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. Polystyrene sheets are the best for roofing and wall building because they resist water preventing leakage in your homes. The polyroof insulation boards are cut and tightly packed on top of the waterproofing layer. A 50mm layer of stone is placed on top of the filter fabric to ballast it. In nigeria clay hollow pot and sandcrete blocks have been successfully used but on the rise is the polystyrene.

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 concrete slab is cast step 2. A screed to fall layer is cast on top of the slab for run off step 3. They come in different measurements both in width and thickness and they can be used in any part of your home.

Expanded polystyrene is made from expandable polystyrene which is a rigid cellular plastic containing an expansion agent. Find polystyrene ceiling tiles at lowe s today. The raw material is heated in special machines called pre expanders with steam at temperatures of between 80 100c.