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Permaweld is a white, heat weldable, single-ply, PVC membrane.
The membrane is tough yet pliable, with excellent tear
and chemical resistance and backed by both watertight and material
warranties. Permaweld is bright white, reflecting up to 83% of
the suns UV radiation and is an ENERGY STAR certified product.
The high reflectivity effectively reduces the roof temperature
by 80°-100°F when compared to conventional roofing.
Lowering the roof temperatures may result in a 20 to 40% energy
savings over existing dark roofing. Permaweld provides a superior
white, single-ply, Cool Roof System
 Mechanically
Fastened System
Traditional installation for use on metal, wood, concrete,
tectum, gypsum and lightweight concrete decks. In-seam fastening
and thermal welding produces a field fabricated continuous
membrane without the use of adhesives or mastics.
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 Fully
Adhered
Permaweld Fleece-Backed Direct adhesion to challenging
decks including concrete, gypsum, tectum, smooth BUR, etc.
with water or solvent based adhesive. Fully-adhered means
high wind uplift resistance. Eliminates costly barrier boards,
fasteners, and lowers labor costs.
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 Vacuum
Fastening
Perma-Vac is ideal for monolithic roof decks (gypsum, concrete,
zonolite, etc.) and existing BUR's where fasteners create
problems and extra costs. Perma-Vac vents are strategically
located on the roof and designed to create an active vacuum
system. The harder the wind blows, the greater the vacuum
developed by the Perma-Vac vents; and the membrane is drawn
tighter to the deck.
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