saveasteading Posted June 15, 2023 Share Posted June 15, 2023 My son in law currently intends a profiled metal roof on the new timber garage. It is my preferred material too but we have to watch budget and time and ease of diy. There are no planning or bco constraints. The conversion uses existing and replacement slates , and iron grey profiled sheeting, but they are apart We also used a glued rubbery sheet on a small flat area. I've done old-fashioned felt myself so would happily propose that. But there must be better, modern alternatives. Suggestions and comments please. The slope dimensions are approx 5.5m x 3.2m each of 2 slopes. The surface will be osb, but could still be ply. Link to comment Share on other sites More sharing options...
TonyT Posted June 15, 2023 Share Posted June 15, 2023 Could you forget about the ply/osb and batten out say 600mm intervals ontop of the truss and then metal sheet that? Link to comment Share on other sites More sharing options...
Big Jimbo Posted June 15, 2023 Share Posted June 15, 2023 You could always do a layer of underfelt, and then felt roof shingles as the top layer. I did it on my last big man shed. The cost was ok, and it did look nice. Might be worth costing. Link to comment Share on other sites More sharing options...
Redbeard Posted June 15, 2023 Share Posted June 15, 2023 Am I allowed to say anything about garages and marsupials? Link to comment Share on other sites More sharing options...
saveasteading Posted June 15, 2023 Author Share Posted June 15, 2023 47 minutes ago, Redbeard said: Am I allowed to say anything about garages and marsupials Well I've never refused anyone else.... Link to comment Share on other sites More sharing options...
Redbeard Posted June 15, 2023 Share Posted June 15, 2023 Title's changed - too late!! 🙂 Sorry... 1 Link to comment Share on other sites More sharing options...
Nickfromwales Posted June 15, 2023 Share Posted June 15, 2023 1 hour ago, Redbeard said: Am I allowed to say anything about garages and marsupials? Close, but no cigar. Link to comment Share on other sites More sharing options...
Iceverge Posted June 15, 2023 Share Posted June 15, 2023 Sheath with OSB. Then religiously tape all the joints. Wind and airtightness on even a garage won't be lost effort. It's really quick and easy to do externally. Breather membrane over the lot. 75*75mm purlins at 800mm centres with a good overhang ( > 500mm ) on all sides. noggins between at the gable to keep the critter out. You may need some metal strapping too to prevent wind uplift. Crinkley tin on top. Cladding on the sides. Lovely. Here's my effort earlier this year. Tin was recycled hence the wonky finish. Link to comment Share on other sites More sharing options...
SteamyTea Posted June 16, 2023 Share Posted June 16, 2023 GRP Link to comment Share on other sites More sharing options...
saveasteading Posted June 17, 2023 Author Share Posted June 17, 2023 9 hours ago, SteamyTea said: GRP Grp sheetstuck down then a painted coating? Link to comment Share on other sites More sharing options...
SteamyTea Posted June 17, 2023 Share Posted June 17, 2023 Just now, saveasteading said: Grp sheetstuck down then a painted coating? There are a number of ways it could be done. Link to comment Share on other sites More sharing options...
saveasteading Posted June 18, 2023 Author Share Posted June 18, 2023 (edited) Thanks all for rhe input. The final decision is profiled metal as originally planned. counting against that was the cost, esp for a small order. What I didn't know was that there is a supplier in inverness that rolls their own. They couldn't do the house roof because they had too flat a profile and didn't do the colour, anthracite. Now they have followed the market and they can. Rolling their own there is no waste for us to pay for. Whether delivered or collected it is 20 miles. And if any gets damaged it is easy to get more. Edited June 18, 2023 by saveasteading Link to comment Share on other sites More sharing options...
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