Sound Suppress jGh014A2 100 sq. ft. 4' x 25' x 0.125" Premium PET Underlayment for Laminate & Engineered Wood Floors For use under floated laminate, bamboo, engineered and hardwood floors Sound suppression cushioning and noise reduction Easy installation and lightweight 100 sq. ft. coverage with rolls 48" x 25 ft. Sound suppress 100 sq. ft. 25 ft. x 48" x 2.5 mm premium underlayment for laminate and engineered