
Why Is My Parapet Wall Leaking?
A parapet wall leaks when water gets in at one of three places: the top of the wall, where caps, coping joints and fasteners open

A parapet wall leaks when water gets in at one of three places: the top of the wall, where caps, coping joints and fasteners open

Yes. Hail can dent a foam roof, crack its coating or, in larger storms, punch holes into the foam. Because roofing foam is closed-cell, a

A rooftop swamp cooler usually leaks onto the roof for one of four reasons: a stuck or misadjusted float valve that overfills the pan, an

Usually not. If the existing coating is still bonded to the roof, compatible with the new material and sitting on dry, sound foam, it stays

A foam roof warranty covers leaks caused by defects in the materials, the installation, or both, depending on which warranty you have. Most foam roofs

Roof coating cracks when it can no longer stretch and recover as fast as the roof beneath it moves. On an Arizona foam roof, that

A foam roof blisters when moisture or trapped air sits between two layers of the roof and the sun heats it until the pocket expands
For most Arizona foam roofs, silicone is the better coating because it holds up under sustained ultraviolet load and tolerates standing water that acrylic does
Yes. A properly installed and coated spray polyurethane foam roof is designed to be walked on. Roofing-grade foam is specified to a minimum compressive strength
Water pools on a flat roof because it has lost its path to a drain. If it is still there 48 hours after the rain