SurePly ® - Premium Underlayment

For the last 30 years, SurePly® plywood underlayment has proven to be the clear industry leader in performance, value, and quality for premium plywood underlayment.

  • Backed By Our Lifetime Warranty¹ for residential and non-rated commercial installations.
  • Proven Performance - More than 600 million square feet of SurePly® plywood underlayment has been installed since its product launch in 1990 - enough to support over 10,000 football fields of flooring.
  • Flooring Industry Approved - SurePly® plywood underlayment has been tested and approved by Armstrong®², Congoleum®, IVC US®, Mannington®, and Tarkett® for use with their flooring. SurePly® 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 - SurePly® 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 SurePly® plywood underlayment come from plantation and sustainable wood sources. SurePly® plywood contains no tropical woods or species from endangered forests.
  • NGBS Green Certified - SurePly® 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 - SurePly's center core, face, and back are all made from premium grade wood veneers and are finely sanded for a consistent, excellent working surface.
  • Delamination-Free, Solid, Uniform Core - SurePly® plywood underlayment is manufactured using state-of-the-art technology and multiple quality inspections to ensure that the veneers will not separate. Each piece is guaranteed to have a tight, uniform core.
  • No Bleed-Through - SurePly® plywood underlayment is selected for veneer consistency and will not bleed through to your floor.
  • Best Packaging In The Industry - All crates of SurePly® plywood underlayment include two layers of packaging for complete product protection and damage-free arrival.
  • Easy To Use - No special tools are required for SurePly® plywood underlayment installations. Score and Snap SurePly® panels with a knife and straight edge to quickly make the panel the size you need on the job.
  • EPA TSCA Title VI Compliant
  • Approximate Panel Weights:  4' x 4' = 10 lbs.  /  4' x 8' = 20 lbs. 
  • Available Sizes: 4' x 8' and 4' x 4'. All panels are 1/4" nominal thickness.
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Additional SurePly® Plywood Underlayment Links:

¹ Please read our SurePly® plywood underlayment warranty for full details.
² Please contact Patriot Timber Products, Inc. 
³ Panels are designed for interior and weather protected flooring applications only (not for direct exterior exposure).

SurePly® panels are protected by one or more issued and pending U.S. and foreign patents, which may include U.S. Patent Nos. 8,414,996 and 9,242,391.