Soundproof your floors with this Technofloor acoustic membrane underlay for flooring. This rubber underlayment is a suitable option for wood or concrete floors. For an easy installation, simply align the seams and secure them with tapes. Cut this underlay to size using a standard utility knife. Made of rubber, the underlay features a dense vapour barrier, which ensures added moisture protection. This Technofloor acoustic underlay with thermal insulation is mildew and mould resistant, which ensures good indoor air quality. Its 2/25-inch thickness provides thermal insulation and sound dampening benefits. Use the underlayment to help maintain support and reduce any subfloor imperfections. Manufactured from recycled fibres, this underlayment is environmentally friendly. This acoustic underlay membrane with a coverage area of 100 sq. ft. is 25 ft L x 4 ft W.