Making a simple flat roof structure with trimmers for a lantern or roof light

Flat roof joists including cutting and fixing to form a new flat roof joist structure that has a large opening for a new glass roof lantern
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Choosing the right flat roof joists:
Span: Consider the distance between supporting walls or beams to determine the required joist span capacity.
Load: Account for the weight of the roof covering, insulation, any stored materials, and potential snow loads.
Budget: Timber joists are generally the most cost-effective option, while open web joists and concrete joists are more expensive.
Building regulations: Ensure your chosen joists comply with relevant UK building regulations for structural safety and thermal performance.
It's always recommended to consult a qualified structural engineer or builder for advice on selecting and installing the appropriate flat roof joists for your specific project. They can help you choose the right material, size, and spacing for your joists based on your specific needs and ensure the roof structure meets all necessary safety and building code requirements.
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[@philsmoker8418]

Imagine being the builders working on next door's extension, only to see Robin and Ed rock up to do the neighbours. Pressure on! 😆

[@sygad1]

Rumour has it that Robin cut the wood so straight that the laser level switched itself off

[@ryanoldham6005]

🤣💯🤣

[@robevs100ok]

🤣

[@shandyooo]

Would love to see the rest of that build. Like you said, very popular in this country. Many of us would like to know how you approach it all.

[@wokelefty]

Never a video where I don't learn anything. Awesome content as usual. 👍

[@thedropofahat]

I'd work for you any day of the week. Your squad should feel privileged to work along side you. You clearly know your stuff... Great vid, keep em coming;)

[@lntkernow]

Rob I’m a month away from finishing my level 2, flat roof will be my final project (doing a cut with a hip atm), your vids are a massive help, cheers!

[@ukconstruction]

Hi bro, good luck with your final project!!! welcome to the brotherhood!!

[@paulward9151]

Would love to see the whole process of the roof construction as technical as possible... Is it a warm or cold roof?

[@ricos1497]

Bloody freezing. They haven't even put the insulation in.

[@paulward9151]

@@ricos1497 🤣

[@tedcopple101]

Love the firring tip. Ill teach my apprentices that at college next week!

[@ukconstruction]

Awesome!!

[@user-zu6rf9bj1h]

I was always told to do two inches to nothing on flat roofs , your four inch is much better, well done chippy 👍

[@adamuk73]

Look forward to seeing the rest of the build 👍

[@phalimmaguire6069]

Love you approach Robin , you really simplify the process and speed the job up, time is money as they say !!!

[@MK-yo4jn]

Great work. You make it look so easy. I guess with this extension, they wouldn’t get the pitch for a pitched roof!!

[@goober-ll1wx]

Robin, you and your guy's work ethic is next level, out there crushing it every day! 😎

[@jlewis1688]

I must be dreaming I'm sure I saw you do a video like this before cutting furring strips 😀

[@samposton9101]

Super work as always Robin!

[@marklawlor9355]

Great content again Robin, That’s the way I wast showed years ago by an old school carpenter back in my younger days in SouthLondon,saves time and especially if the timbers are over 16ft 😊

[@uobefm2340]

Only one man gonna build my new house! RC amazing as always..

[@DlStreamnet]

Enjoyed this thanks!

[@georgelfc1]

That firring tip has just blown me away ,i used cut full length strip corner to nothing not anymore way easier thanks

[@joejoejoe451]

Awesome carpenter/roofer

[@ukconstruction]

Thank you Joe.

[@utensil999]

Loving the format. Firings and eye opener😊

[@markdyballuk]

your work is exemplary and a joy to watch thank you for taking the time to show how work should be done. happy new year and i look forward to watching your hard work this year. 👍

[@tjarkworthmann105]

Love this basic stuff and calm videos! Great work!

[@roberteduardtecsy2527]

Absolutely Amazing !!

[@AndyCarnegie]

great tip for the fall

[@gregorymacneil2836]

Happy New Year to you and Ed! Great Video!

[@nickhickson8738]

Prefer flat roofs? And lanterns, well they give light but both are more difficult to keep water ingress over long periods unless installed by Robin et al. A pitched roof every time for me.

[@Wgnwtb]

💯

[@iestynjones5796]

Super video. Thanks for sharing your knowledge.

[@jonno946]

How you cut that ferring strip blew my mind

[@therabman_5606]

Quality as always 👍🏻

[@normanwatson9056]

superstar Clevett, you should be called Robin Clever

[@larrymurphy02]

Great tip on the firring, I have a 11x5m roof to tackle in the next couple of weeks. Am I right in thinking that you dont need to use a timber wall plate on the inner leaf of the blocks? Instead can you rest the joist on dpc and use a twist strap off the wall (at appropriate spacing) to hold the roof down

[@fardastevie2827]

hi robin hope all goes well well for 2024 ....i just love how you weigh up your jobs cut everything to pre assemble ....just one thing to speed up your work ..get yourself an inpact driver ..put your rachet socket to rest 😂😂

[@ukconstruction]

I have one but I like to feel that the bolts have bitten correctly and if these over tighten then they can explode or crack the brick, hope all goes well for you to this year Stevie, thanks for watching

[@fardastevie2827]

your welcome robin as i say i always watch and have learned alot from you im glad you liked the little banter lol

[@fardastevie2827]

you know it makes sense

[@anthony3097]

What is the hilti saw like compared to the milwaukee fuel? I get excited when my tools break because i get to buy a new one, but my milwaukee tools just wont budge.

[@jofasable]

Thank you 🙋‍♂

[@Wairoakid]

Great information. Quality work Love the music. Ed's choice or KZbin's algorithm?

[@ukconstruction]

Bit of both!!!

[@logik100.0]

Better muted due to the choice of music

[@elliejake11]

I like the idea of putting the hangers on first, I end up spiking a couple nails through the joists to the wall plate then putting the hangers round after, but then it means being on a ladder putting twist nails in. I’d be interested to see your way of pitching off behind the lantern, I tend to cut a furring piece like a valley rafter and send it to the corner of the lantern. Thanks for the share always learning 👍

[@dazunieruchomosci]

Hi, how did you close cavity wall?

[@markb1971]

Did you set out for ply or plasterboard ? I wish the uk would make its mind up 😂

[@nZebco]

Hello Robin, Hikoki circular saw no longer good or Hilti is better? Great video as per usual.

[@antonyporter5045]

great video cheers

[@garvielloken3929]

Nooice!

[@DICEGEORGE]

Is the double beam at 4:45 just nailed into one of the triples ? If so whats the point of having a triple? Or will there be a longer supporting beam above the double?

[@hamzahmohammed2402]

How do you create a run off for the water between lantern and house wall?

[@Wgnwtb]

Bump

[@barksdaleb4159]

Could somebody please answer

[@nigelscott1922]

The hangers on the back plate are taking a lot of weight do you need special hangers?

[@martindorrance8133]

Robin, why not get rid of that terrible rough cast?

[@user-ux7fm1ek3x]

When will the hinge jig be back in stock

[@DICEGEORGE]

My roof is going to be EPDM, OSB, Kingspan wrapped in vapour barrier plastic , OSB, Beams but if I screw through the top to the beams to hold it down every screw will pierce the vapour barrier .... worrying ...

[@lewisbrotherscarpentry]

😍

[@ukconstruction]

Hi bro!! Good to see you in the comments

[@mjg6966]

What’s the point of the music.

[@ricos1497]

I believe you were supposed to start dancing. The fact that the music was absolutely shite was a little prohibitive in that regard however.

[@chriscardwell3495]

Robin you could have a job for life, just fixing flat roofs . . .

[@h2ouxb]

💪👍

[@djhago3123]

Isn't the placement nailer a great invention... ive got a pneumatic one.. its a great bit of kit definitely saves you beating the finger nails off 😂😂

[@davidosullivan3432]

more details please vid should have been 20minutes

[@DICEGEORGE]

This took about 8 months, not 8 minutes !

[@ColinDH12345]

Out of interest, rather than using long furing strips, why don't you just tilt the joist by a small angle. PS not a builder ;-)

[@karl212]

Because the ceiling wouldnt be leval inside if you tilted the joist

[@MrGlenfraser]

Yeah I just had an upper extension on the old ground floor one and the whole roof had to come off because it was not level as they tilted the joist.

[@mc1703]

Can have sloped joists but just need firrings above the plasterboard... Flat with firrings on top is easier.

[@DICEGEORGE]

im having a sloping osb ceiling in my extension, showing the joists underneath it because the osb and kingspan will be above it. Looks good, and honest to the slope of the roof.

[@ColinDH12345]

@@DICEGEORGE Agreed. That's what I did but then it's an old house with 'character' so a sloping ceiling doesn't matter. I think we are a bit obsessed with level ceilings.

[@KRAMPUS1933]

Diese Musik ist schrecklich!! Wie gehts Robin??

[@nickhickson8738]

Ich stimme zu dir.

[@anychance5498]

Good to see you working back on everyday projects Robin, most decent chippies would prefer to work on 1st class jobs with huge budgets but as you know, life isn't like that mate. Good experience for 2 mt Edd too. I've retired now enjoy watching you and maybe 3 other carpenter/joiners doing the job properly. I am so embarrassed I didn't know the firring trick!

[@smellynelly312]

Great work horrible song