2MM Heat Master Perforated Underlay (10M2 ROLL) SIGNIFICANTLY REDUCES NOISE FROM WOODEN AND LAMINATE FLOORING HELPS TO LEVEL OUT ANY MINOR UNEVENNESS IN THE SUBFLOOR PREVENTS OVER STRAINING OF THE FLOOR BOARDS COVERAGE PER ROLL/PACK 10m2 ROLL SIZE 2mm x 1m x 10m TOG RATING 0.35 IMPACT SOUND REDUCTION 20dB UNDERFLOOR HEATING Yes (Water based systems only) COMPRESSIVE STRENGTH Very Good HEAT TRANSFER RESISTANCE 0.035 k/w m²
