Roberts Unison 2-in-1 Underlayment for Laminate and Engineered Wood Flooring is designed with a 3/32 inch polyethylene foam for cushioning and a 2 mil. thick top film to protect from harmful moisture vapor. This product is designed to use for wood subfloors but can also be used with concrete slabs with recommended Moisture Barricade (Item# 70-115, sold separately). Unison's foam construction also reduces everyday surface noise. Also ideal for use over radiant heated floors. The adhesive strip and overlap make it easy to join rolls during installation.
1,500 sq. ft. coverage with roll measuring 375 ft. x 4 ft. x 3/32 in
To be used for wood subfloors
Can also be used with concrete slabs with recommended Moisture Barricade (Item# 70-115, sold separately)
Has a heat flow resistance R-Value of 0.29
Offers cushioning, sound reduction, moisture resistance and levels minor subfloor imperfections