WATER RESISTANT BARRIER (WRB)
Materials or combination of materials which are primarily designed to be used to keep liquid water from entering the building enclosure. Water resistive barriers are combined with flashing and other materials to ensure that there is a shingled assembly to direct liquid water which passes on the cladding system to be directed to the exterior. Also known as weather resistive barrier.
SPFA believes that the path to a healthful, safe, high-quality and performing SPF installation travels through the hands of a knowledgeable, trained, experienced, and ideally PCP-certified professional contractor.