Vijay Posted July 18, 2023 Share Posted July 18, 2023 Afternoon guys, Got to replace my garage roof and looking for suggestions of a cheap DIY solution. I believe it's asbestos, so will be looking into that being taken down and disposed. That will leave me with a metal bar structure underneath ti fix new roofing too. I'm not sure whether to go down the boarding and felting option or some sort of corrugated roof sheet. I'm also contemplating leaving it as is and throwing a big tarp over it (although not what I want to do cos of winds etc) as I need to get back to site. Any suggestions? Cheers Vijay Link to comment Share on other sites More sharing options...
Mr Punter Posted July 18, 2023 Share Posted July 18, 2023 I got a local firm to strip the asbestos and replace with insulated metal sheets. Really good, but maybe not a budget option. Link to comment Share on other sites More sharing options...
Vijay Posted July 19, 2023 Author Share Posted July 19, 2023 Cheers but really do want a DIY option on this if possible Link to comment Share on other sites More sharing options...
Iceverge Posted July 19, 2023 Share Posted July 19, 2023 You could slightly curved sheets to do the whole span from a metal supplier. Fix some roofing membrane underneath to catch any drips and tec-screw them together. Simple job. Link to comment Share on other sites More sharing options...
Onoff Posted July 19, 2023 Share Posted July 19, 2023 My Dad had his similar garage re-roofed just before he died. Aluminium angle iron supporting a corrugated asbestos roof originally. I'd already added extra, intermediate angle irons 30 years ago when I used those crap, black bitumen, corrugated sheets from Wickes. That was a total failure. It sunk in multiple places like washing up bowl sized depressions. This time a local builder tek screwed OSB down to the angle irons then did a couple of layers of self adhesive roofing felt. Looks really good. I'll take some pics at the weekend. The concrete garage itself is shot but the roof is good! Link to comment Share on other sites More sharing options...
alfaTom Posted July 19, 2023 Share Posted July 19, 2023 If you are a competent DIY'er then depending on your location you may be able to dispose of the asbestos roof sheets at your local household recycling centre. This should save you some cash from paying a specialist to do it, but you'll need to invest in quality PPE beforehand and obtain the sheet bags from your recycling centre. You could then use that extra cash on the roof - I'd go OSB and felt as you'd get a good roof from that but not sure what state the rest of the garage in - might be more effort than it's worth. Link to comment Share on other sites More sharing options...
saveasteading Posted July 19, 2023 Share Posted July 19, 2023 Do you know it is asbestos fibres in it? It looks the sort of age when it might have been the alternative plastic fibres. It would cost £100 or so to get it tested. roof and walls. I wouldn't like to assume that the LA tip will accept this without paperwork and thorough protection during handling. eg sealed skips. This is not a case of a few bits of broken cladding, double bagged. The sheets should be kept whole. Read these instructions. You cannot take these to tip in a trailer as you ned a wste carrier licence. https://www.hse.gov.uk/pubns/guidance/em9.pdf https://www.hse.gov.uk/pubns/guidance/a14.pdf If it was me, I know how to do this safely, but I would still get a demolition contractor to do it. They have the kit already. My company stripped many buildings and HSE were happy, but latterly we found it wasn't worth the hassle and wasn't saving much, so we always used licensed demolition contractors. There is a very strong likelihood of there being complaints from neighbours, because the fear of asbestos is profound, and the lesser risk with cladding is not understood. So again, best use someone with the credentials: they are still quite likely to cut corners, but it won't be your fault. I know it isn't what you want to hear, due to cost, but try 2 or 3 companies: maybe one specialises in small stuff. It will only take them a day. Link to comment Share on other sites More sharing options...
Gone West Posted July 20, 2023 Share Posted July 20, 2023 The bungalow we had to dismantle had all the internal walls and ceilings lined with Chrysotile asbestos sheets. The roof was also covered with asbestos tiles. I took a sample and had it tested. I got several quotes to have the internal sheets removed and disposed of, which varied between £4000 and £13000. I ensured that the cheapest quote provided all the necessary paperwork. While the internal sheets were being removed I was kitted up on the roof removing all the tiles and bagging them up for the workers to dispose of. So it cost me £4000 plus the cost of the testing kit. To get a sample from a roof I would wear a mask and I would damp down the area thoroughly and break off a small piece and send it for testing. If removing the whole roof I would wear the full required PPE. There may be a local company who would take the bagged up and sealed sheets. https://www.amazon.co.uk/Asbestos-Sample-Only-Test-Testing/dp/B095PCZJ4X/ Link to comment Share on other sites More sharing options...
Dave Jones Posted July 20, 2023 Share Posted July 20, 2023 rubber roof, cheap and easy. couple sheets ply, couple 6x2 timber joists job done. Link to comment Share on other sites More sharing options...
Alan Ambrose Posted July 20, 2023 Share Posted July 20, 2023 Yeah, EPDM roof on ply, insulation to taste. Super waterproof and probably 30 year life. Link to comment Share on other sites More sharing options...
Onoff Posted July 22, 2023 Share Posted July 22, 2023 Off another forum. Pikeys it's assumed charged an old lady over £2K for this. At least they used 10mm OSB... Link to comment Share on other sites More sharing options...
Canski Posted July 22, 2023 Share Posted July 22, 2023 Holy shit ! I used 11mm OSB do you think it will be ok ? 😂😂 Link to comment Share on other sites More sharing options...
joe90 Posted July 22, 2023 Share Posted July 22, 2023 28 minutes ago, Canski said: Holy shit ! I used 11mm OSB do you think it will be ok ? 😂😂 Depends on how much support you have (distance between roof timbers and their size). You can always add noggins or more rafters. Link to comment Share on other sites More sharing options...
Vijay Posted August 3, 2023 Author Share Posted August 3, 2023 thanks everyone, really appreciate your help. I was contemplating putting 18mm osb or ply down but wasn't aware of the self adhesive stuff. I will definitely look at EPDM, but is that a DIY thing? Link to comment Share on other sites More sharing options...
AlexT Posted August 30, 2023 Share Posted August 30, 2023 Cardinal Steels can help you with any guidance, they manufacture and supplier a range of roofing sheets - https://cardinalsteels.com/ Link to comment Share on other sites More sharing options...
Tetrarch Posted August 30, 2023 Share Posted August 30, 2023 On 03/08/2023 at 14:09, Vijay said: thanks everyone, really appreciate your help. I was contemplating putting 18mm osb or ply down but wasn't aware of the self adhesive stuff. I will definitely look at EPDM, but is that a DIY thing? Absolutey, It's just a sheet or rubber. Gluing it down is the belt and braces approach. Don't be worried about the glue. It's just like paint. There are loads of good videos on Youtube Regards Tet Link to comment Share on other sites More sharing options...
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