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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

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Install wood framing cross pieces in the attic rafter bays on each side of the duct chase

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

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IECC Climate Zone 2B: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade

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

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

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

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IECC Climate Zone 3B: Vented Attic, 2x6 Wall, Monolithic Slab on Grade

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Install wood framing cross pieces in the attic rafter bays on each side of the duct chase

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Wrong - This attic access hatch cover is not insulated

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Condensation Control in Attics and Roofs in Cold Weather

Guide

Guide describing causes of condensation in attics and roof assemblies during cold weather and ways to reduce this condensation.

IECC Climate Zone 1A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade

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IECC Climate Zone 2A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade

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

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IECC Climate Zone 3A: Vented Cathedral Celling, 2x6 Wall, Vented Crawl Space

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

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

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Right - This attic catch cover is insulated with rigid foam

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Unvented Conditioned Attic with Spray Foam Insulation Below Roof Deck

Guide

Guide describing a method for insulating an unvented attic by spraying foam insulation along the underside of the roof deck.

Unvented Attic Insulation (2)

Video

Video describing how to spray foam unvented attics.

Wrong - Batt insulation does not provide complete coverage across the attic floor so ceiling joists are exposed resulting in thermal bridging.

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Right - A wood dam was constructed to hold back the attic floor insulation

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IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall/CMU Wall, Elevated Slab

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IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall/CMU Wall, Elevated Slab

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Unvented Attic Insulation (1)

Video

Video describing how to spray foam unvented attics.

New Whole-House Solutions Case Study: Schneider Homes, Inc., Village at Miller Creek, Burien, WA

Case Study

Case study describing new home construction in the marine climate that achieved 50% savings over the 2004 IECC.

Attic Eave Minimum Insulation

Guide

Guide providing guidance on insulating attic eaves in new and existing single-family homes and multifamily buildings.

This interior wall is intersected by two ceilings of different heights; it is built as two walls stacked on one another, each having a bottom and top plate which act as barriers to airflow between levels.

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DOE ZERH HIA 2017 Case Study: United Way of Long Island, United Veterans Beacon House, Huntington Station, NY

Case Study

Case study showing project and performance data and energy-efficiency measures for a DOE 2017 Housing Innovation Award winning home that was certified to the DOE Zero Energy Ready Home criteria.