I have a torchon flat roof on part of my house (13 years old, designed by an architect--so it is really a fiddly design and very high maintenance--I'll never do that again!) and there has been some leakage through the floor below so I dragged up the decking over the membrane and it seems as if the membrane is still intact, but it feels like it is solid underfoot in some places and squishy other places--is that normal, as you supposed to put decking over it and not walk on it direct, or is there a suspicion that water has got in rotting the roof underneath. There is no leakage in the middle of the ceiling below, just on the edges, as the roof is not completely flat and water tends to pool on the very edges above the guttering.
so how squishy should it be?
Thanks, guys. I am learning to do this on my own and sometimes the books don't tell you what you need to know.
Yeah, squishy wood decking is a definite symptom of a leaky roof. A leaky roof is by no means the only cause, but the most common.
The flat roof may not be a bad design, but a deck on top of it tends to hurt worse.
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