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Materials for a 14x14 deck
14x14 ft deck (196 ft²) · 30 rows of 16 ft boards, 5.5 in wide, 10% waste
14x14 deck materials
| Item | Quantity | Notes |
|---|---|---|
| Deck boards (5.5 in) | 33 | 30 rows x 1 board(s), 16 ft |
| Joists (16 in centers) | 12 | 14 ft long |
| Deck screws | 756 | ~3 boxes of 350 |
| Joist hangers (if ledger-attached) | 22 | Two per joist, one at each end where used |
Surface material and joists only - beams, posts, footings, ledger flashing and railings are extra. Check local code and span tables.
Boards by board width
| Board | Rows | Boards, no waste | With 10% waste |
|---|---|---|---|
| 5/4 x 6 or 2 x 6 (5.5 in) | 30 | 30 | 33 |
| 2 x 4 (3.5 in) | 47 | 47 | 52 |
| 2 x 8 (7.25 in) | 23 | 23 | 26 |
FAQ
How many deck boards do I need for a 14x14 deck?
With 5.5 inch wide boards and a 1/8 inch gap, a 14x14 deck has 30 rows. Using 16 ft boards that is 30 boards, or about 33 with a 10% waste allowance.
How many joists for a 14x14 deck?
With joists spanning 14 ft at 16 inch centers you need 12 joists (plus a rim joist at each end and doubled joists where your design needs them). At 12 inch centers: 15.
How many screws for a 14x14 deck?
About 756 deck screws (two per board-joist crossing plus 5%), or roughly 3 boxes of 350.
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