A new guide that provides recommendations for plywood and OSB floor systems in Canada is available from APA – The Engineered Wood Association. Engineered Wood Floor Systems: Construction Guide for Canada, Form R300, provides specification recommendations for plywood and OSB floor systems under carpet and pad, hardwood flooring, lightweight concrete, vinyl, and ceramic tile.

The guide includes options for floor systems with thicker sheathing panels and describes the APA Glued Floor System. Installation recommendations for panel subflooring and underlayment are also covered. All of the specification and installation information is based on the requirements of the National Building Code of Canada and the Canadian Standards CSA O325, CSA O151, CSA O121, and CSA O153.

A French-Canadian edition of the guide will be available later this year.

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