20oz Underlay 36" used to protect fabrics getting torn or punctured from seat spring in furniture or automobile seating. We stock 3 different thickness, where heavy traffic uses like restaurant's would want to use the 40 oz underlay where as a seasonal cottage can use the 20 oz because of low traffic.
Thickness is 0.28 inch.
Density is 5.0 lbs./cu.ft.
Flame Spread Rate is 20.
Smoke Density is 20.
Weight: 20.00 ounces per square yard
Width: 36"
Put Up 25 yards.
Sold per running yard.
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