Minimize interior noise and vibration while safeguarding your sub-base from substrate cracks using TruSilient premium quality rolled rubber underlayment. This rubber underlay surpasses leading flooring underlayment types, including cork, in performance. Constructed from 94% recycled rubber, it is specifically designed for placement under hard flooring surfaces where exceptional sound control is necessary, achieving an impressive HIIC rating of up to 63. Enhances sound dampening and diminishes vibration Offers superior impact cushioning Resistant to mold, bacteria, fungi, and water Surpasses the performance benchmarks in point load tests for crack isolation membranes Certified by Floorscore® Eligible for LEED® Points Product Specifications: Type: Rolls Installation Method: Tape or Glue Available Sizes: 3mm: 4' x 50' 7mm: 4' x 21.5'