This double treated Ground Contact lumber must be used for applications where treated lumber is difficult to maintain, repair or replace. Item #1217529 Model #CS010612E2G01 Trex Enhance Basics 12-ft Clam Shell Grooved Composite Deck Board. 4. Treated lumber is critical to the performance and safety of an entire system or construction such as deck joists, beams and ledger boards. The thickness of deck boards and the distance between joists determines how solid your deck will be. Here we will focus only on the decking materials, but if you want to know the total cost to build a deck… (1” x 6”x 12’ = $60 to $80). Built-Up Post. Dimensional lumber is what is produced by planing the rough cut lumber smooth. x 5-1/4 in. Align the first row with the chalk line and nail or screw the boards to the joists. 5. In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. The selection of deck boards is greater today than ever before. Has a 30-year warranty against staining and fading. The greater the distance, the more the board must support over that distance, and the greater the potential for flexing. Wood-plastic composites are claimed to last over 25 years while the manufacturers of PVC decking claim the boards … The planks are still planed to the same finished or actual dimensions, but more board feet may be produced per log. Please call us at: 1-800-HOME-DEPOT (1-800-466-3337), Please enter in your email address in the following format: you@domain.com. It is available in more than 24 wood tones and colors, and lengths up to 20-feet. As lumber dries, it may split, cup and warp. All Rights Reserved. If you found the article informative or useful, please pass it on to others who may find it helpful. However, if planning to place a hot tub or similar weighty object on the deck, check with the local building department. x 16 ft. #2 Prime Ground Contact Southern Pine Pressure-Treated Lumber, 2 in. Enjoy the WeatherShield 1-1/4 in. Pressure-Treated Southern Yellow Pine meets the highest grading standards for strength and appearance. A 2”x6” plank will flex more when supported at 24” OC than the other two distances, and a 5/”x6” will flex more at 16” OC than at 12” OC. Treated lumber is critical to the performance and safety of an entire system or construction such as deck joists, beams and ledger boards. For an 8-foot deck, 2×6 lumber would be ideal. (2” x 6”x 12’ = $5 to $9), Wood, commonly pine, protected from fungus and insect damage with chemicals that have been forced into the wood with pressure. If you can't find decently treated support posts, make your own by sandwiching three … The larger the deck, the larger the joists. Pressure-Treated Pine meets the highest grading standards for strength and appearance. Common deck board widths are 4”, 6” and 8”. (1” x 6”x 12’ = $60 to $68), Aluminum planks are weather and waterproof boards up to 36-feet in length. An additional benefit of treated lumber is its defense against rot and insect infestation for its vast majority of applications. As lumber dries, it may split, cup and warp. Actual dimensions: 1.3 in x 5.5 in x 12 ft (33 mm x 140 mm x 365 cm) 1.3 in x 5.5 in x 16 ft (33 mm x 140 mm x 487 cm) 1.3 in x 5.5 in x 20 ft (33 mm x 140 mm x 609 cm) Our square edge boards install traditionally like wood–with deck … The most common or standard deck board width is 6-inch wide planks based on square-foot coverage, labor, and material cost. Are you ready to build or resurface a deck but don’t know what deck board dimensions are right for your plan? Deck joists are commonly 12-inch, 16-inch, or 24” on-center (OC). Expansion Gap: These are small gaps between each board. Select 5/4×6 inch deck boards to fasten in a perpendicular pattern to joists spaced 12” or 16” on-center (OC), or diagonally on 12” OC joists. The grade and type of wood determine the free span it can run – southern pine can span further unsupported than fir, spruce or hemlock, which in turn can span further than cedar. Deck board thickness determines the distance it can span between joists in many building codes. In this article, we explain the types of deck boards available, nominal and actual dimensions, board thickness and width, compare 2×6 to 5/4×6 decking, and explore joist span and spacing. As it dries, the wood shrinks, especially in width. A nominal or rough cut 2×6 planes down to 1-1/2”x5-1/2” while a 5/4×6 dimensionally is actually 1”x5-1/2”. Shop Menards for AC2 pressure treated lumber that prevents decay and termites in a large variety of sizes for all your construction needs. Then use spacers at each joist to keep the gap between boards consistent and to keep the boards running straight. Square edge deck boards (for picture framing, stair treads and … An additional benefit of treated lumber is its defense against rot and insect infestation for its vast majority of applications. Treated Boards, Decking, Lumber & Timbers at Menards® Whoops! Treated lumber is critical to the performance and safety of an entire system or construction such as deck joists, beams and ledger boards. A 2×6 will give a more solid feel to a deck with 16” OC spaced joist than a 5/4×6 beck board will, so if the deck is high traffic or expected to host large numbers of people, the thicker material is often the better choice. If the planks are too thin for the distance spanned, they will flex and possibly break, and the deck will feel soft or spongy. The deck width size matters because you want a board … The load a deck can support is based on the dimensions and spans of the materials from which the frame is constructed. Widths of 1”, 2”, 3” or 4” require more pieces and thus labor to cover the same area. Use of this site is subject to certain Terms Of Use. Available Lengths: 12 ft (365 cm) 16 ft … x 6 in. Determine your desired expansion gap and enter into deck … The actual measurements are the final size… Check the chart below for a quick comparison. Available in lengths from 1.8m to 4.8m we have the perfect decking for you. The widths are readily available in most lumber or building supply stores, and the number of pieces easily calculated into deck dimensions. Additionally, climatic conditions can cause boards to sag over time if the span is too great. Grade of wood – # 1 or # 2 Ground Contact lumber must be used for aesthetics and effect 16! 2X10 to 15 feet and 2x12 to 18 feet to keep the boards running straight with... Board width is 6-inch wide planks based on the rough cut 2×6 planes down to ”. It helpful as lumber dries, the greater the distance a deck but don ’ t decking boards sizes deck... 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