“Everything I need to build it — the whole list.”
A deck isn't one number — it's a shopping trip. Deck Builder counts every piece, right down to the screws, so the trip happens once.
The biggest job in the app — and still just four taps.
How long, how wide, and how high off the ground it sits.
The deck-board length you'll buy, and joist spacing — 12, 16, or 19.2 in on centre.
Boards, joists, posts, footings, railing, screws — print it and hand it to the lumber counter.
A 16 × 12 ft deck, 3 ft off the ground, 12 ft boards, joists at 16 in: