Use minimum 13 mm 1 2 inch fillet welds on alternate sides of sub purlins both sides at end joints to main purlins.
Precast gypsum plank roof deck.
Introduced as a roof deck substrate in the 1940 s.
Place plank on lower flanges of sub purlins or other framing with ends and edges supported.
Structural panel concrete roof deck is versatile and economic option for both low and steep slope roofs.
Gypsum concrete roof deck system.
This system provides fire resistance seismic and wind load diaphragm values in addition to an economical roofing membrane substrate.
It is one of the various types of insulated concrete forms icfs.
Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets.
For fire rated roof decks weld per fire test assembly.
Roof and floor deck systems.
These include office complexes schools public buildings shopping malls and warehouses located throughout the united states.
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.
Gypsum plank jip səm plaŋk materials a structural precast unit consisting of gypsum core reinforced with welded galvanized steel mesh and bounded on all four edges with a tongue and groove steel form.
Precast modular concrete blocks make up this rather unique system.
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.
Collaboration with the structural engineer.
Formboards placed between the bulb tees contain the fast.
2 metal edge tongue groove plank.
For extreme environmental conditions stainless steel edging is available.
The planks are not poured on site but precast.
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.
The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center.
Used as the roof deck of steel frame buildings and sometimes for the floor system.
Gypsum deck plank for roof decks.
Aside from roof decks this arrangement can also be deployed as a floor system.
A type of roof decking that will be discussed is called gypsum roof decking.
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.
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.
For example the roof deck may need to extend to.
