Natural cork underlayment available in sheets and rolls of various sizes and thickness:
Sheet Size 960 x 640mm /915 x 610mm
Roll Size 1220 x length (mm)
Thickness 0.8-95mm (Sheet) /1-6mm (Roll)
Density 190kg/m3 – 210kg/m3 (11.7lb/ft3 – 12.5lb/ft3)
Binder Resin of polyurethane
Base Composition of cork granules size 1-3
Tensile Strength 5-8kg/m2
Recovery 75%
Flexibility ASTM F5: Pass
Floatation None after 3 hours immersion in boiling water
Thermal Insulation 0.042kcal/m3h0C
Acoustical Rating With Cork 6mm
Ceramic
Wood Finish
Finish
STC llC STC llC
Concrete Slab 8” 58 60 56 62
Concrete Slab 6” 53 58 54 59
Concrete Slab 4” w/Steel
60 64 60 65
Deck
Wood Joist Construction 54 59 54 60
Fire Behavior Cork underlayment is a fire inhibitor which neither spreads flame nor release toxic Gases on combustion
Dimensional Length & Width: +/-0.5mm
Tolerance Thickness: +/-0.2mm
Packing: Each in sigle package with export paper carton wrapped rolls able guarantee inside not to be wared and dirty.
Cork underlayment can be installed under any kinds of floor covering as best choice for sound insulation and moisture absorption and reduction, which also can prevent the flooring covering and the subfloor from rot and degradation. 100% Cork Composition Roll and Flexicork Sheets can be used for:
·Underlayment·Sound reduction insulation·Stress crack suppression·Scratch protection for furnishings, floor and wall·Memo boards ·Art projects·Mats ·Wall coverings
100% natural cork material underlayment in sheet and roll