Lightweight Gypsum Repair
PROFESSIONAL LIGHTWEIGHT GYPSUM REPAIR IN WEST CHESTER, PA
SECUROCK Gypsum-Concrete Patch
Great for repairing poured-in-place roof decks
such as gypsum roof decks and lightweight insulating concrete surfaces.
USG Securock Brand Gypsum-Concrete Patch is mill formulated and composed of specially calcined gypsum and wood chips or shavings. It is mixed at the jobsite with clean water only and poured in place as a patch for existing gypsum decks. USG Securock Gypsum-Concrete Patch is noncombustible and used in several UL-approved roof deck systems.
Type F Roof DeckFinishes:Primed Gray, G60 GalvGauges:18, 20, 22Sizes:36"x20'2", 36"x24'2"
The inverted tee (or bulb tee) holds the 3 x 4 form board panels, and is welded to the steel bar joist. The bar joist determines the slope-to-drain, and the gypsum (with scrim wire) is installed over the form board at the constant thickness of 2-1/2".
Weight3.19 lbs./ft.Moment of Inertia.598 in.4Section Modulus.520 in.3
Bulb Tees are high strength, lightweight, steel sections for use as structural subpurlins in specialty roof decks such as Tectum Wood Fiber Decks, Poured Gypsum Decks and Span-Rock Gypsum Plank Decks. Bulb Tees also make excellent bond beams for anchoring structural members, providing a continuous steel strip for attachment and reinforcement.
Total Safe Uniform Load - psf
SPAN
7'0" 7'6" 8'0" 8'6" 9'0" 9'6" 10'0" 10'6" 11'0" Max Eave Overhang 4'10"
#218 119 103 91 80 72 64 58 52 48
Specifications & Design Properties
Design Stress33,000 PSIMin Yield Point50,000 PSIMin Tensile Strenghth80,000 PSI