Poured In Place Gypsum Roof Deck
Usg securock gypsum concrete patch is noncombustible and used in several ul approved roof deck systems.
Poured in place gypsum roof deck. These include office complexes schools public buildings shopping malls and warehouses located throughout the united states. Gypsum concrete roof deck system. Usg securock brand gypsum concrete patch is mill formulated and composed of specially calcined gypsum and wood chips or shavings. Free water will cause the gypsum concrete to decompose and lose structural strength.
It is mixed at the jobsite with clean water only and poured in place as a patch for existing gypsum decks. It is mixed at the job site 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. The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center.
Gypsum concrete roof deck systems consist of a form board wire reinforcement and a poured application of gypsum concrete. Formboards placed between the bulb tees contain the fast setting poured gypsum roof. 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. 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.
One concern is deck integrity and prolonged roof leakage could corrode the wire reinforcing and leach binder to the point that an unaware person could fall through the deck. The westford ma based national roof deck contractors association has published guidelines for rehabilitation of old gypsum decking. Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets. Great for repairing poured in place roof decks such as gypsum roof decks and lightweight insulating concrete surfaces see why usg securock brand gypsum concrete patch has been a key solution.
Usg securock gypsum concrete patch is noncombustible and used in several ul approved roof deck systems. Usg securock brand gypsum concrete patch is mill formulated and composed of specially calcined gypsum and wood chips or shavings.