Vermiculite Concrete Roof Deck

The lighter the concrete the better lower the k factor.

Vermiculite concrete roof deck. Vermiculite is a form of mica that expands when heated. Vermiculite concrete roof screeds are suitable for concrete flat slab low pitched and barrel vault roofs and those constructed of wood wool slabs hollow tile or pre cast concrete beams. Vermiculite concrete roof deck systems allow architects engineers and contractors versatility in design high performance and reasonable cost. These systems will use a lightweight concrete consisting of portland cement water and vermiculite concrete aggregate.

Beneath the roof cover structural concrete roof decks are commonly topside insulated using adhered insulation panels or cast in place. Zonolite when mixed with a portland cement binder in lieu of sand gravel aggregate and gravel aggregate produces a lightweight insulating concrete. Vermiculite is formed by hydration of certain basaltic minerals. Vermiculite concrete roof deck systems allow architects engineers and contractors versatility in design high performance and reasonable cost.

Vermiculite for roof decks can be placed over various kinds of form boards fiber fiberglass acoustical and asbestos cement. Goodwin in concrete energy conservation guidelines publication eb083 01b of the portland cement association. These systems will use a lightweight concrete consisting of portland cement water and vermiculite concrete aggregate. Roofs decks over metal profile decking.

Vermiculite concrete roof deck systems allow architects engineers and contractors versatility in design high performance and reasonable cost. Pig pens and farrowing pens. Structural concrete deck a cast in place concrete deck serves as an integral part of the structure and is designed to carry heavy loads normal weight concrete is typically used for cast in place construction. Over dense concrete roof and floor slabs.

Normal weight concrete is typically used for cast in place construction. The most common use of vermiculite lightweight concrete is for light structural roof decks and for insulation fill over metal decking and structural concrete. The bag in which the perlite or vermiculite is purchased recommends the mix proportions needed to achieve various unit weights of fresh concrete and oven dry concrete. Vermiculite concrete and screeds are ideal for.

Beneath the roof cover structural concrete roof decks are commonly topside insulated using adhered insulation panels or cast in place lightweight insulating concrete. Zonolite lightweight insulating concrete. R values have been given on a slightly different normally dry unit weight basis by stanley e. Structural concrete deck a cast in place concrete deck serves as an integral part of the structure and designed to carry heavy loads.

Large commercial vermiculite mines currently exist in south africa china brazil and several other countries.