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a24202420
Joined: 20 Aug 2007
Posts: 2
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 Posted: Mon Aug 20, 2007 1:11 pm Post subject: Can corrugated roofing waterproof ceiling of lower deck? |
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We have a lower deck and would like to waterproof it. The upper deck is standard decking herringbone-patterned floor. Could we use corrugated metal roofing to waterproof the ceiling area of the lower deck. Our thinking is to waterproof the seams of the corrugated metal roofing material with some type of roofing cement and slant it into a gutter running the width of the deck and letting it flow into a downspout at the end. Can the corrugated roofing betwaterproofed enough for this application? The corrugated metal would be slanted towards the outer end of the deck and then slanted toward one corner where the downspout would be located. :?: |
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phansford
Joined: 18 Apr 2004
Posts: 512
Location: SW Ohio
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| Posted: Mon Aug 20, 2007 2:42 pm Post subject: |
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| Before you start buying material, check out this product at your local home store. I saw Underdeck or simliar product at the local UBC. |
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mx2
millennium club
Joined: 18 Jan 2006
Posts: 1948
Location: Miami, Florida
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| Posted: Mon Aug 20, 2007 5:42 pm Post subject: |
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what a great product...excellent suggestion phansford. I was going to recommend they re-visit the wood deck and simply waterproof it by adding a flooring system over waterproofing membrane that would drain into typical gutters/dowspouts. The existing herringbone decking would then become the finished ceiling of the lower porch.
mx2.5
_________________
*Art of Architecture: The conscious use of skill and creative imagination in the production of an aesthetic building.
*Science of Architecture: The calculated use of technical skill and knowledge in the construction of a functional building. |
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a24202420
Joined: 20 Aug 2007
Posts: 2
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| Posted: Mon Aug 20, 2007 5:55 pm Post subject: Thanks |
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| Thanks for the underdeck suggestion. I also found a system called dysnap on the Web that looks good too. We didn't want to cover up the perfectly good upper herrinbgone-patterned wood deck, so the underdeck or drysnap waterproof ceilings look like a better solution. |
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Dermot
Joined: 13 Aug 2006
Posts: 8
Location: Australia
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| Posted: Tue Aug 21, 2007 4:29 pm Post subject: |
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We use corrugated metal as the main roofing product here in Australia 80% of the time, so we have a huge experience with it.
I would not recommend it for the situation you have planned, under a deck. People here try it often as it is a cheap & easy to use material.
The joins usually rely on a min of 5deg slope & a slight difference in the last corrugation to produce a seepage proof seal.
Apart from sealling the joins the fixings are all made to be waterproofed from the side they are fixed from not the (inside).
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Dermot
www.dmbd.net |
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