concrete deck on second floor!
I have a concrete deck on the second floor and every time it rains the water
will leak into the first floor. Why would anyone put a deck above another finished floor and of all things concrete? Anyway, I have removed the concrete down to the wood deck subfloor. Now I don't know what to use to make the deck water tight. The deck must support people walking on it and equipment as a BBQ, lawn furniture and such. Dex-O-Tex, Mer-Kote or other? Has anyone found an acceptable solution as to the kind of material and durability? TIA |
"Fred" wrote in message ... I have a concrete deck on the second floor and every time it rains the water will leak into the first floor. Why would anyone put a deck above another finished floor and of all things concrete? Anyway, I have removed the concrete down to the wood deck subfloor. Now I don't know what to use to make the deck water tight. The deck must support people walking on it and equipment as a BBQ, lawn furniture and such. Dex-O-Tex, Mer-Kote or other? Has anyone found an acceptable solution as to the kind of material and durability? TIA No DIY suggestions, but sounds like you need one of those pro-installed membrane decking systems- essentially a heavy-duty membrane roof with a non-skid walkable top surface. All of this assumes a strong enough roof surface, and suitable flashing where deck section meets second-floor section. Can't see from here, but common problem with decks like you have/had is insufficent drainage and/or a low spot. Water ponds, and will always find a way out. Scuttles at edge, and even an internally-plumbed center drain, may be called for. If you have enough height between door to second floor and the actual roof below, the more traditional approach would be a slightly sloped metal or mopped roof, with a floating deck on sleepers or flashed posts above it, but that is likely to be very heavy compared to a membrane roof. Whatever final weather surface is, it can't be dead-flat - you need at least the slight slope that a ground level patio has, from high point to drain point. If small, slope entire deck slightly from 2nd floor wall, if large, a slight peak down centerline. If very large, or parapet walls involved, need to shape roof to flow to scuttles and/or center catch box and drain. At this price point, I'd go for pro advice from an architect with expertise in unusal roofs, or at least a professional engineer. An experienced roofing company may be able to seat-of-the-pants it, but a real engineer would make your insurance company happier. The solution ain't gonna be cheap in any case. Wild alternative, if your budget allows- enclose the deck with a glass sunroom with a sloped roof. aem sends... |
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