Formboards placed between the bulb tees contain the fast.
Gypsum precast roof decking.
Structural wood fiber decking a grey area between combustible and noncombustible decking is the structural wood fiber deck system.
These fibrous decks generally have a gypsum like or cementitious binder and combine the functions of a roof deck thermal insulation and finished ceiling.
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.
Gypsum or lightweight concrete deck.
The planks are not poured on site but precast.
Gypsum or lightweight concrete deck.
Use minimum 13 mm 1 2 inch fillet welds on alternate sides of sub purlins both sides at end joints to main purlins.
Many of these installations continue to perform and provide support to.
Old bald asphalt roof over wet fiberboard over asphalt felts and the white.
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.
2 metal edge tongue groove plank.
Gypsum deck plank for roof decks.
Place plank on lower flanges of sub purlins or other framing with ends and edges supported.
Examples of gypsum roof decks.
These include office complexes schools public buildings shopping malls and warehouses located throughout the united states.
Gypsum or lightweight concrete deck.
Lightweight precast concrete planks.
Introduced as a roof deck substrate in the 1940 s.
Roof and floor deck systems.
The gypsum roof deck system is supported by bulb tees generally spaced from 24 to 32 on center.
Gypsum concrete roof deck systems consist of a form board wire reinforcement and a poured application of gypsum concrete.
Click on an image to enlarge.
The top of the metal banded material will look like white sheet rock.
Gypsum concrete roof deck systems have been installed since the early 1950 s in all types of commercial markets.
Gypsum deck from underneath.
Collaboration with the structural engineer.
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.
This system provides fire resistance seismic and wind load diaphragm values in addition to an economical roofing membrane substrate.
For extreme environmental conditions stainless steel edging is available.
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.
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.
