Gypsum Concrete Roof

Picture story of gypsum roof deck repair sequence nrdca 600 guideline for application of cementitious wood fiber roof deck systems technical bulletin 1001.

Gypsum concrete roof.

Usg securock gypsum concrete patch is noncombustible and used in several ul approved roof deck systems. Provide one 1 1 2 hour fire rating per tested assembly by underwriter s laboratory inc. The top of the metal banded material will look like white sheet rock. Easy application for concrete floor patch repair on many different types of roof decks like gypsum roof decks.

Usg securock brand gypsum concrete patch is mill formulated and composed of specially calcined gypsum and wood chips or shavings. Old bald asphalt roof over wet fiberboard over asphalt felts and the white is a gypsum deck. Gypsum concrete is a building material used as a floor underlayment used in wood frame and concrete construction for fire ratings sound reduction radiant heating and floor leveling. Gypsum deck from underneath.

For exterior surfaces such as decks balconies or roof pads cement based lightweight concrete is the best choice. It is mixed at the jobsite with clean water only and poured in place as a patch for existing gypsum decks. The brand name gyp crete a maxxon corporation trademark has come into general use as a term for gypsum concrete by construction professionals and. These include office complexes schools public buildings shopping malls and warehouses located throughout the united states.

Astm c317 class a 3 5 mpa 500 psi minimum compressive strength. Poured gypsum decks provide stable structural properties if kept moisture free. Free water will cause the gypsum concrete to decompose and lose structural strength. It is a mixture of gypsum plaster portland cement and sand.

The sustainable design has earned independent certification from scientific certification systems. Finish floor slope control long term durability high psi. The most popular product for interior surfaces is lightweight gypsum concrete gypcrete. 2 2 deck system a.

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. Mill formulated and composed of specially calcined gypsum and wood chips or shavings. Securock brand gypsum fiber roof board s dense concentration of gypsum and cellulose fibers provides exceptional panel and bond strength low surface absorption and superior wind uplift performance with no face layer to delaminate. Gypsum concrete roof deck system.

Lightweight concrete can be applied on exterior and interior surfaces.