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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
These two books are the perfect starting place to help you get to grips with one of the most vitally important aspects of our society - our homes and living environment.

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Products: Cedar shingle fire treatment

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  1.  
    • CommentAuthorcakewalker
    • CommentTimeNov 27th 2008
     
    We've specified cedar shingles for a small building in the UK (small new build educational facility). However, we've come up against the regulations requirement that the roof be at least 12m from any notional site boundaries. We're 3.5m away from the boundary and there's no real scope to change this. We're nowhere near any buildings (either other buildings in our site or buildings in the neighbouring site), though as far as the regs are concerned unfortunately that's not relevant.

    We're faced with changing the roof material (which we may be prepared to do if it's to something visually similar) or fire proofing the shingles. Would anyone have any recommendations for the latter? We have some documentation about John Brash shingles, which have a link to a company they use for fire proofing (Arch Cemicals - their Non-Com Exterior product), but I've drawn a blank trying to establish what environmental issues there may be with fire protected shingles from them. We've been careful in our specification of other elements of the building to use products that should limit the building's environmental impact. The purpose of the building is to study (and foster a respect) of ecology and the environment, and we'd like the building's construction to reinforce that.

    Thanks!
    Chris
  2.  
    Posted By: cakewalkerWe're nowhere near any buildings (either other buildings in our site or buildings in the neighbouring site), though as far as the regs are concerned unfortunately that's not relevant.


    You can set a notional boundary midway between 2 buildings...
  3.  
    • CommentAuthorcakewalker
    • CommentTimeMar 10th 2009
     
    We've specified the Arch Chemicals product. I'm still not entirely convinced that either this or the HR Prof products won't damage the surrounding environment of our building or the place of manufacture, however the HR Prof product didn't seem as well suited to external use, being a coating.

    I tried the notional boundary argument, however as the neighbouring site is owned by a different school, we can't categorically say that nothing will be built within 12m of the building in the future. The school's insurers may be unhappy about the shingles too if they were untreated - I don't think I got as far as asking them, however they've been uneasy about just about every other timber element of the building and were dead against us having a wood burning boiler.
    • CommentAuthormcdowall
    • CommentTimeSep 14th 2009
     
    Hi Chris,

    I have a potential project to build, which is a conference room and workshop. The client would like a Cedar Shingle roof.
    After going through Part B of Building Regs for "Building other than dwelling houses", the section on Thatch and Wood shingles for roofs seems to indicate that wood shingles (unless treated for fire) are not permitted for any "Industrial, storage, or other non-residential purpose group building of any size" no matter what distance from a relevant boundary. From what you have said your building would have been approved if it had been 12m from the boundary. Am I wrongly interpreting what the regs are saying?

    Any info on this would be greatly appreciated!

    Thanks!

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