Each plank weighs approximately 135 lbs.
Precast gypsum plank roof deck.
Formboards placed between the bulb tees contain the fast setting poured gypsum roof deck.
Special galvanized wire mesh draped over the bulb tees distribute vertical loads to the bulb tee system and resist diaphragm loads.
Serving as a combined deck and ceiling system the planks erect quickly to reduce on site labor needs and are capable of spanning long open spaces to aid design flexibility.
There is a hung ceiling below which may be part of the assembly.
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 planks are not poured on site but precast.
The building may date from the late 1930 s.
Gypsum deck plank for roof decks.
Continuous interior voids add structural.
Place plank on lower flanges of sub purlins or other framing with ends and edges supported.
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.
The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center.
It is one of the various types of insulated concrete forms icfs.
Precast modular concrete blocks make up this rather unique system.
Lightweight precast concrete planks.
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.
Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets.
Note gypsum planks also come in other sizes.
For extreme environmental conditions stainless steel edging is available.
These include office complexes schools public buildings shopping malls and warehouses located throughout the united states.
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.
Aside from roof decks this arrangement can also be deployed as a floor system.
A modern iteration of this arrangement is the quad deck system marketed by quad lock.