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A regular pattern of 10mm round perforations at 23mm centres combine to give Class C sound absorption and aw up to 0.65. 14.8% perforated area.
Product code : 56CMRT1023
A regular pattern of 12mm round perforations at 25mm centres combine to give Class C sound absorption and aw up to 0.70. 18.1% perforated area.
Product code : 56CMRT1225A
A regular pattern of 12mm square perforations at 25mm centres combine to give Class B sound absorption and aw up to 0.85. 23% perforated area.
Product code : 56CMRT1225Q
A regular pattern of 12mm and 20mm round perforations at 66mm centres combine to give Class C sound absorption and aw up to 0.70. 19.6% perforated area.
Product code : 56CMRT122066
A regular pattern of 15mm round perforations at 30mm centres combine to give Class C sound absorption and aw up to 0.70. 19.6% perforated area.
Product code : 56CMRT1530
Gypsum boards perforated with regular or random patterns with sound absorbent black tissue as standard.
Product code : 56CMRT818A
Product code : 56CMRT818Q
Product code : 56CMRT81520S
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