First step umderlayment

First step umderlayment



  • Price based on per sqft.sold by the roll
  • 2mm thick
  • 100 sqft per roll
  • First step premium 3-in-1 underlayment for floating floor
  •  inhibits mold growth
  • Seals out moisture to protect flooring
  • adhesive strip and 4 in. overlap film for linking multiple rolls
  • Sound transmision STC rating of 67
  • Impact Sound Transmission (IIC) rating of 68
  • R-Value .40
  • ideal for use with radiant heated floors
  • Designed for use on concrete floors