Why is my Black Series skylight leaking and how do I fix it?
The skylight frame is bedded to the roof with sealant, and the roof flexes on corrugations while the frame does not, so a thin or badly cured bead ...
The skylight frame is bedded to the roof with sealant, and the roof flexes on corrugations while the frame does not, so a thin or badly cured bead ...
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