john willett Posted January 4, 2011 Report Share Posted January 4, 2011 after having read the quote the only flat roof that doesn't leak is in a place where it doesn't rain. This problem is with a flat roof that the membrane and all drainage routes were re-done 2 years ago and it only seems to have problems not in rain but with snow and cold. The roofing company has come out three times and re done any thing that even smelled like an avenue but problem continues. The roof is pvc over drainage sheeting over 6 inch foam with a nailer back over vapor barier over 3/4 inch rough cut cedar. There is no attic and no other insulation except in the kitchen where there is a ceiling dropped 6 inches with bat insulation under the former. I have inspected the membrane which has no seams at corners, and only one seam down the middle of the roof which appears completely intact. I've come to the conclusion that the problem may be condensation as the leaks are all in high humidity areas and the roof (not having an attic space is not vented. Again the roofing job which is wrapped over the parapets of this adobe home (stucco with no visible cracks) appears flawless. Ideas? Quote Link to comment Share on other sites More sharing options...
Nolan Kienitz Posted January 4, 2011 Report Share Posted January 4, 2011 Images would be helpful. Quote Link to comment Share on other sites More sharing options...
robert1966 Posted January 5, 2011 Report Share Posted January 5, 2011 I see all kinds of flat roofs in the Houston area, normally room additions. All leak at some point or another, most of the time they just slap more tar on the problem and it just raises the level in that spot to cause the water to pond in another.....You guessed it, now it leaks there. Quote Link to comment Share on other sites More sharing options...
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