Gypsum Concrete Roof Deck

Usg s structural panel concrete roof deck can be applied with mechanical fasteners to serve as a structural substrate for direct mechinically or adhesive applied roof systems.

Gypsum concrete roof deck.

Gypsum concrete roof deck system. Free water will cause the gypsum concrete to decompose and lose structural strength. If the deck is sound it may be possible to treat the deck much like concrete by priming the surface adhering thermal insulation and installing a new roof membrane. Introduced as a roof deck substrate in the 1940 s.

Place plank on lower flanges of sub purlins or other framing with ends and edges supported. Usg securock gypsum concrete patch is noncombustible and used in several ul approved roof deck systems. Damage that can cause loss of the structural composite strength is most likely to come from leakage of water into the roof deck from unattended roof leaks. Gypsum concrete roof deck systems consist of a form board wire reinforcement and a poured application of gypsum concrete.

Poured gypsum decks provide stable structural properties if kept moisture free. The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center. For fire rated roof decks weld per fire test assembly. Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets.

Formboards placed between the bulb tees contain the fast. Use minimum 13 mm 1 2 inch fillet welds on alternate sides of sub purlins both sides at end joints to main purlins. Structural panels concrete roof deck is an innovative technology designed to provide a structural roof sheathing without the need for thermal barriers pouring. Easy application for concrete floor patch repair on many different types of roof decks like gypsum roof decks.

Provides excellent fire performance non combustible in accordance with astm e136 and it s fire rated and approved for use in ul roof deck. Gypsum deck plank for roof decks. The top of the metal banded material will look like white sheet rock. These include office complexes schools public buildings shopping malls and warehouses located throughout the united states.

Old bald asphalt roof over wet fiberboard over asphalt felts and the white is a gypsum deck. Usg securock brand gypsum concrete patch is mill formulated and composed of specially calcined gypsum and wood chips or shavings. This system provides fire resistance seismic and wind load diaphragm values in addition to an economical roofing membrane substrate.