+1
Impossible to say without inspecting the roof but some will live quite a long time based on exposure, correctness of installation, ventilation, etc.
There is quite a bit of variance and human cont ... read more
Big +1 to Abe's feedback.
He is 100% right on the differences.
Inserts can be done very effectively with no weak links in the system in a vast majority of the cases. Where it really pays dividends to ... read more