressed

[@al-azimahmed1188]

House bashing at its best, plenty of space to use a genie to be honest

[@AC-gm6bq]

Its a wonder he didnt hire one from hilti! Lol

[@jhumphrey1976]

Everything moves by 10mm...