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.
Roof deck concrete.
To order each product individually step one is to determine how much seam mastic you will need for you wood or concrete roof deck.
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.
Step two divide your your square footage by 250 and that is how many pails of the waterproof base coat you will need.
A metal deck supply fabricating and distributing company d mac industries inc.
Cast in place it contains a high level of water.
Beneath the roof cover structural concrete roof decks are commonly topside insulated using adhered insulation panels or cast in place lightweight insulating concrete.
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.
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.
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.
It does not contain any water absorbing expanded fillers and requires only one fourth the mix water of expanded aggregate insulating concretes.
One concern is that the concrete must develop the compressive strength intended by the structural engineer in the design of the roof deck.
The only cementitious structural panel approved by factory mutual fm fm approval standard 4472.
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.
Structural concrete composite deck a supported steel panel deck system filled with normal weight or structural lightweight concrete.
To meet today s needs for higher insulating value polyisocyanurate insulation isoboards are.
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.
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.
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.
However when a lightweight structural concrete lwsc roof deck is poured in place it uses significantly more water.
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.
Beneath the roof cover structural concrete roof decks are commonly topside insulated using adhered insulation panels or cast in place lightweight insulating concrete.
