Insulayment 100-sq ft Premium 3 mm Flooring Underlayment House/Office Key with batteries (batteries not included) Ideal smoothly dimmable LED

Insulayment 100 sq ft Premium 3 mm Flooring Underlayment House Office Key with batteries (batteries not included) Ideal smoothly dimmable LED with batteries (batteries not included) for operator comfort Sink Width 14 in 4 Square Foot Coverage 100 For Use with Laminate Yes Cushioning Yes Mold Mildew Resistant No Sound Absorbing Yes For Use with Porcelain Yes Antimicrobial Yes For Use with Vinyl Plank No For Use with Hardwood Yes IIC Rating 56 60 but flexible enough to form around sub floor surface roughness that may otherwise cause laminate panels to "rock" or lay unevenly Approved for in floor heating systems the patented process used to make Insulayment creates a three dimensional fiber matrix that allows heat to permeate evenly while helping to protect the floor covering material from thermal shock Insulayment adds a thermal "break" to flooring assembly with an r value of approximately 0