Collection: American White Oak

American white oak is a widely distributed hardwood native to the eastern United States and eastern Canada. This species group includes several commercially significant oaks, making it a versatile and abundant timber. With light-coloured sapwood and a pale yellow-brown to mid-brown heartwood, American white oak is highly valued for its strength, durability, and aesthetic appeal. Its straight grain and coarse texture, paired with distinctive growth rings and medullary rays, give it an elegant and timeless appearance. Its impermeability and strength make it a top choice for structural, decorative, and specialty applications.

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Appearance of American White Oak Timber

The sapwood of American white oak is light in colour, contrasting with the heartwood, which ranges from pale yellow-brown to mid-brown, often with a pinkish tinge. The timber typically features a straight grain, medium to coarse texture, and long rays that create more prominent figures than American red oak. Growth rings are large and distinctive, while some boards may exhibit medullary rays, adding character and visual interest to the wood.

Applications of American White Oak Timber

American white oak's versatility lends itself to a wide variety of applications. In the United States, it is commonly used in structural and exterior projects such as timber bridges, railway sleepers, and boat building. Its impermeability makes it ideal for vats and casks used to store wine and spirits. In Australia, the timber is most often employed in flooring, high-grade furniture, interior joinery, architectural woodwork, and paneling. Its durability and resistance to decay also make it suitable for exterior joinery.

Workability of American White Oak Timber

This hard and heavy wood is relatively easy to work with. It machines well and accepts nails, screws, and glue effectively, although pre-boring is recommended for fasteners. American white oak stains easily and takes a wide variety of finishes, making it ideal for decorative applications. Its good steam-bending properties make it a top choice for curved or intricate designs. However, care must be taken during seasoning to avoid checking, as the wood dries slowly and has a high shrinkage rate, making it susceptible to movement under variable moisture conditions.

Durability of American White Oak Timber

American white oak is strong and resistant to decay, which makes it suitable for outdoor and structural uses. However, the heartwood is susceptible to lyctid borer attack and termite damage, so appropriate treatment is recommended for certain applications.

Origin and Availability of American White Oak Timber

This timber is sourced from native forests across the eastern United States and eastern Canada. In Australia, American white oak is readily available through specialist timber dealers, typically imported in a range of grades and specifications.

American white oak’s combination of durability, workability, and aesthetic appeal has made it a staple in both structural and decorative applications, ensuring its continued popularity in both domestic and commercial projects.

 Very LowLowMediumHighVery High
  
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Tangential :   6.60% 
Radial :   3.20% 
Unit Movement Tangential:   0.37% 
Unit Movement Radial: 0.18%   
 Very HighHighReasonably HighMedium HighMediumReasonably LowLowVery Low
Unseasoned:S1S2S3S4S5S6S7S8
        
Seasoned:SD1SD2SD3SD4SD5SD6SD7SD8
     
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 Structural
No. 1
Structural
No. 2
Structural
No. 3
Structural
No. 4
Structural
No. 5
Unseasoned:     
Seasoned:F14F11F8F7F5
Seasoned:750kg/m3
Unseasoned:985kg/m3
 Very HighHighReasonably HighMediumLowVery Low
Unseasoned:J1J2J3J4J5J6
 
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Seasoned:JD1JD2JD3JD4JD5JD6
  
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 White, yellow, pale straw to light brownPink to pink brownLight to dark redBrown, chocolate, mottled or streaky
  
   
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Modulus of Rupture - Unseasoned:57 MPa
Modulus of Rupture - Seasoned:105 MPa
Modulus of Elasticity - Unseasoned:8.6 GPa
Modulus of Elasticity - Seasoned:12.3 GPa
Maximum Crushing Strength - Unseasoned:25 MPa
Maximum Crushing Strength - Seasoned:51 MPa
Impact - Unseasoned: 
Impact - Seasoned: 
Toughness - Unseasoned:High - 25 Nm and above
Toughness - Seasoned:High - 25 Nm and above
Hardness - Unseasoned:4.7
Hardness - Seasoned:6
 LowModerateReasonably HighHigh
 (0 - 5 yrs)(5 - 15 yrs)(15 - 25 yrs)(more than 25 yrs)
In-Ground:
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 (0 - 7 yrs)(7 - 15 yrs)(15 - 40 yrs)(More than 40 yrs)
Above ground:    
 (0 - 20 yrs, usually < 5)(21 - 40 yrs)(41 - 64 yrs)(More than 60 yrs)
Marine Borer Resistance:
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Lyctid Borer Susceptibility:Susceptible
Lyctid Borer Susceptibility - Other: 
Termite Resistance:Not Resistant
1 - non-combustible2 - reasonably non-combustible3 - slightly combustible4 - combustible

Fire Properties Group
Number:

Average Specific Extinction Area:

<250

Bushfire Resistance:

BAL 12.5 and 19 - All AS 3959 Required Applications