Patriot Timber Products' SurePly Premium Plywood Underlayment has received an “Extra Heavy” classification per the ASTM standards for ceramic tile installations by the Tile Council of North America (TCNA).

The TCNA sets international standards for the ceramic tile industry. TCNA’s leadership and recommendations are recognized throughout North America as the authoritative voice on the manufacture and installation of ceramic tile. The TCNA’s rigorous laboratory testing procedures and approval process provide objective results for industry professionals in the United States, Mexico, and Canada.

For more than 20 years, SurePly Premium Plywood Underlayment has been the industry leader in performance, value, quality and product support for Birch plywood underlayment. More than 450 million square feet of SurePly Premium Plywood Underlayment has been installed since its product launch in 1990.  

The TCNA’s “Extra Heavy” classification of SurePly Premium Plywood Underlayment per the ASTM standards provides industry professionals with the confidence that SurePly is the right choice for their next ceramic tile flooring project. The laboratory-tested results and expertise of the TCNA further validate the usage of SurePly® and strengthen Patriot Timber Products’ position as an industry leader.