Roberts 70-102 First Step Premium 3-in-1 Underlayment, 630 sq. ft. Roll

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Sound resistant underlayment for use under all laminate and engineered hardwood floating floors. 630 sq. ft. per roll.


In the growing market of laminate and engineered hardwood floating floors, the biggest concerns are noise/sound and water/mold damage. Roberts Underlayments are engineered to meet the highest standards in sound reduction, moisture protection, comfort and even minor sub-floor corrections.

  • Use under all laminate and click-lock floating floors
  • For concrete slabs and wood subfloors (on grade or above grade).
  • Ideal for basements, condos and multi-level dwellings
  • Excellent moisture resistant barrier
  • Reduces ambient noise
  • Includes adhesive strip and 4in. overlap film for linking multiple rolls
  • Can be used over radiant heat
  • Outstanding compression resistance over time
  • Creates a pocket of constantly circulating air which inhibits mold growth.
  • IIC rating of 68, STC rating of 67, R-Value of 0.39

First Step…The first step to a healthy floor!

Item Code: 70-102-1
Unit of Measure: Roll
Coverage: 630 sq. ft. per roll
Width of Roll: 40"
Length of Roll: 189 feet (2268")
Thickness: 1/8"
Weight per roll: 21 lbs.
Diameter of roll: 16-1/2"

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