High-density overlay plywood for smooth, durable surfaces in exterior construction projects.

The 5/8 in. HDO Plywood is designed for strength, weather resistance, and a smooth surface ideal for concrete forms, siding underlayment, and exterior sheathing. Trusted by NYC contractors for consistent quality and reliable performance.

Product Specifications

• Nominal Thickness: 5/8 in. (actual thickness approx. 19/32 in.)

• Size: 4 ft x 8 ft sheet

• Type: High-Density Overlay (HDO)

• Surface: Smooth, exterior-grade overlay

• Material: Structural plywood, suitable for wet or dry conditions

Common Uses

• Concrete formwork

• Exterior siding underlayment

• Roof and wall sheathing

• Temporary construction surfaces

• Residential and light commercial projects

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