Masonry Magazine January 2012 Page. 32
AIR BARRIERS
Air Barriers, continued from p.26
Adhesion and durability also have advanced. The newest air and water barrier products can withstand weather conditions up to and exceeding Category 5 hurricanes, even before the cladding goes up. Torn fabric wraps flapping in the breeze, which means a compromised air barrier, can be relegated to the past.
Detailing rough openings has long been a complicated procedure, whether with fabric wraps, peel-and-sticks, or even older editions of fluid-applied barriers.
Now it's just a matter of gunning the product on and spreading it out. With minimal manufacturer's training, mason contractors are positioned uniquely to add to their bottom lines, by taking on newly simplified and increasingly effective and durable air and water barrier installations.
"We've done about 50 air and water barrier installations since that first job," Dennis said. "If we can do them, we will do them." IMAS
Gary Henry is business communications specialist for PROSOCO.
Wind-related movement has caused holes in this fabric wrap air barrier. The holes will compromise the air barrier's performance by letting air pass through, even though the air's route to the hole from inside the building may be indirect and convoluted.
This penetration serves as both entrance and exit for air leaking through the building envelope. A seanless, continuous, durable air and water barrier interrupts that flow and keeps the building envelope working as it should.
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