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What are concrete structural insulated panels?

In: Concrete and Cement [Edit categories]

Answer:

Some concrete structural insulated panels are sandwich panels. These have layers (also called wythes) of:

structural concrete (designed to bear the loads once the panel is installed)
insulation (usually foam such as polystyrene, extruded or expanded)

and may also have layers of:

non structural concrete (on the other side of the insulation from the structural concrete)
wall lining materials
waterproofing

The wythes of concrete are structurally attached to each other with jointers through the insulation wythe, that are made from strong materials with a low thermal conductivity (such as fibreglass) to reduce the thermal bridging of the insulation.

The panels are made by pouring concrete on beds at concrete precasters or on a suitable area such as a floor slab on site, and are built up in these layers.

There are several proprietary brands of jointers and various panel design options.

First answer by Hawkspur. Last edit by Hawkspur. Contributor trust: 260 [recommend contributor ]. Question popularity: 2 [recommend question].

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