how deep should deck joists be

Ground-hugging decks—those less than a foot off the ground—probably aren’t going to use cantilever beams to support the joists; rim beams and in-floor beams make more sense. If you aren’t mounting a deck ledger then you can orient the beams either parallel or perpendicular to the house. 【Get Price】

Joist and Beam Span Tables. Strength Grading. For decks 600mm or more above ground level support posts should be of strength graded material. If you need strength graded components please consult your Q-Deck® retailer who will pass the enquiry onto Hoppings Softwood Products for consideration. C16 Table A: Maximum joist spans - Strength Class C16 【Get Price】

This is the second guide in a three-part series on how to build an attached deck. The last guide gave an overview of the planning and design process.Now we’ll get into installing the 4×4 posts and framework including the ledger board beams and rim joists. 【Get Price】

How Wide Should the Floor Joist Be for a Deck?. Joists are typically made from treated 2-by-8- 2-by-10- or 2-by-12-inch lumber. The way to determine what is needed is to follow the formulas set ... 【Get Price】