Carpenter underlays are permable and can be laid over a wood block floor.
FirmStep
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Classified to BS 5808 Heavy Contract Use ideal for use when professional stretch fit and double stick installations are required
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Density 145KG/M3
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Decibel Reduction Delta Lw:36dB
Size |
1.37mtr x 11mtr (15.07m2) |
Thickness |
7mm |
Ref |
CFS3 |