Poured Gypsum Roof Deck Weight

Gypsum decks incorporated the placement of bulb tees.

Poured gypsum roof deck weight.

These include office complexes schools public buildings shopping malls and warehouses located throughout the united states. 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. Use minimum 13 mm 1 2 inch fillet welds on alternate sides of sub purlins both sides at end joints to main purlins.

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 concrete roof deck system. 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. Gypsum poured over formboards has been used as a substrate for roofing materials since the 1940 s.

A gypsum concrete roof deck consists of gypsum concrete that is mixed with either wood fibers or mineral aggregate. Place plank on lower flanges of sub purlins or other framing with ends and edges supported. Gypsum deck plank for roof decks. It is usually poured to a 2 inch thickness and weighs approximately 17 5 lbs.

For fire rated roof decks weld per fire test assembly. Its use increased since it provided roof deck fire protection diaphragm values and an economical substrate for roofing. Many of these installations continue to perform and provide support to. Poured gypsum decks provide stable structural properties if kept moisture free.