Roberts Roll

The Roberts blackjack 2-in-1 underlayment is designed for use under floated laminate, bamboo, and engineered wood floors and is ideal for many subflooring types. Blackjack is engineered as a superior grade, 2-in-1 underlayment with a 2.5 mm thick foam layer that provides optimal cushioning and sound absorption, as well as a closed-cell foam design that offers excellent moisture vapor resistance. The underlayment also features a 4 in. Overlap and adhesive strip to seal out moisture and join multiple rolls.
Features
Ideal for use over radiant heated floors
Easy installation with a plastic overlap and adhesive strip
The dense, closed-cell structure offers moisture, mold, and mildew resistance
Offers to cushion, along with a reduction in the sound transference
Product type: flooring underlayments
Material: Other
For use under floated laminate, bamboo, and engineered wood floors
100 sq. ft. coverage with rolls measuring 43 in. x 28 ft.
LIC (impact sound transmission test) rating is 70, STC (sound transmission loss test) is 66, and the delta rating is 21
Roberts collection
Material details: Foam
Quiet Walk: Yes
Water resistant details: Provides moisture resistance
Surface installation: yes
Underlayment surface types: wood; concrete
IIC rating: 68
STC rating: 65