Specification Sheet

SUNDRIES
Made in
U.S.A.
SILENTSTEP™ ULTRA 3 IN 1
for Laminate and Hardwood floating flooring
SLSSU
shawfloors.com
HS606 02.21.2017
Superior performance acoustical flooring underlayment
with unsurpassed sound absorption properties for use
with laminate and hardwood floating flooring.
Roll size 100 SF
Thickness .08" (2mm)
Tear Strength 4.9lbs
Density 6lbs./cu.ft.
Compression set 48.2%
Compression Resistance (lbs.@25%/65%) 39.3/101.8
Impact Insulation Class (IIC) rating 72dB
Sound Transmission Class (STC) rating 72dB
Attached Film Core Polyolefin Foam
Cell Structure 100% Closed
R value 0.34
Features Specifications
Installing SilentStep™ Ultra will extend the flooring wear
warranty by an extra ten years when it’s installed with any
Shaw laminate or hardwood floating flooring.
• High density 100% closed
cell polyolefin foam core
• Attached polyethylene
moisture barrier for
superior subfloor
moisture resistance
• Engineered for ideal
thickness – .08” (2mm)
• Seam overlap protection
with peel and stick adhesive
strip eliminating the need to
tape seams when installing
over concrete
• Stable, will not crumble or
deteriorate under flooring
• Excellent resilience
and resistance to tears
and punctures
• Does not absorb or trap and
hold subfloor moisture
• May be used over
concrete or wood
substrates on all grades of
approved subflooring