Product Guide: HDO/MDO Plywood

Applications such as concrete forming, exterior siding and industrial containers require durable building materials. APA trademarked High Density Overlay plywood (HDO) and Medium Density Overlay Plywood (MDO) combine the toughness of exterior-type plywood with the superior wear of an overlaid surface, making them some of the most durable construction materials available.

This publication is designed for: architects, engineers, designers, builders

This publication describes the properties of HDO and MDO plywood and applications where these panels are used. It also includes finishing recommendations and sample specifications.

Key sections include:

• HDO and MDO product descriptions

• HDO and MDO applications

• HDO and MDO properties and characteristics

• Woodworking techniques

• Specifications

• Example trademark

Published by APA — The Engineered Wood Association.