Surfaced-four-sides red oak board milled from North American hardwood and dressed smooth on all four faces, so it arrives ready for layout, cutting and finishing without an initial pass through a planer or jointer.

Red oak is an open-grained hardwood with a pronounced ring-porous figure and a warm reddish-brown cast. It machines cleanly, holds screws and joinery well, and takes stain and clear finish predictably, which is why it remains the default species for interior trim, stair parts and built-in casework.

Nominal 5/4 stock is dressed to a finished thickness slightly under its nominal call-out, in the way of all surfaced lumber. Wide boards of this kind are typically used for shelving, stair treads, wide casing and panel glue-ups where a single full-width piece avoids a seam.

Key Features

• Solid red oak hardwood, not a veneered or engineered panel
• S4S - surfaced on all four sides for consistent thickness, width and square edges
• Open, ring-porous grain that accepts stain, dye and clear topcoats
• Dense hardwood that holds fasteners and cut joinery such as dadoes, rabbets and mortises
• Can be ripped, planed, routed and moulded into custom profiles on site or in the shop
• Wide board width suits shelving and glue-ups without an intermediate seam
• Sold as an individual piece

Applications

• Interior trim, casing and wide baseboard
• Stair treads, risers and landing nosings
• Shelving and closet systems
• Cabinet and built-in face frames, stiles and rails
• Furniture components and table or bench tops
• Custom moulding profiles run on a shaper or router table
• Panel glue-ups and edge-banded hardwood tops

Product Details

• Product Type: Hardwood board
• Species: Red Oak
• Material: Solid hardwood
• Surfacing: S4S (surfaced four sides)
• Nominal Thickness: 5/4 in.
• Nominal Width: 12 in.
• Length: 13 ft.
• Finish: Unfinished

Specifications

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