Decking Frame Spacing
But where the picture frame will be perpendicular to the field boards you ll need to slot the end of the field boards at least every 16 inches to receive the decking clips if you re using hidden fasteners figure 20.
Decking frame spacing. Joist spacing for composite decking. The last board won t look good if it s skinny or cut at an angle. The majority of composite deck board brands including trex timbertech and more require deck joists spacing to be at 16 inches o c.
Deck joist spacing blocking guide step 1. Post spacing is going to depend on your design local building codes the size and length of your beams and the size of your posts. Before installing any decking run string line.
Post spacing should be even. Joist and deck board spacing guidance. Decking manufacturers may recommend anywhere between 12 and 16 inches for commercial decks and 12 to 24 inches for residential decks.
In this instance the maximum span between deck post centres is 2 07m c16 or 2 24m c24. Most decks use 16 on center spacing for joists. Decking is structural in addition to being an aesthetic element.
Most decking is designed to be installed across 16 on center joists. You may be required to install 12 on center joists for diagonal decking. On center for standard straight composite decking installation.
Some builders reduce joist spacing to 12 on center to strengthen the deck frame or to increase maximum allowable joist spans. For timbertech azek decking it s recommended to have a minimum 1 8 to 1 4 side to side gap between deck boards. Run string lines to ensure all joists are level in plane.