Roof/wall intersections are tricky. To be truly effective, the step flashing has to be integrated with both the roofing and the siding. , einstallthe to make sure the flashing is properly installedMuse s at the base of long roof sections to direct large volumes of water running down the roof away from the siding below. I find these flashings ugly and easily broken, however, so I try to avoid them. Instead — particularly for short roofs that are more protected from the weather — I use a low-profile flashing detail that directs water to the front face of the siding,...

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