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What type of insulation will give me the best all round performance? |
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Load bearing boards of extruded polystyrene foams will give the best
all round performance.
Polystyrene has high thermal insulation
properties, high compressive strength, capable of supporting normal foot
traffic. It is waterproof, rot resistant, lightweight, easy to handle, easily
cut and shaped with a sharp knife and are available in various depths from
6mm to 60mm at a low cost.
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