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A reader's Roofs and roofing question: smoke hood?Brian T. from Hervey Bay, Country: Australia had this smoke hood question. Hi BillWe are installing a smoke hood over a forge and have a round (400mm dia) chimney which will be going through a custom orb galvanised roof sheet. Your suggestion on flashing this to seal out rain would be appreciated. Thanks Brian Bill's replyHi Brian, Look up "Dektite", they make all sorts of flashing for around pipes. I have just had a quick look and they do a "square base" one up to 440mm. Only thing I would worry about is the temperature, will the EPDM rubber last? Probably the best way is to get a flashing made up at a sheet metal shop out of Zincalume. They do it all the time for commercial kitchen extractors etc. At the same time I would then fix a soaker flashing from under the ridge to just past half way down your pipe, like on the solar tube photo on my flashings page. If you use any sort of sealer I'd say use Sikaflex PU, unless the sheet metal shop know of a better one for handling higher temperatures. CheersBill. If you didn't find exactly what you are looking for try this search tool that will search the site and the web. "What can be added to the happiness of a man who is in health, out of debt, and has a clear conscience? "When we build, let us think that we build for ever."John Ruskin 1819-1900 |
Glossary Pages.Roof Glossary and Roofing Formwork Glossary and other tempory work. Hand Tools Glossary Power Tools Glossary Asbestos Glossary Woodwork Glossary Stair Glossary Concrete Glossary Masonry Glossary
Do it yourself and join the pros. Solve Your Building Maths With a Ten Dollar Calculator Reader's Questions.Questions and answers.Ask a Question - Bill's help line Here is a link to a Mary's site that contains a Window Treatment Glossary. I didn't know that there was so many. |
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I knew nothing about web site design when I started out, but thanks to "my mates at SBI" I've had over a MILLION pages viewed in the last few months.
Thanks guys!
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Please Note! The information on this site is offered as a guide only! When we are talking about areas where building regulations or safety regulations could exist,the information here could be wrong for your area. It could be out of date! Regulations breed faster than rabbits! You must check your own local conditions. Copyright © Bill Bradley 2007-2009. All rights reserved. 
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