Cal-Flor's SilverStep underlayment is folded in an accordion style to speed up the installation process by lying flat and not curling or re-rolling. This underlayment has a printed grid on top， which makes laying and trimming to fit a room easier. SilverStep's cross-linked (closed cell) foam provides superior protection from both moisture and sound (noise) sources (IIC 72; STC 66). The extra thick pad provides good thermal insulation properties and makes it especially suited for subfloors with a rougher than normal finish. This underlayment can be used on radiant heat floors.
Double protection: 3.2 mm cross-linked polyethylene foam with added film barrier
Superior sound-dampening: IIC 72; STC 66
Accordion folded ensures that underlayment will lay flat during installation
Positioning tape seals out moisture and speeds up installation
Unfolds to 43 in. x 28 ft. x 3.2 mm for a total of 100 sq. ft.
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