Heavy Wool Serge – 650gsm

90% Wool/10% Other Fibres – 650gsm/m²

Heavy Quality Black
183cm/72″
IFR: BS5867

Test Reports

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