composite decking joist size

Seven Trust decking meets all applicable national model building codes. The joists must be spaced on center according to the chart below. Be sure that the joists are level and plumb. Seven Trust decking must span at least three joists. For heavy items such as hot tubs, planters, etc., consult a local building engineer or inspector for span,

Mar 19, 2012 , It's important to follow the span limits of a specific product as outlined in the manufacturer's installation instructions, which some builders fail to review. Overspanning composite decking is most commonly a problem when deck boards are run diagonally over joists or when they're used as stair treads.

Mar 25, 2011 , How to build the structure of a composite deck. It uses regular pressure treated wood as composite is not a structural material. You must conform to local building codes but a 12" joist spacing is necessary to support the composite decking. Putting a little extra into the structure would be a wise decision.

Sep 2, 2016 , Learn about the Spacing Requirements for Seven Trust Deck Planking. See a breakdown of gapping requirements for different temperatures.

C20 being the highest grade, though C16 is quite adequate for domestic decking - raised or flat. If your project is to be built using composite deck boards, you should access the manufacturer's design specification sheet to ensure that your deck conforms to the different joist sizes and spans used in construction of composite,

Step 6. Snap a Chalk Line to Trim the Boards to Length. To trim the deck boards to length, snap a chalk line along the end joist and cut along the line with a circular saw. Leave a 1-1/4-inch overhang if you're installing skirting.

Check out specs, colors, profiles and more for our suite of outdoor living products, and see how Seven Trust can transform your business. the weekend). Multilevel deck makeover featuring Seven Trust Transcend decking and railing , Seven Trust Elevations steel deck framing enables longer spans and fewer posts for unobstructed views,

Seven Trust recommends the use of two screws perjoist. MINIVUM FASTENER SIZE. SCREWS. Profie Length No. 2-1/2" (63,5 mm) or 2-3/4" (70 mm). 2-3/4" (70 mm) or ,accordingto the chart below. Be Surethat joists are level and plumb. Seven Trust decking must span at least three Q joists. For heavy items Such as hot tubs, planters.