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Case Study:

The New American Home 2004 Las Vegas, Nevada

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The open-web roof and floor joists, laminated beams, and I-beams reduce raw lumber use and increase load-bearing capacity, while resisting shrinking, twisting, splitting, and warping.

The open-web roof and floor joists, laminated beams, and I-beams reduce raw lumber use and increase load-bearing capacity, while resisting shrinking, twisting, splitting, and warping.
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The OSB roof decking product comes with an adhered radiant foil barrier which helps to prevent heat transfer in or out of the vented attic, while R-13 unfaced fiberglass fills the advanced-framed 2x6 walls.

The OSB roof decking product comes with an adhered radiant foil barrier which helps to prevent heat transfer in or out of the vented attic, while R-13 unfaced fiberglass fills the advanced-framed 2x6 walls.
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The photovoltaic panels sit in a waterproof plastic tray that was installed directly on the roofing underlayment, then surrounded with roofing shingles.

The photovoltaic panels sit in a waterproof plastic tray that was installed directly on the roofing underlayment, then surrounded with roofing shingles.
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The polyethylene ceiling vapor barrier is sealed to form an air barrier around the exhaust fan in this very cold climate location (≥ CZ 6).

The polyethylene ceiling vapor barrier is sealed to form an air barrier around the exhaust fan in this very cold climate location (≥ CZ 6).
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The retrofitted flat roof has PV panels and walking mats installed over the roofing membrane

The retrofitted flat roof has PV panels and walking mats installed over the roofing membrane
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The roof is constructed with a foil-faced radiant barrier sheathing.

The roof is constructed with a foil-faced radiant barrier sheathing.
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The roof trusses and all other framing in this hot-humid climate home is treated with borate for mold and termite resistance.

The roof trusses and all other framing in this hot-humid climate home is treated with borate for mold and termite resistance.
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The simple gable roof is constructed at an unusual 6.55 pitch that allows exactly four and a half sheets of 4-foot- wide coated, taped roof sheathing to be installed as the roof deck with enough space at the peak for a continuous ridge vent.

The simple gable roof is constructed at an unusual 6.55 pitch that allows exactly four and a half sheets of 4-foot- wide coated, taped roof sheathing to be installed as the roof deck with enough space at the peak for a continuous ridge vent.
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The standard asphalt shingle roof on this Florida home readily absorbs solar energy, allowing it to heat up to 140°F (60°C) as shown in the thermal image on the right

The standard asphalt shingle roof on this Florida home readily absorbs solar energy, allowing it to heat up to 140°F (60°C) as shown in the thermal image on the right
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The steel drip edge flashing is easy to see above the fascia and just below the roofing along all of the roof edges of this home.

The steel drip edge flashing is easy to see above the fascia and just below the roofing along all of the roof edges of this home.
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The thermal boundary for a gable roof can be located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic

The thermal boundary for a gable roof can be located at either a) the flat ceiling with a vented attic or b) the roof line for an unvented attic
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The varied roof pitches offer multiple options for solar panel placement regardless of home orientation for these production homes in Colorado.

The varied roof pitches offer multiple options for solar panel placement regardless of home orientation for these production homes in Colorado.
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The ventilation space in this vented over-roof keeps the roof cool to prevent ice dams over the unvented attic

The ventilation space in this vented over-roof keeps the roof cool to prevent ice dams over the unvented attic
Video:

The Weather Channel - Prepare for High Winds

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The white TPO membrane roof on the row house on the right performs extremely well at reflecting solar energy and maintaining cool surface temperatures while the black EPDM membrane roof on the left heats up rapidly in the sunlight

The white TPO membrane roof on the row house on the right performs extremely well at reflecting solar energy and maintaining cool surface temperatures while the black EPDM membrane roof on the left heats up rapidly in the sunlight
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The wood blocking for future PV panel installation extends above the surface of the top layer of polyisocyanurate rigid foam insulation installed as part of a flat roof retrofit

The wood blocking for future PV panel installation extends above the surface of the top layer of polyisocyanurate rigid foam insulation installed as part of a flat roof retrofit
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There are three potential locations for an attic radiant barrier – adhered to the underside of the roof decking, hanging from the rafters, or on the ceiling insulation

There are three potential locations for an attic radiant barrier – adhered to the underside of the roof decking, hanging from the rafters, or on the ceiling insulation
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There is an exhaust duct vent visible in the roof above this downdraft range hood.

There is an exhaust duct vent visible in the roof above this downdraft range hood.
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These graphite-enhanced structural insulated panels come to the job site pre-cut and ready for quick assembly into an airtight, continuously insulated structure.

These graphite-enhanced structural insulated panels come to the job site pre-cut and ready for quick assembly into an airtight, continuously insulated structure.
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These snow guards help to keep snow from sliding off the roof and injuring people below.

These snow guards help to keep snow from sliding off the roof and injuring people below.
CAD File:

Thin-profile attic eave baffle and vent

Preview Image
Thin-profile attic eave baffle and vent
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This bath fan is ducted through the roof but the ducting is so excessively long that air flow is likely to be very poor

This bath fan is ducted through the roof but the ducting is so excessively long that air flow is likely to be very poor
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This chimney was not adequately attached to the structure and fell away during an earthquake

This chimney was not adequately attached to the structure and fell away during an earthquake