Poured Gypsum Roof Deck Weight

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.

Poured gypsum roof deck weight.

2 2 gypsum concrete roof decking figure 2 2 2 1 gypsum concrete is mill formulated and composed of calcined gypsum and wood chips or shavings. Tectum 1 thick 2 0psf insulrock 1 thick 2 7psf poured gypsum 1 thick 6 5psf vermiculate concrete 1 thick 2 6psf. Poured gypsum decks provide stable structural properties if kept moisture free. It is usually poured to a 2 inch thickness and weighs approximately 17 5 lbs.

Gypsum roof decking is then allowed to set and covered with a water tight roofing material. Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets. Gypsum deck plank for roof decks. For fire rated roof decks weld per fire test assembly.

These include office complexes schools public buildings shopping malls and warehouses located throughout the united states. The density of dried gypsum concrete varies from 30 to 55 pounds per cubic foot depending upon the design mix and the type of aggregate. Gypsum poured over formboards has been used as a substrate for roofing materials since the 1940 s. Place plank on lower flanges of sub purlins or other framing with ends and edges supported.

Many of these installations continue to perform and provide support to. A gypsum concrete roof deck consists of gypsum concrete that is mixed with either wood fibers or mineral aggregate. Gypsum concrete roof deck system. Free water will cause the gypsum concrete to decompose and lose structural strength.