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Case Study:

New Whole-House Solutions Case Study: New Traditions Homes, Landover Commons, Vancouver, WA

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Observed roof bracing for gable roof overhang and recommended modification

Observed roof bracing for gable roof overhang and recommended modification
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On ocean-front lots set the home as far back on the lot as possible, preferably with a protective dune between structures and shoreline.

On ocean-front lots set the home as far back on the lot as possible, preferably with a protective dune between structures and shoreline.
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On top of the ice-and-water shield, the builder installed horizontal beams that were raised 6 inches off the deck to allow room for spray foam insulation.

On top of the ice-and-water shield, the builder installed horizontal beams that were raised 6 inches off the deck to allow room for spray foam insulation.
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One of the roof truss to top plate seismic bracing options in the IRC

One of the roof truss to top plate seismic bracing options in the IRC
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Open sump pump

Open sump pump
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Open-web floor joists provide space for ducts between the floors of a two-story home.

Open-web floor joists provide space for ducts between the floors of a two-story home.
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Opening Protection Systems - Doors, Windows, Garages

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Outrigger faming for a gable end roof overhang

Outrigger faming for a gable end roof overhang
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Partial roof collapse at an elementary school due to snow load

Partial roof collapse at an elementary school due to snow load
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Passive Solar Design Principles

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Patio slabs, porch slabs, walks, and driveways sloped ≥ 0.25 in. per ft. away from home to edge of surface, or 10 ft., whichever is less

Patio slabs, porch slabs, walks, and driveways sloped ≥ 0.25 in. per ft. away from home to edge of surface, or 10 ft., whichever is less
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Peel and Stick Membrane Applied to Roof Valley

Peel and Stick Membrane Applied to Roof Valley
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Place first shingle and next section of sidewall flashing over upper edge of diverter

Place first shingle and next section of sidewall flashing over upper edge of diverter
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Placement of the Self-Sealing Bituminous Membrane

Placement of the Self-Sealing Bituminous Membrane
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Plan view (from above) showing how the existing garage wall gypsum board is cut away to air-seal the shared wall before adding rigid foam insulation on the garage and exterior walls of the home.

Plan view (from above) showing how the existing garage wall gypsum board is cut away to air-seal the shared wall before adding rigid foam insulation on the garage and exterior walls of the home.
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Planting deep-rooted native grasses and shrubs on the banks of shorelines can help reduce the effects of erosion on sandy slopes

Planting deep-rooted native grasses and shrubs on the banks of shorelines can help reduce the effects of erosion on sandy slopes
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Planting vegetation, such as salt hay, can help reduce erosion of coastal dunes

Planting vegetation, such as salt hay, can help reduce erosion of coastal dunes
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Polyisocyanurate rigid foam insulation is installed in multiple layers with staggered, taped seams over the flat roof

Polyisocyanurate rigid foam insulation is installed in multiple layers with staggered, taped seams over the flat roof
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Poor drainage conditions can enable water to pool around the home.

Poor drainage conditions can enable water to pool around the home.
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Poor installation can result in the loss of tile roofing in high wind regions, regardless of whether the tiles are attached with mortar, screws, nails, or foam adhesive.

Poor installation can result in the loss of tile roofing in high wind regions, regardless of whether the tiles are attached with mortar, screws, nails, or foam adhesive.
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Pouring the slab

Pouring the slab
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Power production from the Integrated solar shingles helps cut electric bills to $71 a month for this home in North Carolina.

Power production from the Integrated solar shingles helps cut electric bills to $71 a month for this home in North Carolina.
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Primary wood framing systems: walls, roof diaphragm, and floor diaphragm

Primary wood framing systems: walls, roof diaphragm, and floor diaphragm