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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Asbestos garage
Hi all,
do any of you know how much (roughly) would it cost to change the roof of an asbestos garage to a flat one? Is it worth doing this or would it just be better to build a new garage from scracht? It's a simple brick garage separated from the house. Thanks MGA |
#2
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Asbestos garage
MGA wrote:
Hi all, do any of you know how much (roughly) would it cost to change the roof of an asbestos garage to a flat one? Is it worth doing this or would it just be better to build a new garage from scracht? Why change it at all? -- Chris Green ) |
#3
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Asbestos garage
MGA wrote:
Hi all, do any of you know how much (roughly) would it cost to change the roof of an asbestos garage to a flat one? Is it worth doing this or would it just be better to build a new garage from scracht? It's a simple brick garage separated from the house. You don't want a flat roof - really, you don't. If someone is holding a gun to your head, sure you have to consider it, but otherwise, don't. If the asbestos roof is leaking or damaged, then consider a box profile steel roof. It'll cost less than a flat roof, and won't leak. -- Grunff |
#4
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Asbestos garage
Never heard of box profile steel roofs!
Can we fit one on single storey extension in lieu of flat roof or are they just for garages? TIA Phil |
#5
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Asbestos garage
TheScullster wrote:
Never heard of box profile steel roofs! The modern equivalent of corrugated iron. Think any big warehouse - e.g. B&Q or whatever - the roof will almost always be box profile. It's thin (0.6-0.8mm) galvanised steel that's polyester coated. Comes in many colours. Can we fit one on single storey extension in lieu of flat roof or are they just for garages? Well, I think in terms of functionality and building regs, yes you can (with adequate insulation). But aesthetically - garages and warehouses only IMO. -- Grunff |
#6
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Asbestos garage
MGA wrote:
do any of you know how much (roughly) would it cost to change the roof of an asbestos garage to a flat one? Is it worth doing this or would it just be better to build a new garage from scracht? It's a simple brick garage separated from the house. Is it a pitched roof or a flat (ish) (corrugated?) asbestos cement one? I recently converted a garage roof from flattish to pitched. Procedu Remove steel edgings and corrugated sheets (use a bolt cutter to snip the bolts or split the nuts). Dispose of sheeting at tidy tip. Affix 4x2 timbers to top of sides of garage (scarf joint in middle of each side nailed is OK). Affix four 4x2 cross-members, one 2" from each end, two equally spaced towards the middle. Cut 4x2 rafters and fix to cross-members and ridge board. Nail on 2x2 battens lenghtwise. Cover roof with 1/2" Stirling OSB. Buy corrugated iron, cut to length with angle grinder, fic to roof (cut end at ridge) ensuring a corrugation overhangs the edge of the Stirling board, and that enough length protudes at bottom of sheet to shiels Stirling board grom rain, & reach to gutters. Nail shiplap to ends. Cut old steel edgings to weatherproof the bottom of each shiplap end. Nail treated tiling batten under end overlaps of corrugated iron, and nail over 100mm weatherboard pushed up into trough of corrugated iron. Nail shiplap along sides to seal. So: 4x2: 2 lengths of garage + 4x (width of garage + 8") + 8 rafter lengths. 2x2: 8x length of garage. 4x1: 1x length of garage. Stirling board: Enough 8'x4' sheets Corrugated iron: Enough sheets allowing for overlap (it may be a good idea to select sheet length of say 5' and build the roof to that dimension to save cutting). Galvanised ridge pieces:4 Nails 4" bright, 2" galvanised clouts, spiral nails+washers+ caps for securing corrugated. I don't know what prices are where you buy, but that will give an indication. Guttering if you want it (on garden side especially) to be added. Grunff says use square section corrugated - I think this looks awful on a small building like a garage. As an alternative to corrugated iron, you could use Onduline (pitch polymer corrugated sheet) and then you would probably be able to dispense with the Stirling OSB which is to prevent condensation problems with the corrugated iron. __________________________________________________ ______________ Sent via the PAXemail system at paxemail.com |
#7
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Asbestos garage
"Grunff" wrote in message ... The modern equivalent of corrugated iron. Think any big warehouse - e.g. B&Q or whatever - the roof will almost always be box profile. It's thin (0.6-0.8mm) galvanised steel that's polyester coated. Comes in many colours. Can you suggest anywhere to get this stuff cheap? When we moved into our house we found a load in the garden which became the roof of our woodshed. We now want to extend the shed but we don't know where to get any more from. It is marvelous stuff. It must be at least twenty years old and yet shows no sign of age other than the fading of the colour. Bit of a bugger to fix to wooden purlins. I think usually it's fixed to metal ones with hooked bolts which hook under the purlins and are screwed through the ridges of the sheets. Matt Matt --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.502 / Virus Database: 300 - Release Date: 21/07/2003 |
#8
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Asbestos garage
Matt wrote:
Can you suggest anywhere to get this stuff cheap? I think the best bet is a local place - transport costs are quite high, so it can make a big difference. I know a good place in mid-Devon if that's any good to you. Bit of a bugger to fix to wooden purlins. I think usually it's fixed to metal ones with hooked bolts which hook under the purlins and are screwed through the ridges of the sheets. When I've used it (two roofs so far, one 18x5m, the other 3x4m), I used self drilling rubber washered screws, and it was a breeze. Put screw into socket driver, push and screw. Done. -- Grunff |
#9
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Asbestos garage
"Grunff" wrote in message ... I think the best bet is a local place - transport costs are quite high, so it can make a big difference. I know a good place in mid-Devon if that's any good to you. We're up in Norfolk so a bit of a drive :-) Love it down in the West. It's the one region we would consider leaving Norfolk for, like the rest of the country it seems considering house prices down your way. When I've used it (two roofs so far, one 18x5m, the other 3x4m), I used self drilling rubber washered screws, and it was a breeze. Put screw into socket driver, push and screw. Done. What we did, which was a little long winded, was buy some of the long roofing nails with the clip on caps, removed the nails and used the caps with long screws screwed down through the ridges into the purlins. Why we didn't use the washered self tappers as sold by Screwfix I don't know. There was a reason but it's forgotten. I need to keep a journal :-) Matt --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.502 / Virus Database: 300 - Release Date: 18/07/2003 |
#10
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Asbestos garage
Matt wrote:
What we did, which was a little long winded, was buy some of the long roofing nails with the clip on caps, removed the nails and used the caps with long screws screwed down through the ridges into the purlins. Why we didn't use the washered self tappers as sold by Screwfix I don't know. There was a reason but it's forgotten. I need to keep a journal :-) Blimey! No wonder it was hard work. -- Grunff |
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