Precast Gypsum Plank Roof Deck

Aside from roof decks this arrangement can also be deployed as a floor system.

Precast gypsum plank roof deck. Gypsum roof decking is one of many materials used to cover open web steel bar joists. The building may date from the late 1930 s. 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. A modern iteration of this arrangement is the quad deck system marketed by quad lock.

There is a hung ceiling below which may be part of the assembly. The planks are not poured on site but precast. Fabricated of gypsum board. Each plank weighs approximately 135 lbs.

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. Factory laminate from two 25 mm 1 inch thick gypsum panels with top panel edge set back along sub purlin edge not more than 13 mm 1 2 inch. Where possible length should span two main purlin spans. Decking that will be discussed is called gypsum roof decking.

Lightweight precast concrete planks. Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets. Gypsum planks also come in other sizes. It is one of the various types of insulated concrete forms icfs.

For extreme environmental conditions stainless steel edging is available. Structural panel concrete roof deck is versatile and economic option for both low and steep slope roofs. Gypsum planks are normally 2 thick 2 wide and 8 long and are factory laminated of two gypsum panels. Gypsum roof decking 2 1 gypsum plank roof decking figure 1 2 1 1 gypsum planks are normally 2 inches thick 2 feet wide and 8 feet long and are factory laminated of two gypsum panels.

These include office complexes schools public buildings shopping malls and warehouses located throughout the united states. Precast modular concrete blocks make up this rather unique system. 50 mm 2 inches thick by 600 mm 24 inches wide by main purlin span. 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.

Collaboration with the structural engineer.