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Published byJoleen Cameron Modified over 9 years ago
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DECKS
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Square Corner Framing square
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Square Corner 3-4-5 triangle
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Square Corner Diagonals
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LEVEL Water level https://www.youtube.com/watch?v=U- r12l904owhttps://www.youtube.com/watch?v=U- r12l904ow
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LEVEL String level
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LEVEL Builder’s level
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POSTS Concrete footings Provide Structural support but NOT lateral Pier blocks
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POSTS Pier blocks (continued)
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POSTS Concrete footings Provide Structural support but NOT lateral Galvanized post anchor
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POSTS Galvanized post anchor (continued) https://www.youtube.com/watch?v=MCa_ 87Dkw1M
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POSTS Galvanized post anchor (continued) How not to…
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POSTS Direct burial Provide Structural and lateral support Footing at bottom of hole –Blocks or Concrete
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POSTS Direct burial Provide Structural and lateral support Backfill around post –soil or crushed aggregate –dry concrete –wet concrete (must brace post until set) –https://www.youtube.com/watch?v=pI- pCSxD0GYhttps://www.youtube.com/watch?v=pI- pCSxD0GY
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POSTS
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POST AND BEAM DECK Ledger Attachment to existing building
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POST AND BEAM DECK Ledger Use 3” lag screws to anchor into rim joist Expansion bolt if concrete slab foundation
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POST AND BEAM DECK Ledger Attach directly to rim joist of house
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POST AND BEAM DECK
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Beam –Grab beam –Cap beam Beam supports joists Level with bottom of ledger
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POST AND BEAM DECK
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Joists Joists support deck boards Joist hangers attach to ledger Anchor joists to beam with rafter ties
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POST AND BEAM DECK Joists Splice long joist over beam –Overlap –Gusset
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PLATFORM FRAMED DECK Constructing freestanding deck
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PLATFORM FRAMED DECK Locate posts with batter boards and string
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PLATFORM FRAMED DECK Install outside (rim) joists to form box using ½” bolts Rim joists act as the beam, holding joists on hangers
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PLATFORM FRAMED DECK Install interior joists
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BLOCKING For additional support Blocking: short blocks of wood between joists
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DECK BOARDS 2 x 4, 2 x 6, or 5/4 boards Installed at angle to joists –90 degree or 45 degree
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DECK BOARDS
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Orientation of grain with bark side up
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DECK BOARDS Space using a nail or pencil?
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RAILING Extend posts
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RAILING Bolt to rim joist
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Deck Construction Estimating deck construction –$20 to $24 / square foot
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