Roof Deck Concrete

Was founded in 1988 to serve the needs of roofing contractors structural fabricators metal decking contractors and material handling dealers across the usa.

Roof deck 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. 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. 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. 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. The premiere metal deck supply company. The only cementitious structural panel approved by factory mutual fm fm approval standard 4472.

Beneath the roof cover structural concrete roof decks are commonly topside insulated using adhered insulation panels or cast in place lightweight insulating concrete. A metal deck supply fabricating and distributing company d mac industries inc. However when a lightweight structural concrete lwsc roof deck is poured in place it uses significantly more water. To meet today s needs for higher insulating value polyisocyanurate insulation isoboards are.

It does not contain any water absorbing expanded fillers and requires only one fourth the mix water of expanded aggregate insulating concretes. Gypsum concrete roof deck systems consist of a form board wire reinforcement and a poured application of gypsum concrete. Constructing the concrete roof deck. In older roof systems the insulation might have been wood fiber perlite or glass fiber boards.

To order each product individually step one is to determine how much seam mastic you will need for you wood or concrete roof deck. 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. 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. Structural concrete composite deck a supported steel panel deck system filled with normal weight or structural lightweight concrete.

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. When a normal weight structural concrete roof deck is poured i e. One concern is that the concrete must develop the compressive strength intended by the structural engineer in the design of the roof deck. Structural concrete composite deck a supported steel panel deck system filled with normal weight or structural lightweight concrete.