Gypsum Concrete Roof

Gypsum concrete roof deck system.

Gypsum concrete roof. The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center. Venting lwic installed over structural concrete and other non venting substrates. Picture story of gypsum roof deck repair sequence nrdca 600 guideline for application of cementitious wood fiber roof deck systems technical bulletin 1001. The most popular product for interior surfaces is lightweight gypsum concrete gypcrete.

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. A 1 5 inch slab of gypsum concrete weighs 13 pounds per square foot versus 18 pounds per square foot for regular concrete. Formboards placed between the bulb tees contain the fast setting poured gypsum roof deck. Employs advanced technology in delivering an exceptionally strong high performance roof board for use in low slope commercial roofing systems.

Exceptional strength excellent fire performance and the versatility to patch many decks such as gypsum roof decks. Even though gypsum concrete weighs less it still has the same compressive strength as regular concrete based on its application as underlayment or top coat flooring. It is mixed at the jobsite with clean water only and poured in place as a patch for existing gypsum decks. Gypsum concrete is lightweight and fire resistant.

These include office complexes schools public buildings shopping malls and warehouses located throughout the united states. Water plus gypsum plus steel also will give severe problems the mass of gypsum here being so big. Securock brand gypsum fiber roof board s unique fiber reinforced homogenous composition gives the panel strength and water resistance through to the core. For exterior surfaces such as decks balconies or roof pads cement based lightweight concrete is the best choice.

Usg securock brand gypsum concrete patch is mill formulated and composed of specially calcined gypsum and wood chips or shavings. Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets. Lightweight concrete can be applied on exterior and interior surfaces. It provides exceptional bond and low absorption in adhered systems and offers sustainable design for all types of roofing systems including single ply fluid applied built up spray foam.

Usg securock gypsum concrete patch is noncombustible and used in several ul approved roof deck systems. 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. Special galvanized wire mesh draped over the bulb tees distribute vertical loads to the bulb tee system and resist diaphragm loads.