Underlay:

Color: Blue, black, etc.

Size: 1.1m(W)*16.9m(L), the width and length could be produced according to your request.

Weight: Your choice.

Roll: 100 or 200sqft/roll

Thickness: 2mm-4mm

Packaging: Roll in plastic bag

Loading: 1900rolls for one 40HQ(100sqft/roll) 3mm

1100rolls for oone 40HQ(200sqft/roll) 3mm

Function: It is perfect in sound-insulation and moisture-proof for laminate and hardwood floor.

STC and IIC rate could be 70dB