DECKS

Square Corner Framing square

Square Corner triangle

Square Corner Diagonals

LEVEL Water level r12l904owhttps:// r12l904ow

LEVEL String level

LEVEL Builder’s level

POSTS Concrete footings Provide Structural support but NOT lateral Pier blocks

POSTS Pier blocks (continued)

POSTS Concrete footings Provide Structural support but NOT lateral Galvanized post anchor

POSTS Galvanized post anchor (continued) 87Dkw1M

POSTS Galvanized post anchor (continued) How not to…

POSTS Direct burial Provide Structural and lateral support Footing at bottom of hole –Blocks or Concrete

POSTS Direct burial Provide Structural and lateral support Backfill around post –soil or crushed aggregate –dry concrete –wet concrete (must brace post until set) – pCSxD0GYhttps:// pCSxD0GY

POSTS

POST AND BEAM DECK Ledger Attachment to existing building

POST AND BEAM DECK Ledger Use 3” lag screws to anchor into rim joist Expansion bolt if concrete slab foundation

POST AND BEAM DECK Ledger Attach directly to rim joist of house

POST AND BEAM DECK

Beam –Grab beam –Cap beam Beam supports joists Level with bottom of ledger

POST AND BEAM DECK

Joists Joists support deck boards Joist hangers attach to ledger Anchor joists to beam with rafter ties

POST AND BEAM DECK Joists Splice long joist over beam –Overlap –Gusset

PLATFORM FRAMED DECK Constructing freestanding deck

PLATFORM FRAMED DECK Locate posts with batter boards and string

PLATFORM FRAMED DECK Install outside (rim) joists to form box using ½” bolts Rim joists act as the beam, holding joists on hangers

PLATFORM FRAMED DECK Install interior joists

BLOCKING For additional support Blocking: short blocks of wood between joists

DECK BOARDS 2 x 4, 2 x 6, or 5/4 boards Installed at angle to joists –90 degree or 45 degree

DECK BOARDS

Orientation of grain with bark side up

DECK BOARDS Space using a nail or pencil?

RAILING Extend posts

RAILING Bolt to rim joist

Deck Construction Estimating deck construction –$20 to $24 / square foot