Sheet-Applied (Exterior Air Barrier)--The surface of the exterior gypsum sheathing
is wrapped with a sheet-applied membrane (e.
The water-resistant, glass-mat CertainTeed Gypsum sheathing
product was used to form the exterior skin of the luxurious Hilton Orlando Bonnet Creek, the Hilton Orlando Convention Center and the Waldorf Astoria at Bonnet Creek.
In addition, the rubberized asphalt adhesive provides a waterproof membrane that sticks to most clean, dry, smooth surfaces, including prepared concrete and concrete masonry, plywood and OSB sheathings, DensGlass Gold, gypsum sheathing
, cement board, asphalt saturated felt and most housewraps.
Shaded areas in the figures included in Figure 1 represent the sheathing panels (OSB or plywood on one side and gypsum sheathing
on the other side).
In many instances of damage, both the EIFS and gypsum sheathing
had been blown off, leaving only the metal studs.
Typically two-hour rated exterior walls use one or two layers of exterior gypsum sheathing
on the exterior side of the framing, often in combination with a layer of wood structural panels.
Building upon more than 20 years of proven performance, enhanced moisture- and mold-resistant DensGlass Gold is the only fiberglass mat gypsum sheathing
with a 12 month weather exposure limited warranty.
We also successfully introduced a new fiberglass-faced gypsum sheathing
product, GreenGlass[TM], for use in commercial and residential applications during the quarter.
In comparison, conventional light gauge steel and wood stud walls with wood and gypsum sheathing
, however, offer little or no resistance to the "missile" in these tests.