Red Oak — Quercus rubra
High, confirmed by the distinctive open grain pores, reddish-brown hue, growth ring patterns, and narrow strip flooring format common for mid-century American housing. confidence

Red Oak

Quercus rubra · Hardwood

Type
Hardwood
Origin
Eastern North America
Hardness
1220 lbf (Hard)
Durability
Moderately durable, with moderate resistance to decay and insects, though susceptible to moisture damage and staining as seen on the surface.

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Grain Pattern

Straight to irregular grain with a pronounced coarse texture and distinct growth rings typical of ring-porous hardwoods, mostly flat-sawn and quarter-sawn boards.

Color & Appearance

Heartwood is a pinkish to reddish brown with lighter sapwood, showing significant dark staining, wear patterns, and an aged amber patina under a degraded finish.

Hardness (Janka)

1220 lbf (Hard)

Durability & Decay Resistance

Moderately durable, with moderate resistance to decay and insects, though susceptible to moisture damage and staining as seen on the surface.

Value & Sustainability

Estimated Market Value
3.50 to 6.00 USD per board foot for standard flooring lumber
Wood Age Estimate
Mid-20th century (approximately 50 to 80 years old based on wear patterns, strip flooring dimensions, and finish breakdown)
Sustainability Status
Not listed on CITES appendices or IUCN Red List; widely abundant and sustainably harvested with FSC certification readily available.

Common Uses

Flooring, furniture, interior trim, cabinetry, and general construction.

Geographic Origin

Eastern North America

Workability

Works well with both hand and machine tools, though the coarse grain can cause tear-out on planer blades if not fed properly. Glues, stains, and finishes well.

Finish Recommendations

Polyurethane or traditional oil-based finishes after thorough sanding, bleaching or oxalic acid treatment to remove the dark water and chemical stains visible on the surface.

Notable Features

Open, porous grain structure which readily absorbs stains and finishes; high tannin content making it reactive to iron and moisture.

Learn more about Red Oak in the Wood Encyclopedia
Identified August 27, 2026