Roof Deck Concrete

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.

Roof deck concrete.

However when a lightweight structural concrete lwsc roof deck is poured in place it uses significantly more water. It does not contain any water absorbing expanded fillers and requires only one fourth the mix water of expanded aggregate insulating concretes. Beneath the roof cover structural concrete roof decks are commonly topside insulated using adhered insulation panels or cast in place lightweight insulating concrete. Constructing the concrete roof deck.

One 3 5 gal pail will do a medium size deck and the one gallon can is good for smaller decks. One concern is that the concrete must develop the compressive strength intended by the structural engineer in the design of the roof deck. To meet today s needs for higher insulating value polyisocyanurate insulation isoboards are. A metal deck supply fabricating and distributing company d mac industries inc.

The surface of the concrete deck is primed with an asphalt primer to promote adhesion penetrating dust and surface pores and the hot asphalt follows. 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. Elastizell low density concrete roof decks an effective new and reroofing solution elastizell low density insulating concrete is a mixture of portland cement water and elastizell pre formed foam. Constructing a concrete slab for a structural roof is different from that for building a slab on the ground in that attention must concern two important objectives.

Beneath the roof cover structural concrete roof decks are commonly topside insulated using adhered insulation panels or cast in place lightweight insulating concrete. Structural concrete composite deck a supported steel panel deck system filled with normal weight or structural lightweight concrete. Installed up to 48 on center over cold formed steel framing 1 4 bar joists or wood framing to create 1and 2 hour fire rated roof ceiling assemblies. Cast in place it contains a high level of water.

Structural concrete composite deck a supported steel panel deck system filled with normal weight or structural lightweight concrete. The premiere metal deck supply company. Was founded in 1988 to serve the needs of roofing contractors structural fabricators metal decking contractors and material handling dealers across the usa. The steel deck panels are embossed in a manner which when filled with concrete allows the elements of the construction to respond to load as a single unit.

In older roof systems the insulation might have been wood fiber perlite or glass fiber boards. The only cementitious structural panel approved by factory mutual fm fm approval standard 4472. Gypsum concrete roof deck systems consist of a form board wire reinforcement and a poured application of gypsum concrete. When a normal weight structural concrete roof deck is poured i e.