Gypsum Precast Roof Decking

Gypsum or lightweight concrete deck.

Gypsum precast roof decking.

Lightweight precast concrete planks. The planks are not poured on site but precast. For extreme environmental conditions stainless steel edging is available. 2 metal edge tongue groove plank.

Place plank on lower flanges of sub purlins or other framing with ends and edges supported. Gypsum deck from underneath. For fire rated roof decks weld per fire test assembly. 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.

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. These include office complexes schools public buildings shopping malls and warehouses located throughout the united states. This system provides fire resistance seismic and wind load diaphragm values in addition to an economical roofing membrane substrate. Examples of gypsum roof decks.

These fibrous decks generally have a gypsum like or cementitious binder and combine the functions of a roof deck thermal insulation and finished ceiling. Structural wood fiber decking a grey area between combustible and noncombustible decking is the structural wood fiber deck system. Collaboration with the structural engineer. The top of the metal banded material will look like white sheet rock.

Unlike traditional roofing systems where multiple layers are required concrete roof deck is both the noncombustible structural sheathing and either the nail base or thermal barrier. Structural panel concrete roof deck is versatile and economic option for both low and steep slope roofs. Many of these installations continue to perform and provide support to. Gypsum or lightweight concrete deck.

Click on an image to enlarge. Gypsum deck plank for roof decks. Use minimum 13 mm 1 2 inch fillet welds on alternate sides of sub purlins both sides at end joints to main purlins. Introduced as a roof deck substrate in the 1940 s.

Gypsum concrete roof deck system. The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center. 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.

Gypsum or lightweight concrete deck. Roof and floor deck systems. 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.