100 sq.ft. Fanfold 4 ft. W x 25 ft. L x 5 mm T Underlayment for Laminate and Engineered Hardwood

5mm Floor Comfort maximum underlayment provides maximum thermal insulation, smoothing of sub floor imperfections and sound improvements in room and below. This advanced fanfold technology underlayment offers grid pattern for easy to cut, fanfold technology that lays flat, and lip & tape to seal seams for a DIY-friendly install. 5mm Floor Comfort underlayment provides cushioning for maximum comfort and it's made from recyclable components. Maximum thermal insulation for a warmer more comfortable floor Maximum smoothing of subfloor imperfections Maximum sound improvements, reduces noise in rooms and to rooms below Maximum moisture protections, helps protects your floor and guards against mold and mildew DIY-friendly advanced fanfold technology that is easy to install Easy to cut with printed grid pattern and one pack covers 100 sqft