what size wood for deck frame

Best answer


140 x 45mm

People also ask


  • What size joists do I need for decking frame?

  • In general terms, joists spaced 16 inches on center can span 1.5 times in feet their depth in inches. A 2×8 up to 12 feet; 2×10 to 15 feet and 2×12 to 18 feet. The larger the deck, the larger the joists. Click to see full answer. In this regard, what size wood should I use for decking frame? Wood is the usual material used for decking.

  • What is the standard width of a deck frame?

  • The result is the external width of the decking frame. For example, if the finished decking should have a width of 14 feet and the desired board overhang is 1 inch on each side, the frame width should be 13 feet 10 inches — 14 feet minus 2 inches equals 13 feet 10 inches.

  • What size beam do I need for a 4×6 deck?

  • The beams support the joists and transfer the load from the deck onto the posts and ledger. The minimum beam size is a 4-by-6 made from two, 2-by-6 planks. Looking at the chart, if the joists span 10 feet, you can use a 4-by-8 beam with posts spaced 8 feet apart, or a 4-by-12 beam with posts spaced 12 feet apart.

  • What kind of wood is used for decking?

  • The lumber should be pressure treated to avoid rot and decay. Some of the most common wood used are cedar, redwood, fir and pine. There are decks that use concrete posts for support but wooden posts are the usual. Similarly, what size lumber can span 20 feet?

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