Since having a garage built & rendered I have been plagued with dampness
getting in at the point where the roof & the concrete blocks meet. There is
a small parapet on top of the front facing garage wall built I presume to
make the garage look good from the front & to hide the roof from the front.
This is the point where the damp gets in. I have been concentrating on the
felt etc here but am beginning to think that I am on the wrong track. It has
just struck me that the copings could be the problem. They are 5.5 inch
copings & with the 4 inch blocks & the rendering on the garage walls the
copes have virtually no overhang. I have phoned the local builders merchant
looking for 8 inch copes but he says next size up is 11 inches which is
obviously too big. Has anyone else had this problem? What did you do to
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