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Image:

Grill and duct size based on calculated requirements for net free area

Grill and duct size based on calculated requirements for net free area
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Heat loss through the roof of a home in a cold climate zone leads to snow melting to form ice dams.

Heat loss through the roof of a home in a cold climate zone leads to snow melting to form ice dams.
Case Study:

High Performance Builder Spotlight: LifeStyle Homes

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High-density closed-cell spray foam insulates the attic of this home in New Orleans.

High-density closed-cell spray foam insulates the attic of this home in New Orleans.
Video:

How to air seal attic can lights – Rule Your Attic! with ENERGY STAR

Video:

How to air seal attic electrical boxes – Rule Your Attic! With ENERGY STAR

Video:

How to air seal attic plumbing pipe – Rule Your Attic! with ENERGY STAR

Video:

How to Keep Attic Vent From Freezing Up in Winter

Video:

How to measure your attic’s insulation level – Rule Your Attic! with ENERGY STAR

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ICF walls and an attic sealed and insulated to R-63 on the underside of the roof deck with 10 inches of open‐cell spray foam plus 2.7 inches of closed‐cell spray foam provide a complete thermal break around this home.

ICF walls and an attic sealed and insulated to R-63 on the underside of the roof deck with 10 inches of open‐cell spray foam plus 2.7 inches of closed‐cell spray foam provide a complete thermal break around this home.
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IECC Climate Zone 1A: Flat Roof, Unvented, 2x6 Wall, Monolithic Slab on Grade

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

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

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

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, 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, Monolithic Slab on Grade

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

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

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

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

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

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