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Batt insulation is installed at the attic floor

Batt insulation is installed at the attic floor

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The attic kneewall and the open floor cavities under kneewall are both sealed and insulated in one step with spray foam insulation

The attic kneewall and the open floor cavities under kneewall are both sealed and insulated in one step with spray foam insulation

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EPS Foam Insulation | Madrona Passive House

Video

Video discussing the EPS foam insulation used on the floor of a passive house.

Wrong - Rim joist cavity missing insulation

Wrong - Rim joist cavity missing insulation

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Rigid Foam Insulation Installed over Existing Foundation Slabs

Guide

Guide describing how to insulate an existing slab floor by adding rigid foam insulation over the slab then installing a floating subfloor.

BSC Information - Slab Edge Insulation for All Climates, Sheet 513

Reference

Information sheet about insulating slabs.

Rigid foam insulation and a thin slab were installed over the dirt and gravel of this sealed crawlspace

Rigid foam insulation and a thin slab were installed over the dirt and gravel of this sealed crawlspace

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Closed-cell spray foam insulation covers the attic floor to provide a continuous air control layer.

Closed-cell spray foam insulation covers the attic floor to provide a continuous air control layer.

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Right - Spray foam insulation air-seals the ceiling-to-drywall seams at the wall top plate.

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Right - Closed-cell spray foam covers the ceiling and joists to insulate and air-seal the ceiling deck.

Right - Closed-cell spray foam covers the ceiling and joists to insulate and air-seal the ceiling deck.

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Right - Retrofit of an existing basement slab by adding dimple plastic mat, rigid foam insulation, and a floating subfloor.

Right - Retrofit of an existing basement slab by adding dimple plastic mat, rigid foam insulation, and a floating subfloor.

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New Whole-House Solutions Case Study: Exterior Rigid Foam Insulation at the Edge of a Slab Foundation, Fresno, California

Case Study

Case study describing application of exterior rigid foam insulation on a foundation system.

Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall

Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall

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An IR camera image shows gaps around HVAC flue pipes allow conditioned air to leak through blown fiberglass into the attic

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