The poured gypsum roof deck consists of steel bulb tees a form board usually composed of gypsum or fiberglass wire reinforcing mesh and the gypsum concrete.
Gypsom concrete roof.
Lightweight concrete can be applied on exterior and interior surfaces.
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.
Many of these installations continue to perform and provide support to roofing materials that have been added over time.
It is mixed at the jobsite with clean water only and poured in place as a patch for existing gypsum decks.
Usg securock brand gypsum concrete patch is mill formulated and composed of specially calcined gypsum and wood chips or shavings.
The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center.
Formerly known as pyrofill gypsum concrete securock brand gypsum concrete patch is a high performing gypsum patch solution that delivers a professional finish on a variety of poured roof decks.
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.
Exceptional strength excellent fire performance and the versatility to patch many decks such as gypsum roof decks.
Usg securock gypsum concrete patch is noncombustible and used in several ul approved roof deck systems.
For exterior surfaces such as decks balconies or roof pads cement based lightweight concrete is the best choice.
These include office complexes schools public buildings shopping malls and warehouses located throughout the united states.
The top of the metal banded material will look like white sheet rock.
Special galvanized wire mesh draped over the bulb tees distribute vertical loads to the bulb tee system and resist diaphragm loads.
Old bald asphalt roof over wet fiberboard over asphalt felts and the white is a gypsum deck.
Gypsum or lightweight concrete deck.
Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets.
The main thing here is to ensure a perfect impermeabilization of the roof to be kept closely watched because water will distroy the gypsum plates and even condensation studies need be made to avoid condensation produce the same effect.
The brand name gyp crete a maxxon corporation trademark has come into general use as a term for gypsum concrete by construction professionals and architects.
The bulb tees which are very strong vertically but quite flexible horizontally provide the long span strength.
Gypsum deck from underneath.
Formboards placed between the bulb tees contain the fast setting poured gypsum roof deck.
It is a mixture of gypsum plaster portland cement and sand.