Plywood is suitable for a variety of end uses. including subflooring, single-layer flooring, wall, and roof sheathing. sheathing ceiling/deck, structural insulated panels. marine applications, siding, webs of wood I-joists, concrete forming, pallets. industrial containers, mezzanine decks, and furniture.

Plywood applications are numerous, so you can use whichever type you deem fit based on the project you’re building. However, to make shopping for plywood online easier, most suppliers. Or lumber stores will break down their plywood into basic building materials categories.

Structural plywood or exterior plywood is designed. for permanent use in building structures like beams, subfloors. bracing for walls or roofs. and in any other instance where strength and stability are vital. Structural plywood is often quite thick. made of softwood species and without an attractive finish. The majority of veneer core structural plywood is moisture-resistant.

Exterior plywood is going to be strong, but most. It’s designed for water resistance and weather exposure. Adhesives used in Exterior plywood withstand water. and harsh sunlight for longer without degradation. But, Exterior plywood that will be exposed to the elements. Engineered wood exterior plywood will still need a surface treatment (e.g., waterproof sealant), as it is designed to be covered with siding, flooring, roofing, etc.

Interior (decorative) plywood is usually chosen for its looks rather than its strength. You’ll find Interior plywood ideal for household home improvement projects like wall paneling, ceilings. and ceiling treatments (e.g., coffered ceilings), cabinets, and furniture. Interior plywood should not be used for structures, nor should interior plywood used outdoors.

If you’re looking for a beautiful look. Consider skipping softwoods and selecting an interior hardwood product instead. Hardwood plywood is a budget-friendly way of getting a stunning real wood finish. without the price tag of solid wood.