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Bur Oak

Quercus macrocarpa

Also known as: Burr Oak, Mossycup Oak, Savanna Oak

Technical Spec Sheet

2026-07-14

Bur Oak wood grain

Reference grain swatch

Janka Hardness
1,360 lbf (6,050 N)
Avg. Dried Weight
720 kg/m³ (45 lb/ft³)
Specific Gravity
0.72
Type
Hardwood
Grain
Usually straight, open pores
Texture
Coarse
Durability
Durable; resistant to decay and moisture
Region
North America
Sustainability
Sustainable — Abundant across central North America

Overview

Bur Oak (Quercus macrocarpa) is a North American white oak valued for its durability and resistance to decay. The wood is light to medium brown with coarse, open grain similar to White Oak. Used for furniture, cabinetry, flooring, and cooperage. It thrives across the central plains and is one of the most cold-tolerant oaks.

Heartwood light to medium brown; sapwood pale. Average dried density approximately 720 kg/m³ with Janka hardness of 1,360 lbf. Coarse texture with open, ring-porous structure. Straight grain typical; rays produce distinctive fleck when quarter-sawn.

Workshop Notes

Blunting Effect

Moderate – open grain can dull edges

Gluing

Good with standard wood adhesives

Finishing

Good – open grain may need filler for smooth finish

Steam Bending

Good steam bending characteristics

Scent

Mild, characteristic oak aroma

Assessment

Strengths

  • Durable
  • Resistant to decay
  • Good for outdoor use
  • Distinctive large acorns

Weaknesses

  • Open grain requires filler for smooth finish
  • Heavy
  • Can be slow to dry

Common Uses

Furniture · Cabinetry · Flooring · Barrels · Boats · Fencing