Offshore pressure gradients drive dry air down through the passes and canyons, and the valley sits directly in the path. In Sunland that window runs roughly September through…
Valleys carry the most water of any part of a roof. Open metal valleys corrode at the center line; closed-cut valleys fail when the cut was made too tight to the…
Chimney leaks are almost always flashing, not roofing. The counterflashing has pulled out of the mortar joint, or there was never a cricket built on the high…
Composite gives the look of slate or shake at a fraction of the dead load, which matters on older framing that was never sized for stone. That is the short case for synthetic…