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- 15 Sep 2015
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We live in a semi-detached house that has a narrow (about 3ft) flat roof running along the front of both houses, above our lounge windows. The flat roof also covers our kitchen and an office at the end of the house and the overall slope is to a gutter at the rear of the house. The rest of the flat roof has a high felted ridge around it.
I've recently noticed some damp marks in the ceiling part above our lounge window and high up on the wall between us and next door. This becomes quite damp when it rains (but it never drips) and dries completely when the rain stops.
Over the last few years I have used rubberised paint and painted all of our flat roof twice, even painting the first course of bricks above where the felt is fitted into the brickwork joints. All felt joints were given 4 coats of protection.
There is, and has been for many years, a shallow pool of water lying above our lounge window. This doesn't drain away, it evaporates over the course of a few dry days, so I'm fairly certain that the damp isn't coming from there, or any other part of our roof.
I was wondering if it is possible for water to enter our neighbours flat roof and leak into our part. The dampness is only near our neighbours wall and there's absolutely no dampness showing in any other rooms covered by flat roofing.
Thanks for any advice.
I've recently noticed some damp marks in the ceiling part above our lounge window and high up on the wall between us and next door. This becomes quite damp when it rains (but it never drips) and dries completely when the rain stops.
Over the last few years I have used rubberised paint and painted all of our flat roof twice, even painting the first course of bricks above where the felt is fitted into the brickwork joints. All felt joints were given 4 coats of protection.
There is, and has been for many years, a shallow pool of water lying above our lounge window. This doesn't drain away, it evaporates over the course of a few dry days, so I'm fairly certain that the damp isn't coming from there, or any other part of our roof.
I was wondering if it is possible for water to enter our neighbours flat roof and leak into our part. The dampness is only near our neighbours wall and there's absolutely no dampness showing in any other rooms covered by flat roofing.
Thanks for any advice.