When installing structural panels, you should always follow the manufacturer’s instructions. You can also liaise with your design professional and consult The Engineered Wood Association (APA) guide E30V which you can download here. We have included some tips to keep in mind when installing OSB wood structural panels.
While you should always adhere to the manufacturer’s installation instructions, there are some general guidelines provided by the NWFA that apply to most subflooring installations. There are a number of subflooring options available and you can speak with your design professional to find one that suits your climate, needs and budget.