Projects in Europe may instead use products compliant with emissions class E1 as Tested per EN 717-1 or EN 16516.

Projects in Canada may instead use wood structural panels and structural wood products manufactured according to one of the following Exposure 1 or Exterior standards.  CSA O121 for Douglas fir plywood, Canadian Standards Association, CSA O151 for Canadian softwood plywood, CSA O153 Poplar plywood, CSA O325 for Construction sheathing)

Projects in Australia may instead use AS/NZS 2269, Plywood-Structural, Standards Australia

Projects in Europe may instead use wood structural panels and structural wood products manufactured according to EN 636 3S, Plywood-Specifications, European Committee for Standardization (CEN).

*** Updated 4/9/21 to include EN 16516

***Update 7/29/22: Projects in Japan may instead use products compliant with Japan Four-star.