ROBERTS Thermawave Underlayment is an acoustical barrier and insulating layer for floating wood flooring. The aluminum backing provides both moisture protection and thermal insulation, while the 2 mm foam provides excellent sound reduction and shock absorption. Thermawave's fanfold design eliminates corner curling and rerolling, allowing for easier, faster installation. Acoustical barrier for laminate, engineered wood and click-lock bamboo flooring. Aluminum backing provides thermal insulation to keep floors feeling warmer. 2 mm thick, dense foam designed for supreme sound reduction and shock absorption. Vapor barrier film for extra moisture protection and resistance to mold and mildew. IIC rating of 69 and STC rating of 65.

• Acoustical barrier for laminate, engineered wood and click-lock bamboo flooring
• Aluminum backing provides thermal insulation to keep floors feeling warmer
• 2 mm thick, dense foam designed for supreme sound reduction and shock absorption
• Vapor barrier film for extra moisture protection and resistance to mold and mildew
• Unique folding design eliminates curling and rerolling