Gypsum Concrete Roof Deck

The top of the metal banded material will look like white sheet rock.

Gypsum concrete roof deck.

Gypsum deck from underneath. Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets. Gypsum concrete roof deck systems consist of a form board wire reinforcement and a poured application of gypsum concrete. Gypsum deck plank for roof decks.

The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center. 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. 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 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. Usg securock brand gypsum concrete patch is mill formulated and composed of specially calcined gypsum and wood chips or shavings. 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.

This system provides fire resistance seismic and wind load diaphragm values in addition to an economical roofing membrane substrate. These include office complexes schools public buildings shopping malls and warehouses located throughout the united states. Gypsum concrete roof deck system. Structural panels concrete roof deck is an innovative technology designed to provide a structural roof sheathing without the need for thermal barriers pouring.

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. It is mixed at the jobsite with clean water only and poured in place as a patch for existing gypsum decks. Poured gypsum decks provide stable structural properties if kept moisture free. Usg securock gypsum concrete patch is noncombustible and used in several ul approved roof deck systems.

Provides excellent fire performance non combustible in accordance with astm e136 and it s fire rated and approved for use in ul roof deck. For fire rated roof decks weld per fire test assembly. Old bald asphalt roof over wet fiberboard over asphalt felts and the white is a gypsum deck.