140 x 45mm
People also ask
What size lumber do I need for a 12 foot deck?
For a 12-foot wide deck, 28 southern pine or SPF lumber will span in one length with spacing between the joists of 12鈥?OC or 16鈥?OC, making it a good choice for deck joists. For an 8-foot deck, 26 lumber would be ideal.
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 deck board do I need for my joists?
However, selecting the right size board isn鈥檛 just a matter of cost; there are other factors to consider too. Select 5/46 inch deck boards to fasten in a perpendicular pattern to joists spaced 12鈥?or 16鈥?on-center (OC), or diagonally on 12鈥?OC joists. Use 26 planks for 16鈥?or 24鈥?OC joists, or if running diagonally to 16鈥?OC joists.
What is deck framing made of?
It consists of wooden boards laid over a wooden framework consisting of a ledger board — a board attached to the house and defining the width of the decking — and a series of joists to support the boards. Determining the framing size for a deck is a straightforward task after the size of the completed decking is known.