Lightweight Structural Concrete Roof Deck

With structural lightweight concrete a mix of shale slate slag and clay are used and with this mix the aggregate is fully saturated prior to mixing.

Lightweight structural concrete roof deck.

Structural concrete composite decks are somewhat uncommon at the roof level. 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. Usg s structural panel concrete roof deck can be applied with mechanical fasteners to serve as a structural substrate for direct mechinically or adhesive applied roof systems. Product evaluation code report 14076.

However when a lightweight structural concrete lwsc roof deck is poured in place it uses significantly more water. Lightweight structural concrete is used in roofing related appli cations for cast in place concrete roof decks using removable forms. Hard rocks with a low water absorption rate and weighs approximately 2403 kg m 3 150 lb cf. Beneath the roof cover structural concrete roof decks are commonly topside insulated using adhered insulation panels or cast in place lightweight insulating concrete.

Light a lighter weight solution than poured concrete that can reduce the use of steel in the overall structure. They are often however part of a building design when future above roof level floors are contemplated. The end result of the structural lightweight mix is a deck that can be 20 25 lighter than standard structural concrete. Structural panels concrete roof deck is an innovative technology designed to provide a structural roof sheathing without the need for thermal barriers pouring setting or curing which resolves the latent moisture issue commonly found in roofing with poured concrete.

1 2011 structural lightweight concrete roof decks suggests its contractors pro vide the designer of record and gener al contractor with a copy of the mrca bulletin that discusses issues on mois ture in concrete along with having them review the american concrete institute aci document aci 214r 03 guide for. The normal weight concrete employs standard aggregates i e. With standard structural concrete the aggregate used is sand and stone. Composite roof decks where a metal form deck remains in place.

Roof assembly installation can occur immediately following the installation of our roof deck panels.