EcoTherm's 4 in 1 flat roofing insulation board - for use with any hot applied roofing systems including:
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Roll and pour felt
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Bituminous single ply membranes
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Torch on felt
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Asphalt
Available as standard as a 1m2 board (1200mm x 834 mm) this versatile board is simple to order and quick and easy to lay.