Hopefully some of your guys can give me some guidance.
Around 3 years ago we extended our house with a kitchen, dinning area and living space on the ground floor.
I wanted to keep an existing glass roof as we are north facing and lighting is important. The architect tried to talk me out of it but I was not having any of it.
due to this I have ended up with a small flat section which is fibre glassed and it is water tight. However on the other side of the fibre glassed section there is a small parapet wall and I am worried that the stone work always appears damp and wonder is this of concern.
Looking a little more into it I do know that there is lead work into the fibre glass section that goes under the coping stones. But I don't know if it goes over the cavity to the external stone.
from the pictures weep holes have been left in the wall to allow water to seep out of the wall if water penetrates the coping slabs on the top of the wall, this could cause the wall to discolour after time, As for damp it looks unlikely
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