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Garden Room Build - Week 18: Ep 31: Installing insulated roof panels on a garden room
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- Опубліковано 22 жов 2021
- This is the first day of two getting the roof on. The insulated panels are from Kingspan panels online and are 4.2m long and cover 1m when lapped, they are 80mm thick on the flat and 115mm on the crown. They are fitted onto a double layer of foam tape on the crown plate then screwed through to the crown plate on every crown on the panel using self drilling tek screws with an integral washer. each panel is the stich screwed together with shorter tek screws, again with an integral washer. Enjoy!
Great video. Good to see our panels in action 👍
Thanks! Glad you found it! I have had quite a few comments about them now, it's one of my most popular videos! Thanks for watching and for the comment!
Really wish I’d realised this existed when I did my garden room. Might use them for garage, only challenge is it’s very visible and looks a bit industrial for rhe area…
There do look a bit industrial, luckily where mine is you only really see it from upstairs on an angle so not much of it. I am hoping they will last a long time, they are pretty substantial. From ground level they look ok as they are hidden by the fascias. Thanks for watching and the comment!
i used these on a workshop build recently, they are pretty heavy , but a few hands get them up and the roof goes on so quick with no faffing around with rafters and seperate insulation. wish id used them a few years ago. pricey but considering the cost of rafters and insulation seperately not that pricey, the biggest advantage is getting the building dry quickly in an unpredictable climate.
Thanks Kevin, I could have done with a few hands!
ahh, I got there eventually ;) Perhaps a bit overkill for my build, but certainly interesting nevertheless.
The big issue I have is that I need a door in the rear of the building that backs onto a lane. I have spec'ed up a steel door (just in case) and the roof slope on these would not allow a usable door height.
What watching these video has helped with the trying to understand the forethought of all the knock-on effects that happen.
Actually, Kingspan appear to offer a low pitch variant - www.kingspan.com/gb/en-gb/products/insulated-panel-systems/insulated-roof-panels/lo-pitch-roof-panel-ks1000-lp. More investigation needed. Unfortuanley, these are not available from www.insulatedpanelstore.co.uk/ (which redirects from Kingspanpanelsonline.co.uk).
Glad you are finding them helpful! It is like a big jigsaw, but one you are designing as you go. I went with these for ease really, and they are only 80mm thick, though 115 on the peaks. Though the ceiling underneath has been a bit of a pain. I think the rubber roofs can be flatter, some people online seem to only have a degree or two, and the plasterboard will fix direct to the timber underneath. Good luck with yours, hope you work out a solution for the steel door.
Great videos. How did you get the panels lowered onto the rubber tape without it all getting scrunched up. Did it take 2 people?
Hi Joe, thanks, glad you like watching! It would be alot easier with two. I managed pretty much on my own by sliding them inside then lifting onto the back wall, then up on a support, then pulling onto front wall. The foam tape did get a bit scrunched on some but once in place I lifted the panel and smoothed the tape down and that seemed fine, so manageable with one, but it would be quicker and easier with two! Thanks
Great videos! Did you have to do the cut-back for the drip-edge yourself? Or was this done by the supplier?
Thanks! It was in there already, done by the supplier, that was actually one of the reasons I went for these Kingspan ones over the others. Thanks for watching and the comment!
Great videos!! What size cut back did you have here please?
Thanks! The insulation is cut back 75mm, they come like that, I got mine from: here www.insulatedpanelstore.co.uk/our-products/insulated-roof-panels/trapezoidal-roof-panel/#/27-depth-80/35-color-anthracite/36-length-42
I'm in the process of ordering this system. But the sticky foam you've used to stick on the wooden frame they only supply double sided, what brand did you go for in your project.
Hi Alex,
Mine was from Kingspanpanelsonline.co.uk they sell the foam on there. Good luck with it!
Did you have to screw the panels to the side walls too, or just through the peaks front and back, so only 6 fixings per sheet? I’ve installed mine using your incredibly helpful video but I find it strange that the first and last panels don’t attach to the side walls. My side walls don’t happen to align with a peak so I’d need to screw through the flat part of the panel where the rain flows which may cause more harm than good.
Thanks for this video and all the others in the series. I’ve used your tips a lot.
Hey, thanks for the comment much appreciated, glad the videos were useful, I actually need to post a round up video! I am in the garden room now writing this! On your question: I thought the same, and although the diagram I looked at from Kingspan didn't have them on the side I did fix through the panels in the the side walls. I just thought, same as you it would be better to tie it all together. I was lucky and one wall did coincide exactly with a peak, the other one I just went through the flat part. But its now a good year since I have had them up and no issues with water anywhere. The rubber washer on the fixings are doing the job. Good luck with yours!
Hi, I’ve got my Kinspan panels now ready to go, still working out the fall from back to front, did you use a 4 degree fall or slightly less, hard to see in the video, my panels are 3.6m long?
Hi there, I did go with the 4 degrees, mine slopes down from the front to the back. Good luck with it!
Hey fella, enjoying the series and I switched to Kingspan roof panels after being badly let down by another panel supplier, delivered in 5 days!
Anyway, did you find any instructions anywhere? where the panels overlap there is a grey bead of rubber, but did you any anything else, or do anything else at the overlaps? I've seen other people (restoration couple) using mastic tape/.
Hey Mark, thanks glad you are enjoying it. No I didn't find any instructions, I just followed that picture on the panels page of the Kingspan panels site. I wondered the same on the join so called them and they said, no dont add anything there. They said the rubber will form seal when fixed with stitcher screws. I did see restoration couples videos and I think they got panels from Panelcell so not sure if they were all Kingspan. I have had them up now for about 2 months, some heavy rain and wind and no leaks so far! Only issue I found is getting them to sit totally flat, on the overlap I found the one on top not fully locating with the one it overlaps. I think would be easier with two people up ladders. I thought they would pull down when screwed through, which they did a bit. But you can't overtighten the screws or the washer deforms. So look out for that. Good luck with them!
@@FatManBuilds Thanks for the response, much appreciated.
Hi can I ask are roof panels ridged enough that they don’t need any support other than resting on the 4 walls, even at over 4 meters.
Hi there, check out www.insulatedpanelstore.co.uk/quadcore-ks1000rw-roof-panel-anthracite the spec sheets give the unsupported spans. My walls are about 3.5m centre to centre and they have been fine, I used them 4.2m panels. thanks!
Where did you get those long roof screws
They were from Kingspan Panels online. Same place I got the roof panels. Thanks for watching!
So are these insulated roof panels basically all you are going to put on as a roof? DO you not need some more structure in there? I can't imagine they're strong enough to withstand a lot of snow? I really appreicate these videos, it's very helpful to see someone walking me through it - and I'm beginning to realise just what a committment I'm about to take on...
Hey MrGelth, thanks for watching, and the comments. The panels look lightweight in the video as we were moving them on rollers, but they are quite substantial, about 45kg each. They are PIR sandwiched, glued, between two sheets of profiled steel. They are very stiff. They are the same panels they use on industrial buildings like the Amazon warehouses, with bigger spans than I have. I have them up on the roof now and screwed through to the 4 walls, and I was walking around on them yesterday and I couldn't feel any deflection. There was a very small bounce before I fixed them to the walls, and to each other, but with the fixings it feels rock solid. The build overall has been a commitment! I am probably about 12 weekends of actual build so far, probably about half of that both days. And I now have a week off work so am getting stuck in! Hopefully I am more than halfway by now! Good luck with yours, it does seem daunting but each day a little bit more gets done!
@@FatManBuilds Thanks for that - they are a potential game changer in terms of building a roof. I've lots of questions, eg how you get lights in the ceiling etc, but I'll wait for the videos rather than bombard you! Thanks for doing this, all very helpful.
@@MrGelth Yes I think so, there are a few places to get them. I got mine form Kingspan but Panelsell also have a similar product. For the ceiling I am planning the white under side of the panels in the workshop, so will put surface mounted LED panels in there. For the office/summerhouse side I am planning double battens, tek screwed to the underside of the panel, and plasterboard so I have depth for downlighters. Will definitely put a video up on that when I get to it. Thanks!
@@MrGelth Look at Oakwood garden office videos. He shows a way of installing downlights using these panels.
@@joegriffin5851 Thanks Joe, will have a look.
What's the size of your unit. Looking at ordering a roof like yours but worried about the span, we are 4m x 6m ,
I've been told 2.7max but others say it's fine at 4m etc
Cheers
Hi Antony, I have the 4.2m panels, with about 40cm overhang at the front and about 20cm at the back. outside wall to outside wall is 3.6m internal span is about 3.3m and it is fine, no flex, it moves a tiny bit when I walk on it but thats it. They seem solid at that span. Thanks for comment!
Magic
Just ordered the roof, what's the plans for the finish, plaster or leaving. .
@@antonyhawkridge8202 I am going for plasterboard in the office side and leaving as is in the workshop side. I probably would have left the office side too but her indoors didn't really like that industrial look!
At 9:00 mins into the video what is the "one sided sticky tape" actually called and where can I buy it ? Appreciate the video by the way 😀
Is it UPVC foam tape roll ?
Thanks! Its the pvc-foam-tape, I got it here, its now called the Insulated Panel Store, but its Kingspan behind the site. www.insulatedpanelstore.co.uk/our-products/building-tools-accessories/pvc-foam-tape/ Hope that helps!
@@FatManBuilds thanks for your prompt reply :) much appreciated 👍
Are you sure the wooden lintel over the door opening isn't going to move , I would have used a steel beam or hollow section
Hi Brian, thanks for watching and the comment. I did consider a steel, and the hollow box section steel. But in the end I wanted to keep it all wood. The wooden lintel is an engineered Glulam beam. It's 266mm tall by 115mm wide and manufactured from 6, almost, 2 x 5s glued and pressed together in the factory. Its very strong I have swung off of and there is no deflection. I was also walking around on the roof today and no movement. It weighs 56kgs, Thanks.
@@FatManBuilds ok I didn't notice at as an engineered beam as you say that should be fine, we use a lot of c24 timber in farm building construction these are supposed to be stress graded but still the odd one can catch you out and move a fair bit ,The composite roof sheets are an excellent choice and saves a lot on timbers for the roof I am sure they will out last anything else out you could have chosen
@@briangadsby6653 Thanks, I hope so! It was also pretty quick got the whole roof up in probably 8 hours in all, over two days. 10 mins after I finished it poured down and dry inside so far. Thanks
@@FatManBuilds thats plenty strong enough.
Oh wow. Not epdm! Good choice?
So far so good, I went for these as there are alot of trees around that drop leaves and pine needles, and I think it would just build up on epdm. I am hoping with these being metal they will be easier to maintain. Plus its a warm roof in one, insulation built in!
Hi again (but also sorry for buggin). I was struggling to see the exact dimension of your build on your plans (around 0:34 in Week 13: Ep 19 - ua-cam.com/video/MFZzvfA8YSE/v-deo.html). It would be interesting to know what your calculated overall dimensions were, such as the overall height to the front eves and rear of the wall. Your roof span is smaller (I think) than that which I would like to achieve.
If the Low Pitch Kingspan product isn't super ridiculously expensive and is usable in this type of installation, then I belive I can get away with either a 1.5 deg roof pitch based on my current dimensions (although these currently uses nominal sized timbers and traditional roof joists, perhaps 125 x 100 to ensure the span is achievable).
Overall internal height I have 2,350mm at the front and 2,100mm at the back the 250mm difference gives me the 4 degree over the 3.6m depth of the building. Its 7.6m wide.
The 2,100 is still not too bad, it doesn't feel low as it slopes up towards the front
@@FatManBuilds awesome, thanks. I need refine my sketch up plan so see how this works out. I have a slightly wider room, so lower rear wall. The shortest door I can get is 1860, and a simple double 125 x 50 header, although I have some flat steel so could throw in a flitch beam header. With the top plate, it might be close.
Still, that gives me something to shoot at. I must admit, I have almost 100% switched in the last day or two to the idea of using the Kingspan product, it might just need to be installed with a non supported pitch.
Once again, many thanks and keep it up.
I wonder when you started this video blog, if you thought anyone would ever binge watch what you produced..... 🤔
@@sinin70 Ha! thanks!, not really, I still wonder if anyone is watching now!!! Thanks for watching and commenting! makes it worth while doing! Good luck with yours, let me know how you get on!
fell asleep
Ha! well at least it can serve a purpose!!!