Build a Deck

Tom Silva helps a couple replace a rotted deck with a 20 by 20 foot two-level deck.

Key moments

Materials	Pressure-treated 2×8 ledger board, 2×8 joists, two 2×12 beams, 6×6 posts, 12-inch paper form tubes, pre-mixed concrete bags, expansion bolts, metal post bases, timber hangers, self-sealing membrane flashing, 6-inch lag bolts, galvanized carriage bolts
Safety warning	A building inspector must measure each footing hole before concrete is poured. Lag bolts are pre-drilled and staggered to avoid splitting the ledger.
Call a pro?	Permit or a pro may be required
Project	Build a Deck
Series channel	This Old House
Part	1

Sources: The facts and written text on this page come from the 1 video on this page, by This Old House.