IronPly ^® Premium Underlayment

A high quality floor should begin with a high quality plywood underlayment. IronPly^® plywood underlayment provides exceptional value and proven performance in a premium plywood underlayment.

• Backed By Our Lifetime Residential Warranty¹
• Flooring Industry Approved - IronPly^® plywood underlayment has been tested and approved by Armstrong^®², Congoleum^®, IVC US^®, Mannington^®, and Tarkett^® for use with their flooring. IronPly^® plywood uses an exterior glue bond³, as required by the major flooring manufacturers' warranties.
• Approved For Use Under These Flooring Products - Sheet vinyl, vinyl composite tile (VCT), luxury vinyl tile (LVT), luxury vinyl plank (LVP), ceramic tile, carpet, engineered flooring, cork floors, and wood floors.
• TCNA Tested - Extra Heavy Classification - IronPly^® panels received an "Extra Heavy" classification per the ASTM standards for ceramic tile installations by the Tile Council of North America.
• GO GREEN - All the wood veneers in IronPly^® plywood underlayment come from plantation and sustainable wood sources. IronPly^® plywood contains no tropical woods or species from endangered forests.
• NGBS Green Certified - IronPly^® plywood underlayment is certified for points toward ICC-700 National Green Building Standard™ (NGBS).
• Awarded Utility US Patent - U.S. Patent No. 8,414,996
• Awarded Method US Patent - U.S. Patent No. 9,242,391
• Premium Grade - The face, back, and core of IronPly^® plywood underlayment are made from premium grade wood veneers. All of the veneers are sorted and graded piece by piece to meet our stringent quality standards.
• Durability & Strength - IronPly^® plywood underlayment is cross-grain constructed for superior strength and durability, ideal for high traffic areas such as kitchens and bathrooms.
• Solid, Uniform Core - Every sheet of IronPly^® plywood underlayment has a sound, uniform core for superior wear and durability.
• No Bleed-Through - IronPly^® plywood underlayment panels are 100% uniform in color from sheet to sheet and will not bleed through to your floor.
• Easy To Use - IronPly^® plywood underlayment is manufactured to reduce preparation time during installation. A 100% straight-grained face contributes to the ease of cutting and the spread of adhesives. No special tools are required.
• Best Packaging In The Industry - All crates of IronPly^® plywood underlayment include two layers of packaging for complete product protection and damage-free arrival.
• Five-Point Inspection - IronPly^® plywood underlayment is manufactured using state-of-the-art technology and inspected five times to ensure the panels are free of delamination.
• EPA TSCA Title VI Compliant
• Approximate Panel Weights:  4' x 4' = 9 lbs.  /  4' x 8' = 18 lbs. 
• Available In These Convenient Sizes: 4' x 8' and 4' x 4' - no matter the size of your job, IronPly^® plywood underlayment has the right size panel to meet your needs. All panels are 1/4" nominal thickness.