Gypsum Concrete Roof Deck Repair

Usg securock usg securock brand gypsum concrete patch is mill formulated and composed of specially calcined gypsum and wood chips or shavings.

Gypsum concrete roof deck repair.

We can install several gypsum repair patches including usg securock keydeck mesh and 218 bulb tees. In pennsylvania eastern listed in the blue book network. 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. 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. 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. Poured gypsum decks provide stable structural properties if kept moisture free. When removing the roofing in the marked areas install 3 4 inch minimum thickness plywood over the marked areas.

Connect with the best roof deck concrete gypsum wood etc. Each 4 x 8 plywood sheet must span over three bulb tees to provide a. Commercial companies that supply and install gypsum board wood or lightweight concrete roof deck systems. It is mixed at the jobsite with clean water only and poured in place as a patch for existing gypsum decks.

Picture story of gypsum roof deck repair sequence nrdca 600 guideline for application of cementitious wood fiber roof deck systems technical bulletin 1001. Or excessively cracked gypsum concrete. The truss tees allowed the gypsum concrete to flow through the structural support thus increase shear resistance. Roofing was added by nailing a base sheet to the gypsum deck and then bonding roofing materials to the base sheet.

Fill edge joints to slight excess with single pour at sub purlins. Today many of these systems are being repaired and reused with new roofing materials. Get pre qualification information projects and their ratings. Venting lwic installed over structural concrete and other non venting substrates.

Mix gypsum concrete thoroughly using a minimum amount of water to form a thick pourable consistency. Based on the survey results mark off the top surface of the roofing membrane to denote possible areas of concern.