Gypsum Concrete Roof Deck

Gypsum concrete roof deck system.

Gypsum concrete roof deck.

Structural panels concrete roof deck is an innovative technology designed to provide a structural roof sheathing without the need for thermal barriers pouring. Venting lwic installed over structural concrete and other non venting substrates. Provides excellent fire performance non combustible in accordance with astm e136 and it s fire rated and approved for use in ul roof deck. Mill formulated and composed of specially calcined gypsum and wood chips or shavings.

Place plank on lower flanges of sub purlins or other framing with ends and edges supported. 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. Free water will cause the gypsum concrete to decompose and lose structural strength. Gypsum concrete roof deck systems consist of a form board wire reinforcement and a poured application of gypsum concrete.

Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets. Easy application for concrete floor patch repair on many different types of roof decks like gypsum roof decks. These include office complexes schools public buildings shopping malls and warehouses located throughout the united states. 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. Gypsum deck from underneath. 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. Use minimum 13 mm 1 2 inch fillet welds on alternate sides of sub purlins both sides at end joints to main purlins.

Picture story of gypsum roof deck repair sequence nrdca 600 guideline for application of cementitious wood fiber roof deck systems technical bulletin 1001. Poured gypsum decks provide stable structural properties if kept moisture free. 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.

For fire rated roof decks weld per fire test assembly.