Polystyrene Roof Slabs

A filter fabric is placed on top of the polystyrene.

Polystyrene roof slabs.

The polyroof insulation boards are cut and tightly packed on top of the waterproofing layer. Expanded polystyrene is made from expandable polystyrene which is a rigid cellular plastic containing an expansion agent. 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. Engineered for use on heavyweight decks e g.

A 50mm layer of stone is placed on top of the filter fabric to ballast it. They come in different measurements both in width and thickness and they can be used in any part of your home. In nigeria clay hollow pot and sandcrete blocks have been successfully used but on the rise is the polystyrene. Find polystyrene ceiling tiles at lowe s today.

The concrete slab is cast step 2. Polystyrene sheets are the best for roofing and wall building because they resist water preventing leakage in your homes. The raw material is heated in special machines called pre expanders with steam at temperatures of between 80 100c.