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Exterior XPS basement insulation is correctly installed to completely cover the foundation wall

Exterior XPS basement insulation is correctly installed to completely cover the foundation wall

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This house with interior insulated crawlspace is protected from pests with termite shield at sill plate, borate-treated framing, flashing at end of wall insulation, and a termite inspection gap at the top of the rigid foam

This house with interior insulated crawlspace is protected from pests with termite shield at sill plate, borate-treated framing, flashing at end of wall insulation, and a termite inspection gap at the top of the rigid foam

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Right - A corrugated metal closure conceals the exterior rigid insulation at the slab edge

Right - A corrugated metal closure conceals the exterior rigid insulation at the slab edge

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Right – Prepoured foundation panels with integrated insulation and vapor barrier are installed in place.

Right – Prepoured foundation panels with integrated insulation and vapor barrier are installed in place.

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UAF Cooperative Extension Service: Radon Mitigation in Super-Insulated Slab

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Video describing radon precautions taken for a construction project in a high-risk radon area in Alaska.

Technology Solutions Case Study: Innovative Retrofit Foundation Insulation Strategies, Minneapolis, Minnesota

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Case study describing methods to retrofit foundations and basements in climate zones 6 and 7.

Right – The foundation wall consists of prefab concrete wall panels with integrated insulation.

Right – The foundation wall consists of prefab concrete wall panels with integrated insulation.

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Assembly Sequence for Slab-on-Grade Foundation with Integral Grade Beam and Exterior Insulation

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Video animation showing an assembly sequence for slab-on-grade foundation with integral grade beam and exterior insulation.

This house with an insulated slab is protected from pests with a termite shield at the sill plate, borate-treated framing, insect screen covering bottom of furring air gap, and brick veneer over slab-edge insulation

This house with an insulated slab is protected from pests with a termite shield at the sill plate, borate-treated framing, insect screen covering bottom of furring air gap, and brick veneer over slab-edge insulation

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Right - The concrete basement wall is insulated on the interior with rigid foam; the footing detail is shown.

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Unvented crawl space with interior insulation - designed for termite resistance in heavily infested areas

Unvented crawl space with interior insulation - designed for termite resistance in heavily infested areas

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Right - Rigid foam insulation is installed along the exterior edge of an existing foundation slab.

Right - Rigid foam insulation is installed along the exterior edge of an existing foundation slab.

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Right - This rigid insulation is correctly installed in a level layer over aggregate; the seams will be taped

Right - This rigid insulation is correctly installed in a level layer over aggregate; the seams will be taped

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In cold climates, install slab edge insulation when pouring slab on grade foundations.

In cold climates, install slab edge insulation when pouring slab on grade foundations.

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Wrong – The insulated concrete forms at the foundation do not have a damp-proof coating

Wrong – The insulated concrete forms at the foundation do not have a damp-proof coating

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Assembly Sequence for Slab-on-Grade Foundation with Concrete Stem Wall and Under Slab Insulation

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Video animation showing an assembly sequence for slab-on-grade foundation with stem wall and under slab insulation.

2021 IECC Climate Zone 4C: Vented Attic, 2x4 Wall, Interior Insulated Basement

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

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2021 IECC Climate Zones 7 and 8: Vented Attic, Strapped 2x6, Interior Insulated Basement

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2021 IECC Climate Zone 5C: Vented Attic, Strapped 2x6, Interior Insulated Basement

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2021 IECC Climate Zone 6A: Vented Attic, 2x4 Wall, Interior Insulated Basement

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

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2021 IECC Climate Zone 6B: Vented Attic, 2x4 Wall, Interior Insulated Basement

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2021 IECC Climate Zone 4C: Vented Attic, Strapped 2x6, Interior Insulated Basement

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2021 IECC Climate Zone 5A: Vented Attic, 2x4 Wall, Interior Insulated Basement

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2021 IECC Climate Zone 5B: Vented Attic, Strapped 2x6, Interior Insulated Basement

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2021 IECC Climate Zone 5C: Vented Attic, 2x4 Wall, Interior Insulated Basement

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2021 IECC Climate Zone 5A: Vented Attic, Strapped 2x6, Interior Insulated Basement

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2021 IECC Climate Zone 5B: Vented Attic, 2x4 Wall, Interior Insulated Basement

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2021 IECC Climate Zones 7 and 8: Vented Attic, 2x4 Wall, Interior Insulated Basement

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