AirGuard Underlayment with Microban

ITEM # 70-105-1 70-105
COVERAGE 630 sq. ft. per roll 100 sq. ft. per roll
LENGTH OF ROLL 189 ft. (2268″) 30 ft. (360″)
THICKNESS 2 mm 32 mm
WEIGHT PER ROLL 21 lbs. 3 lbs. 10 oz.
DIAMETER OF ROLL 16-1/2″ 7-1/8″

Lifetime Warranty made in USA

ROBERTS® AirGuard® Premium Underlayment is a comprehensive protection system for use under laminate and engineered wood flooring. Compatible with most radiant heat systems, AirGuard features innovative Air Flow Technology, and is the only underlayment to include MICROBAN® Antimicrobial Protection to safeguard your floors against mold, mildew and odor-causing bacteria.

Installation Guide (EN/FR/ES) PDS SDS Warranty




  • 3 layer design protects floating laminate and floating engineered hardwood flooring
  • Bottom layer: permeable film that wicks moisture up from concrete or wood subfloors
  • Middle layer: thousands of cushioning, stabilizing polyshims that support the finished flooring
  • Top layer: impermeable film that keeps moisture away from flooring
  • Patented Air Flow Technology for constant air movement to safely release moisture away from flooring
  • Microban antimicrobial product protection inhibits the growth of stain- and odor-causing bacteria, mold and mildew
  • Superior moisture protection for above, on, and below grade
  • 40 in. wide x 30 ft. long x 2 mm thick for 100 sq. ft. coverage
  • 4 in. overlap seam with adhesive strip seals out moisture for added protection
  • Minimizes the ambient sounds in the room and reduces the transmission of impact sounds into the room below – STC rating of 67 and IIC rating of 68
  • Compatible with radiant heated floors
  • Provides floor insulation with a 0.39 R-Value
  • moisture protection icon

    MOISTURE PROTECTION Protects floors from moisture vapor

  • sound reduction icon

    SOUND REDUCTION Provides deep, rich sound

  • premium cushioning icon

    PREMIUM CUSHIONING Makes flooring softer to walk on

  • mold protection icon

    MOLD PROTECTION Constant air movement inhibits mold growth

  • radiant heat icon

    RADIANT HEAT Added R-Value to chilly floors