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Oak, Red

Varies in length, width and colour between regions. Southern Oak lumber is wider and longer. Northern Oak has a finer grain and less colour variance. Mostly straight grained with a course texture. Heartwood is a pinkish reddish brown. Sapwood is a light brown colour which is 1" to 2" thick.

Thicknesses

Subject to availability

4/4
5/4
6/4
7/4
8/4
9/4
10/4
12/4
16/4
20/4
1/2"
3/4"
1"

Distribution

Northeastern United States and Southeastern Canada

Scientific Name

Quercus rubra

Specific Gravity: Basic

0.56

Specific Gravity: 12% MC

0.7

Janka Hardness

1220

Colour/Appearance

Heartwood is a light to medium brown, commonly with a reddish cast. Nearly white to light brown sapwood is not always sharply demarcated from the heartwood. Quartersawn sections display prominent ray fleck patterns. Conversely, White Oak tends to be slightly more olive-coloured, but is by no means a reliable method of determining the type of oak

Grain/Texture

Grain is straight, with a coarse, uneven texture. The pores are so large and open that it is said that a person can blow into one end of the wood, and air will come out the other end: provided that the grain runs straight enough. (See the video below.)

Endgrain

Ring-porous; 2-4 rows of large, exclusively solitary earlywood pores, numerous small latewood pores in radial arrangement; tyloses absent; growth rings distinct; rays large and visible without lens; apotracheal parenchyma diffuse-in-aggregates (short lines between rays).

Rot Resistance

Rated as non-durable to perishable, with poor insect resistance. Stains when in contact with water (particularly along the porous growth ring areas). Red Oaks do not have the level of decay and rot resistance that White Oaks possess.

Workability

Produces good results with hand and machine tools. Has moderately high shrinkage values, resulting in mediocre dimensional stability, especially in flatsawn boards. Can react with iron (particularly when wet) and cause staining and discolouration. Responds well to steam-bending. Glues, stains, and finishes well.

Odor

Has a tell-tale smell that is common to most oaks. Most find it appealing.

Allergies/Toxicity

Although severe reactions are quite uncommon, oak has been reported as a sensitizer. Usually most common reactions simply include eye and skin irritation, as well as asthma-like symptoms.

Pricing/Availability

Abundant availability in a good range of widths and thicknesses, both as flatsawn and quartersawn lumber. Usually slightly less expensive than White Oak, prices are moderate for a domestic hardwood, though thicker planks or quartersawn boards are slightly more expensive.

Sustainability

This wood species is not listed in the CITES Appendices or on the IUCN Red List of Threatened Species.
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