Gypsum Concrete Roof Deck Repair

Venting lwic installed over structural concrete and other non venting substrates.

Gypsum concrete roof deck repair. Picture story of gypsum roof deck repair sequence nrdca 600 guideline for application of cementitious wood fiber roof deck systems technical bulletin 1001. In pennsylvania eastern listed in the blue book network. Today many of these systems are being repaired and reused with new roofing materials. Commercial companies that supply and install gypsum board wood or lightweight concrete roof deck systems.

Exceptional strength excellent fire performance and the versatility to patch many decks such as gypsum roof decks. When removing the roofing in the marked areas install 3 4 inch minimum thickness plywood over the marked areas. Or excessively cracked gypsum concrete. This is similar to using floor underlayments as the subfloor base for the floor covering.

Free water will cause the gypsum concrete to decompose and lose structural strength. The truss tees allowed the gypsum concrete to flow through the structural support thus increase shear resistance. Usg securock usg securock brand gypsum concrete patch is mill formulated and composed of specially calcined gypsum and wood chips or shavings. Connect with the best roof deck concrete gypsum wood etc.

Mix gypsum concrete thoroughly using a minimum amount of water to form a thick pourable consistency. Each 4 x 8 plywood sheet must span over three bulb tees to provide a. Fill edge joints to slight excess with single pour at sub purlins. Poured gypsum decks provide stable structural properties if kept moisture free.

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. 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. Get pre qualification information projects and their ratings. Roofing was added by nailing a base sheet to the gypsum deck and then bonding roofing materials to the base sheet.

We can install several gypsum repair patches including usg securock keydeck mesh and 218 bulb tees. Roof deck is placed between or over roof supports and used as a base for the roof covering system.