Gypsum Precast Roof Decking

Gypsum or lightweight concrete deck.

Gypsum precast roof decking.

Lightweight precast concrete planks. Structural panel concrete roof deck is versatile and economic option for both low and steep slope roofs. For fire rated roof decks weld per fire test assembly. 2 metal edge tongue groove plank.

Gypsum or lightweight concrete deck. Examples of gypsum roof decks. Metal edge tounge groove plank is a lightweight 12 psf precast concrete plank produced in a standard 1 6 x10 x2 size with a cold rolled 22 ga. Formboards placed between the bulb tees contain the fast.

These fibrous decks generally have a gypsum like or cementitious binder and combine the functions of a roof deck thermal insulation and finished ceiling. Many of these installations continue to perform and provide support to. The roof deck consists of a flat deck of 3 solid gypsum planks 1 wide and 3 long supported by doubled light gage channels in turn supported by structural steel framing. Old bald asphalt roof over wet fiberboard over asphalt felts and the white.

Use minimum 13 mm 1 2 inch fillet welds on alternate sides of sub purlins both sides at end joints to main purlins. Because a roof deck is the foundation for the roof system the designer needs to coordinate the roof system design requirements for the roof deck with the structural engineer to ensure the performance of the roof system. This system provides fire resistance seismic and wind load diaphragm values in addition to an economical roofing membrane substrate. Gypsum or lightweight concrete deck.

Place plank on lower flanges of sub purlins or other framing with ends and edges supported. Gypsum concrete roof deck system. Gypsum deck plank for roof decks. Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets.

Introduced as a roof deck substrate in the 1940 s. Gypsum concrete roof deck systems consist of a form board wire reinforcement and a poured application of gypsum concrete. If the deck is sound it may be possible to treat the deck much like concrete by priming the surface adhering thermal insulation and installing a new roof membrane. The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center.

Click on an image to enlarge. The top of the metal banded material will look like white sheet rock. These include office complexes schools public buildings shopping malls and warehouses located throughout the united states. Roof and floor deck systems.

For extreme environmental conditions stainless steel edging is available. Collaboration with the structural engineer. The planks are not poured on site but precast.