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2021 IECC Climate Zone 3A: Unvented Attic, 2x4 Wall with Exterior Insulation, Unvented Crawlspace (with notes)

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New Whole-House Solutions Case Study: Home Front Inc.: Hot, Humid Climate Region 40+% Energy Savings

Case Study

Case study describing a building project in the hot-humid climate zone.

New Whole-House Solutions Case Study: K2 Urbancorp, LLC.: Hot, Humid Climate Region 40+% Energy Savings

Case Study

Case study describing a building project in the hot-humid climate zone.

New Whole-House Solutions Case Study: J. Cherry & Sons: Hot, Humid climate Region 40+% Energy Savings

Case Study

Case study describing a high-efficient building project in St. Lucie, FL.

New Whole-House Solutions Case Study: Affordable Cold Climate Infill Housing with Hybrid Insulation Approach, Wyandotte, Michigan

Case Study

Case study describing a new construction project using high R-value enclosures with a hybrid insulation approach.

IECC Climate Zone 1A: Unvented Attic with Spray foam at Roof Deck, 2x6 Wall-CMU Wall, Elevated Slab

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2021 IECC Climate Zone 4C: Vented Over-Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

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2021 IECC Climate Zone 6A: Vented Over-Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

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2021 IECC Climate Zone 6B: Vented Over-Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

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2021 IECC Climate Zone 5C: Vented Over Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

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2021 IECC Climate Zone 5A: Vented Over Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

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2021 IECC Climate Zone 5B: Vented Over Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

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2021 IECC Climate Zones 7 and 8: Vented Over-Roof, Unvented Cathedral Ceiling, 2x6 Wall, Interior Insulated Basement

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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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This assembly for above-grade and below-grade garage walls in any climate zone uses continuous rigid insulation along the interior of the wall.

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2021 IECC Climate Zone 2A: Unvented Attic with Spray Foam at Roof Deck, 2x6 Wall-CMU Wall, Elevated Slab

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2021 IECC Climate Zone 4C: Unvented Attic, 2x6 Wall with Exterior Insulation, Frost-Protected Shallow Foundation (with notes)

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2021 IECC Climate Zone 4C: Vented Attic, 2x4 Wall with Exterior Insulation, Basement with Interior and Exterior Insulation (with notes)

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2021 IECC Climate Zone 3A: Unvented Flat Roof, 2x4 Wall with Exterior Insulation, Monolithic Slab on Grade (with notes)

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Building America Special Research Project - High R-Value Enclosures for High Performance Residential Buildings in All Climate Zones, BA-1005

Reference

This report will review, and summarize the current state of understanding and research into enclosures with higher thermal resistance, so-called “High-R Enclosures.” Recommendations are provided for further research.

Masonry wall interior retrofit with fluid-applied water control layer and wood-framed wall with cavity insulation (climate zones 1-4 only)

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2021 IECC Climate Zone 3A: Unvented Flat Roof with Continuous Insulation, Steel Frame Wall, Monolithic Slab on Grade (with notes)

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Construction Guide - Next Generation High Performance Walls in Climate Zones 3-5 Part 2: 2x4 Walls with 1” to 1.5” Exterior Insulative Sheathing

Reference

The Guide addresses walls constructed with 2x4 wood frame studs, wood structural panel sheathing (WSP) as wall bracing and added backing for foam sheathing, a layer of rigid foam sheathing insulation up to 1.5 inches thick over the WSP, and a cladding system installed over the foam sheathing in low...

Construction Guide - Next Generation High Performance Walls in Climate Zones 3-5, Part II: 2x4 Walls with 1” - 1.5” Exterior Insulative Sheathing

Reference

The Guide addresses walls constructed with 2x4 wood frame studs, wood structural panel (WSP) sheathing as wall bracing and added backing for foam sheathing, a layer of rigid foam sheathing insulation up to 1.5 in. thick over the WSP, and a cladding system installed over the foam sheathing in low...