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2021 IECC Climate Zone 3B: SIP Roof, SIP Wall, Stem Wall, Slab on Grade

2021 IECC Climate Zone 3B: SIP Roof, SIP Wall, Stem Wall, Slab on Grade

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2021 IECC Climate Zone 4A: SIP Roof, SIP Wall, Stem Wall, Slab on Grade

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2021 IECC Climate Zone 3B: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space

2021 IECC Climate Zone 3B: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space

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2021 IECC Climate Zone 3C: SIP Roof, SIP Wall, Stem Wall, Slab on Grade

2021 IECC Climate Zone 3C: SIP Roof, SIP Wall, Stem Wall, Slab on Grade

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2021 IECC Climate Zone 3C: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space

2021 IECC Climate Zone 3C: Vented Cathedral Ceiling, 2x6 Wall, Vented Crawl Space

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2021 IECC Climate Zone 4B: SIP Roof, SIP Wall, Stem Wall, Slab on Grade

2021 IECC Climate Zone 4B: SIP Roof, SIP Wall, Stem Wall, Slab on Grade

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Duct Leakage to Outdoors (1)

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Video describing how to test for duct leakage to the outdoors.

Form sheet metal shield around pipe keeping 3-inch clearance

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Fiberglass duct board typically comes in sheets 4 foot wide by 10 foot long

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Right - Rigid foam insulation is taped at seams and installed over a drainage pad of aggregate to serve as a capillary break under the basement slab.

Right - Rigid foam insulation is taped at seams and installed over a drainage pad of aggregate to serve as a capillary break under the basement slab.

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Wrong – Insulation is in direct contact with this non-insulation contact (IC)-rated recessed light fixture

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Right – Spray foam insulates the walls and ceilings separating the garage from the home.

Right – Spray foam insulates the walls and ceilings separating the garage from the home.

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Taped plywood creates a continuous sheathing layer while cork adds a layer of continuous insulation to the outside of the wall.

Taped plywood creates a continuous sheathing layer while cork adds a layer of continuous insulation to the outside of the wall.

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The gaps between the sheet metal of the duct boot and the drywall are clearly visible in this image.

The gaps between the sheet metal of the duct boot and the drywall are clearly visible in this image.

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The location of furnace and water heater flues can be identified by going outside and looking for metal pipes coming through the roof.

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After spray foam dries, a utility knife can be used to carefully trim excess foam around the exhaust fan housing

After spray foam dries, a utility knife can be used to carefully trim excess foam around the exhaust fan housing

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Use a gun-type applicator for greater control when installing canned spray foam to the wall-to-slab seam.

Use a gun-type applicator for greater control when installing canned spray foam to the wall-to-slab seam.

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Right - Joints, seams, and nails in window trim have been caulked and seams in house wrap have been taped.

Right - Joints, seams, and nails in window trim have been caulked and seams in house wrap have been taped.

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Right - Electrical boxes and wood-to-wood joints in exterior or garage-to-house walls have been caulked

Right - Electrical boxes and wood-to-wood joints in exterior or garage-to-house walls have been caulked

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Conducting a Residential Duct Leakage Test and Blower Door Test: Duct blaster testing – Hooking up the duct blaster to the return register

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Video describing how to conduct a residential duct air leakage test, including how to hook up the duct blaster to the return register and how and why to neutralize the pressure of the home. Video 8 of 9.

FORTIFIED Home Inside FORTIFIED

Reference

Website providing resources for roofers to construct high-wind, hurricane, and hail-resistant roofs from IBHS Fortified program.

Foam Shrinks, and Other Lessons, PA-1201

Reference

Journal article describing lessons learned from updating a 16-year-old deep-energy retrofit.

IECC Climate Zone 1A: Unvented Attic, 2x6 Wall, Monolithic Slab

IECC Climate Zone 1A: Unvented Attic, 2x6 Wall, Monolithic Slab

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IECC Climate Zone 2A: Unvented Attic, 2x6 Wall, Monolithic Slab

IECC Climate Zone 2A: Unvented Attic, 2x6 Wall, Monolithic Slab

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IECC Climate Zone 2A: Unvented Attic, 2x6 Wall, Pier Foundation

IECC Climate Zone 2A: Unvented Attic, 2x6 Wall, Pier Foundation

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IECC Climate Zone 2B: Unvented Attic, CMU Wall, Slab on Grade

IECC Climate Zone 2B: Unvented Attic, CMU Wall, Slab on Grade

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IECC Climate Zone 2B: Vented Attic, Block Wall, Slab on Grade

IECC Climate Zone 2B: Vented Attic, Block Wall, Slab on Grade

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2021 IECC Climate Zone 4B: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade

2021 IECC Climate Zone 4B: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade

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2021 IECC Climate Zone 3A: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade

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2021 IECC Climate Zone 6B: Vented Attic, Strapped 2x6, Interior Insulated Basement

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