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8x8 pressure treated timbers loaded for delivery to elevated home and marine construction projects.

6 in. x 6 in.
Treated Timbers

Premium 6" x 6" #2 Grade Southern Yellow Pine Timbers Engineered for maximum strength and structural performance, our 6 inch x 6 inch #2 Grade Southern Yellow Pine Rough Cut Timbers are heavily stocked and ready to move. Whether your project demands untreated timber or heavy-duty .60 CCA treatment, we offer fast pickup and swift delivery options to keep your timeline on track.

Need specialized marine protection? With an extensive inventory of untreated 6x6 SYP timber stock available, Gulf Coast Lumber can rapidly have your order treated to .80 CCA for fresh water / foundation use  or 2.5 CCA specifications—perfect for harsh brackish or saltwater environments.  We also specialize in custom orders, offering 6x6 lengths up to 40 feet to meet your exact project specs.

From elevated beach homes and bridges to heavy-duty docks, decks, piers, and marine fender systems—build with confidence.

Available Treatment Options: .60 CCA, .80 CCA, 2.5 CCA 

> Request a Quote Today or call us at 281-670-8631 to get your project moving!

Product details

About This Product

Every piece of 6x6 treated timber is produced and graded to meet recognized standards for strength, durability, and structural performance, making it a dependable choice for demanding construction applications. With its solid dimensions and increased mass, 6"x6" timbers provide enhanced load-bearing capacity and long-term stability.

6x6 treated lumber is commonly used in elevated homes, posts, beams, headers, supports, and heavy framing for residential, agricultural, and commercial projects. They are especially well-suited for outdoor structures, landscaping, marine applications, and foundational support systems where strength and durability are essential.

Available in a variety of lengths and treatment options, 6 inch x 6 inch treated lumber can be tailored to meet specific project requirements. They deliver reliable performance in exterior environments, resisting moisture, decay, and insect damage for long-lasting use.

Highlights

  • Made from Southern Yellow Pine
  • Available either treated CCA (Chromated Copper Arsenate) or untreated depending on application.
  • #2 grade rough sawn, available in #1 or appearance grade by special order.
  • Square Timbers
  • S4S (Surfaced on 4 sides).

 Specifications

Details
Material Southern Yellow Pine
Lumber Grade #2
Treatment methods .60 CCA, .80 CCA, 2.5 CCA                                                                                                                              
Dimensions
Product Height 6 inch
Product Width 6 inch
Product Length 8', 10', 12', 14', 16', 18', 20', 22', 24', 26' 28', 30', 32', 34', 36', 38'