Posted on October 7, 2015October 8, 2015 by adminTechnical Specifications 3/4″ x 4′ x 8′ Sheets Flexural Modulous (ISO 178): 3328 MPa Breaking Failure (Bending): 814 N Screw Withdrawl (No. 8): 2008 N Polystyrene/ LDPE Blend Chemical Resistent Plastic Plywood is 100% waterproof!