Polystyrene Roof Slabs

The major advantage of ribbed slab with permanent blocks is the reduction in the quantity of formwork required given the fact that strength of the blocks is normally not assumed to contribute to the strength of the slab in design.

Polystyrene roof slabs.

Find polystyrene ceiling tiles at lowe s today. Polystyrene sheets are the best for roofing and wall building because they resist water preventing leakage in your homes. Reinforced concrete with a ballast layer of gravel or concrete slabs styrofoam brand roofmate insulation helps the roof membrane maintain a steady temperature minimizing the harmful effects of freeze thaw cycles weathering and physical damage during and after construction. The raw material is heated in special machines called pre expanders with steam at temperatures of between 80 100c.

In nigeria clay hollow pot and sandcrete blocks have been successfully used but on the rise is the polystyrene. The concrete slab is cast step 2. They come in different measurements both in width and thickness and they can be used in any part of your home. A 50mm layer of stone is placed on top of the filter fabric to ballast it.

Engineered for use on heavyweight decks e g. The density of the material falls from some 630kg m3 to values of between 10 and 35kg m3. A filter fabric is placed on top of the polystyrene.