January 25, 20215 yr Hi All, we recently built an extension on to our kitchen, the roof is an apex and we are getting a damp patch in the corner each time it rains.. what’s could this be?
January 25, 20215 yr Faulty rain water goods, Faulty Roof covering , or interface between the existing building and new photos of external would help
January 26, 20215 yr Welcome to the forum. Some ridge tiles interlock. I wonder if they cut one to length incorrectly loosing the seal?
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