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  • Writer's pictureJessica Foster

What does exposure have to do with plywood?

Many factors come into play in creating a renovation project. The types of materials picked out for siding, roofing, etc, are crucial to a remodeling project’s success. However, what material works best can differ depending on certain scenarios, such as situations where exposure is guaranteed to happen. What’s more, there can be variations within one type of material that make it more suitable given the environmental context.

Plywood has different ratings based on exposure, categorized as exposure 1, interior, and exterior. The difference noted is classified based on the adhesive used in creating the wood panels and the material’s composition, with each category depending on how waterproof the glue is. For example, interior plywood has an adhesive that can’t withstand certain moisture conditions. According to the American Plywood Association, interior panels are rated for an in-service moisture content of less than 16%. As the name implies, this rated wood should be interior-use only.

The difference between exposure 1 and exterior wood isn’t as straightforward; both woods are designed with exposure in mind but not to the same extent. Exterior panels have a waterproof bond and are able to withstand ongoing exposure to moisture, while exposure 1 panels should only be temporarily exposed to the elements during construction before a house wrap and siding is installed. At Fine Remodeling, we are your Delaware contractor experienced with how exposure will affect a project and how to confront the issue.

E-mail and/or call 302-635-0375 to have a specific discussion about your dream project. It's our duty to help guide you as best we can.

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