Forbo Underlayment Plus All-In-One Acoustic and Water Defense Barrier 3' x 33.4' (100 SF/Roll)

Forbo Underlayment Plus is the advanced, all-in-one acoustic underlayment and water defense barrier designed specifically for use with Marmoleum Click Cinch LOC SEAL and Forbo QuickFit systems. Proudly Made in the USA, this solution replaces legacy products with a high-performance recycled fiber pad that provides superior moisture protection and comfort underfoot.

Features & Benefits

• Comprehensive Water Defense: Features a built-in Class I vapor barrier (equivalent to 6mil poly sheeting) that protects floors from topical liquids and subfloor moisture.
• Advanced Sound Absorption: Patented fiber construction controls both impact and ambient sound, boasting an IIC rating of 70 and an STC of 62.
• Antimicrobial Protection: Treated fibers inhibit the growth of mold and mildew while wicking moisture up and away from the subfloor.
• Thermal Comfort: Adds an R-value of 0.53 to your floor system, providing warmer floors and compatibility with in-floor radiant heat systems.
• Subfloor Leveling: The dense 1.4mm fiber pad smooths minor subfloor imperfections and resists compression to support click-together locking mechanisms.
• Eco-Friendly & Safe: LEED compliant and GREENGUARD Gold certified for low chemical emissions.

Product Specifications

• Thickness: 1.4mm
• Weight: 9 lbs per 100 sq. ft. roll
• Perm Rating: 0.06
• Compression Resistance: 64.58 psi
• Materials: Blended recycled synthetic fibers with polyethylene film
• Installation: Includes integrated lip and tape for easy sealing

Approved Subfloors

Suitable for all properly prepared concrete and wood subfloor materials. This underlayment manages concrete vapors and offers high pH resistance to protect against alkaline damage.