Sound Barrier is a dual layer three function material. 1.Sound blocking with is .75lb/ft2 mass loaded barrier 2.Sound absorbing .5' layer non-woven 3.Heat blocking non-woven Bonded together these materials make for a single all-around high-performance material, perfect for installation under carpet, inside doors and other areas. We recommend using our DEI transfer tape (50205)to hold the material in place and make for a clean installation Weight, FSTM191.5041,120 oz/yd2 Thickness, FSTM191.5030 .55'+- .14' Vertical Flammabilty, FAR 25.853. After Flame 0.0/.06 Seconds. Burn Length .6/.5 Inches Tensil, FSTM191.5102 20.4/21.6 Lbs +- 2.4lbs Elongation, FSTM191.5102 61/63 % +- 30 Tear, FSTM191.5134 ,4.1/4.8 Lbs +-1.3lbs
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