Medium Density Overlay (MDO)

Overlaid Panels (HDO and MDO) Demanding applications such as concrete forming, exterior siding, and industrial containers require tough building materials. APA trademarked High and Medium Density Overlay plywood (HDO and MDO) combine the toughness of Exterior-type plywood with the superior wear of an overlaid surface. These features place HDO and …

Medium Density Overlay (MDO) MDO is made with a high-quality paper that is saturated with phenolic resin and overlaid on exterior-grade plywood panels. Specially selected veneers, beneath the overlay, provides a smooth surface ideal for painting. MDO is manufactured with waterproof resins that meet or exceed all veneer-grade, adhesion, and construction …