Ft the perfect starter size with plenty of room for an outdoor furniture set.
How much decking do i need for a 12x12 deck.
With the frame of your deck built one of the final steps is overlaying the substructure with decking materials.
Add 10 percent to framing and 15 percent to decking to allow for waste.
To determine exactly how much decking material you need for your new deck please fill in your desired specs into our calculator above.
Estimating deck materials without a calculator.
If you need both you can still use the calculator to estimate how much material you ll need for the deck itself.
When calculating the amount of decking you will need it s recommended that you add roughly 10 to the total for a scrap factor.
Dsa deck surface area in square feet deck length feet x deck width feet.
A 12 by 12 foot deck will need 144 lineal feet of decking.
The amount of individual boards will depend upon the size and type of decking your choose and the amount of space you plan to leave between decking boards.
If you want a deck flooring price estimate you can also include the price per board.
For a small deck 10 12 feet for example determines how much lumber you ll need by using your detailed plans to count all the pieces of each size.
Depending on the finished look you want to achieve you ll need to determine just how much material you ll need to carry out your deck design plans.
This calculator uses standard 2 x 6 pressure treated lumber for decking available at most hardware stores.
Of course if you expect a lot of snow to sit on your deck over the winter or envision an 8 000 lb hot tub on the deck this could increase the required load capacity of your deck up to 100 psf.
The variety of decking materials and variables is overwhelming.
However if you re unsure what to put in some of the fields please keep the following deck calculation tips in mind.
12 foot 2 4s 8 foot 2 6s and so on for all framing members including stairs and railings.
12 x 12 deck design 144 sq.
You ll also need to know the joist spacing you are planning to use most commonly 12 16 20 or 24.
If you need to estimate your railing balusters use our baluster calculator.