These quality leak barriers from GAF help prevent wind-driven rain from leaking through the roof deck, or melting ice and snow (caused by ice dams in harsh winter climates) from…

Residential Building Solutions from Henry. Enhancing the building envelope for a more comfortable, energy-efficient home.

JM Ice and Water Guard is a self-adhering membrane composed of rubberized asphalt roofing sheet with a strong inorganic glass mat for reinforcement.