Utah Deck Supply

Deck Lumber

Shop deck lumber at Utah Deck Supply, including pressure-treated Douglas Fir, untreated Douglas Fir, and cedar boards for framing and outdoor projects.

Structural Lumber and Natural Wood Options for Real Builds

From pressure-treated framing material to clean untreated Douglas Fir and cedar, we carry the core wood products contractors and homeowners actually use to build decks that last.

Pressure-Treated Douglas Fir

The go-to choice for deck framing, ledger work, posts, and structural members that need to handle moisture and ground-contact conditions.

Why choose it

  • Ideal for deck foundations and moisture-prone structural applications
  • Treated with Alkaline Copper Quaternary
  • Ground-contact rated for demanding outdoor use
2x4 Douglas Fir Pressure Treated

2x4 Douglas Fir

Pressure Treated

2x6 Douglas Fir Pressure Treated

2x6 Douglas Fir

Pressure Treated

2x8 Douglas Fir Pressure Treated

2x8 Douglas Fir

Pressure Treated

2x10 Douglas Fir Pressure Treated

2x10 Douglas Fir

Pressure Treated

2x12 Douglas Fir Pressure Treated

2x12 Douglas Fir

Pressure Treated

More about Pressure-Treated Douglas Fir

Pressure-treated Douglas Fir is one of the best structural lumber options for deck construction. It starts with the strength and stability Douglas Fir is known for, then adds preservative treatment that improves resistance to moisture, fungi, and insects. The result is a framing material contractors trust for long-term outdoor performance.

Douglas Fir

A strong, dimensionally stable lumber option for structural and general-use applications where a clean natural wood look matters.

Why choose it

  • Excellent strength-to-weight ratio for framing and general construction
  • Great for accent walls, blocking, trim, and DIY projects
  • Surfaced four sides for a cleaner finished appearance
2x4 Douglas Fir Untreated

2x4 Douglas Fir

Untreated

2x6 Douglas Fir Untreated

2x6 Douglas Fir

Untreated

2x8 Douglas Fir Untreated

2x8 Douglas Fir

Untreated

2x10 Douglas Fir Untreated

2x10 Douglas Fir

Untreated

2x12 Douglas Fir Untreated

2x12 Douglas Fir

Untreated

More about Douglas Fir

Douglas Fir is celebrated for structural integrity, reliable performance, and a warm natural look. It works especially well for framing components, general construction, and projects where strength matters. It is also a solid option for elevated or protected applications when you want the character of real wood without treatment.

Cedar

Naturally beautiful cedar boards for outdoor projects that need warmth, character, and built-in resistance to insects and decay.

Why choose it

  • Naturally resistant to insects and decay
  • Performs well outdoors in sun, rain, and seasonal swings
  • Can be primed, painted, sealed, or stained
  • Surfaced four sides for a cleaner finish
2x4 Cedar Untreated

2x4 Cedar

Untreated

2x6 Cedar Untreated

2x6 Cedar

Untreated

2x8 Cedar Untreated

2x8 Cedar

Untreated

2x10 Cedar Untreated

2x10 Cedar

Untreated

2x12 Cedar Untreated

2x12 Cedar

Untreated

More about Cedar

Cedar remains one of the best-looking natural lumber choices for deck and outdoor projects. It is lighter underfoot, easy to work with, and naturally resistant to many of the issues that shorten the life of lower-grade wood. For homeowners who want real wood character, cedar still hits hard.

Tell us what you’re building

We can help you dial in the right lumber for framing, structure, appearance, and budget, whether you’re a contractor stocking a job or a homeowner building your own deck.