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8' x 12' Patio Deck

Technical

Photos

Project Description:

Goals:

  1. Repair or rebuild existing structures using low maintenance materials.
    Retain existing 8' x 12' overall size and elevation.

MLC Assessment:

  1. Existing structure was in an advanced state of deterioration due to age and exposure to the elements.
  2. The structure presented a serious hazard to occupants.
  3. A number of code violations were identified with the structure, railing system, landing, and elevation relative to kitchen door.
  4. The attachment method of the existing deck to the house frame was not weather-tight.

Strategy:

  1. Demolish existing deck and railing system.
  2. Rework attachment method at house frame. Install GAF ice and water shield over new sheathing.
  3. Rebuild deck, stair system, and landing pad.
Implementation
Structural: 2x8 12" o.c. framing with 2-ply rims and band over 2-ply 2x10 carrying beam.
GAF ice and water shield on all horizontal joist and beam surfaces.
Joists attached to beam with hurricane ties for uplift restraint.
4x4 support posts anchored to footings with post bases for uplift restraint.
Posts anchored to beam with 4x4 bracing for lateral restraint.
ACQ pressured treated lumber with Z-Max treated hangers and connectors.
All fasteners rated for ACQ pressure treated lumber.
Decking: Trex Accents (Saddle color) 5/4x6 composite decking, picture frame design.
Stairs: Full flight, low-pitch (6 1/2" risers, 11 1/4" tread depth) with mid-span support system.
12" o.c. stringers (closed outer, open inner).
GAF ice and water shield on all horizontal stringer surfaces.
Trex Accents (Saddle color) 5/4x6 composite decking for treads.
Railings: Fiber Composites vinyl-over-composite railings with square vinyl balusters.
4x4 ACQ pressure treated posts with vinyl post dress sleeves and caps.
Finish Trim: TufBoard 1x8 composite trim boards attached with stainless steel finish nails.

Original Deck Views

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New Deck Views

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Construction Details

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Deck framing and carrying beam
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Deck frame attachment at ledger
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Stair stringer attachment at deck frame
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Mid-span stair stringer support
 

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