Installation details can make the difference between a trouble-free roof and an expensive callback.
Synopsis: Roofs offer many opportunities for water leaks. This article explains how to install flashing to prevent the problem, covering roof edges, valleys, vent pipes and chimneys. The author provides details on how to flash a skylight in a metal roof and the advantages of using synthetic materials like EPDM instead of metal.
I once heard about a man with a perpetually leaking roof. He said that he couldn’t very well fix it in the rain, and that when the sun was shining, he didn’t need to. Most likely, the problem could have been avoided if the roof flashing had been done right in the first place.
My previous article discussed sidewall flashing. Now I’ll take a look at roof flashing. Although the underlying principles are the same for both systems, roof flashings are more severely tested; rain strikes a roof directly, and the sun bakes it throughout…