Heavy Wool Serge – 630gsm

90% Wool/10% Other Fibres – 630gm/m², 650gm/m²

Heavy Quality Black
183cm/72″
IFR: BS5867

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Test Reports

SOUND ABSORPTION : ISO 354 – 2003
CLASS B : RATING αw = 0.80 : @ 200mm Flat
CLASS C : RATING αw = 0.75 : @ 100mm Flat