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.

• 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 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
• 40 in. wide x 90 ft. long x 2 mm thick for 300 sq. ft. coverage
• 40 in. wide x 189 ft. long x 2 mm thick for 630 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 i
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