PACKS OF 10 SHEETS- FREE DELIVERY TO UK MAINLINE The original BLUE - STYROFOAM Extruded Polystyrene Insulation boards are designed specifically for use with electric underfloor heating systems, very high compressive strength (30 tonnes / m2), light weight, high efficiency and low cost make this thermal board an ideal choice when fitting heating on to a poorly insulated concrete or screed base and works excellently with underfloor heating underwood and under tile systems. Insulation boards come with 50 year warranty. Supplied in grey colour.
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