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12x12 pressure treated timbers loaded for delivery to elevated home and marine construction projects.

12 in. x 12 in.
Treated Timbers

Premium 12" x 12" #2 Grade Southern Yellow Pine Timbers Engineered for maximum strength and structural performance, our 12x12 #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 12x12 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 lengths up to 50 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 12x12 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, 12x12 timbers provide enhanced load-bearing capacity and long-term stability.

12x12 timbers are 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, 12x12 timbers 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) by special order.

 Specifications

Details
Material Southern Yellow Pine
Lumber Grade #2
Treatment methods .60 CCA, .80 CCA, 2.5 CCA                                                                                                                              
Dimensions
Product Height 12 inch
Product Width 12 inch
Product Length 8', 10', 12', 14', 16', 18', 20', 22', 24', 26' 28', 30', 32', 34', 36', 38', 40', 42', 44', 46', 48', 50'