4X6-12' KD DOUG-FIR STD
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4 x 6 Douglas Fir Standard Grade (Kiln-Dried)
Product Overview
Renowned for its superior strength-to-weight ratio and natural beauty, our 4x6 Douglas Fir is the professional’s choice for heavy-duty framing and exposed structural projects. This lumber is Kiln-Dried (KD) to provide maximum dimensional stability, reducing the risk of warping, twisting, or shrinking after installation.
The Standard Grade (often referred to as Standard & Better) ensures a high level of structural integrity while allowing for natural characteristics that give the wood its authentic, rugged character.
Key Features
Superior Strength: Douglas Fir has one of the highest modulus of elasticity values of any North American softwood, making it ideal for load-bearing headers and posts.
Kiln-Dried (KD): Heat-treated in a controlled environment to a specific moisture content. This process kills any latent pests and ensures the timber stays straight and true.
Workability: Despite its density, it holds nails and screws exceptionally well and resists splitting near the ends.
Natural Aesthetics: Features a beautiful light rosy color with a tight, straight grain that accepts stains and finishes beautifully for exposed applications.
Specifications
| Attribute | Detail |
|---|---|
| Nominal Size | 4 in. x 6 in. |
| Actual Size | 3-1/2 in. x 5-1/2 in. |
| Species | Douglas Fir (Pseudotsuga menziesii) |
| Grade | Standard / No. 2 & Better |
| Drying Method | Kiln-Dried (KD) |
| Surface Finish | S4S (Surfaced on 4 Sides) |
Best For...
Structural Framing: Headers, rim joists, and blocking.
Outdoor Structures: Pergolas, gazebos, and pavilions (when properly sealed/treated).
Industrial Use: Heavy-duty shelving, workbenches, and landscape timber.
Architectural Accents: Exposed interior beams for a "rustic-modern" look.
Pro Tip: While Douglas Fir is naturally decay-resistant, if you are using this 4x6 for ground-contact or high-moist
ure exterior projects, we recommend applying a high-quality UV-resistant sealant or preservative to maintain its structural integrity and color.