Modulus of rupture (MOR) and modulus of elasticity (MOE) are the most important mechanical properties of load-bearing plywood applications

FOLLOW THESE STEPS: Stand the plywood underlayment panel vertically with its 4′ edge on the floor and the panel face towards you (For SurePly® plywood and IronPly® plywood, the staple/nail pattern will be facing you. For RevolutionPly® plywood, the stickers are on the back of the panel).Grip the top of the panel edge with one hand and firmly place the palm of your …

New Test Method Now Available – APA Heat Performace Test PS 1-19 Section 6.1.3.4 Plywood Testing is now offering heat performance testing for structural plywood in accordance with the Engineered Wood Association (APA) standard PS 1-19, Section 6.1.3.4.  The PS 1-19 standard is a voluntary product standard that is used to assess the performance of structural plywood panels.  The heat performance …