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Insulated cantilever floor - cavity insulation with 1 inch rigid insulation closure

Insulated cantilever floor - cavity insulation with 1 inch rigid insulation closure

CAD File

Insulated cantilever floor - cavity insulation with 1 1/2 inch rigid insulation closure

Insulated cantilever floor - cavity insulation with 1 1/2 inch rigid insulation closure

CAD File

Insulated floor above garage - cavity insulation with 1 inch rigid insulation with 1x3 wood furring

Insulated floor above garage - cavity insulation with 1 inch rigid insulation with 1x3 wood furring

CAD File

Insulated floor above garage - cavity insulation with 1 inch rigid insulation with 2x2 wood furring

Insulated floor above garage - cavity insulation with 1 inch rigid insulation with 2x2 wood furring

CAD File

Insulated floor above garage - cavity insulation with 1 1/2 inch rigid insulation with 2x4 sleepers

Insulated floor above garage - cavity insulation with 1 1/2 inch rigid insulation with 2x4 sleepers

CAD File

Insulated floor above garage - cavity insulation with 1 1/2 inch rigid insulation with 1x3 wood furring

Insulated floor above garage - cavity insulation with 1 1/2 inch rigid insulation with 1x3 wood furring

CAD File

Existing band joist insulation retrofit with 1 1/2 inch rigid insulation

CAD File

Install rigid insulation and finish material below the framing and cavity insulation of a building overhang

Install rigid insulation and finish material below the framing and cavity insulation of a building overhang

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Wrong – Cantilever is not blocked or insulated.

Wrong – Cantilever is not blocked or insulated.

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Batt insulation is not an effective air barrier

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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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Wrong – Insulation is misaligned with floor above

Wrong – Insulation is misaligned with floor above

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Right – Insulation is in contact with floor above

Right – Insulation is in contact with floor above

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Wrong - This batt insulation is not aligned with the subfloor and joists.

Wrong - This batt insulation is not aligned with the subfloor and joists.

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Existing band joist insulation retrofit with spray foam

Existing band joist insulation retrofit with spray foam

CAD File

Insulating and Air Sealing Existing Floors above Unconditioned Spaces

Guide

Guide describing how to insulate a floor over an uninsulated basement or crawl space.

Wrong - Sub-floor insulation is not properly installed or supported.

Wrong - Sub-floor insulation is not properly installed or supported.

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Right - Sub-floor insulation is properly installed and supported.

Right - Sub-floor insulation is properly installed and supported.

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Wrong - Sub-floor insulation has gaps, compression, and misalignment.

Wrong - Sub-floor insulation has gaps, compression, and misalignment.

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Air barrier at garage band joist - 1 1/2 inch rigid insulation with 2x4 sleepers

CAD File

Right – Cantilever has been properly insulated, air sealed, and cavity has been blocked.

Right – Cantilever has been properly insulated, air sealed, and cavity has been blocked.

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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.

Air seal the floor above an unconditioned basement or crawlspace and make sure floor insulation is in full contact with the underside of the subfloor.

Air seal the floor above an unconditioned basement or crawlspace and make sure floor insulation is in full contact with the underside of the subfloor.

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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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Air seal the top, bottom, and sides of a cantilevered floor cavity and ensure that insulation is in full contact with all sides without voids.

Air seal the top, bottom, and sides of a cantilevered floor cavity and ensure that insulation is in full contact with all sides without voids.

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Air-seal the floor above a garage when there is living space above the garage and make sure floor insulation is in full contact with the underside of the subfloor.

Air-seal the floor above a garage when there is living space above the garage and make sure floor insulation is in full contact with the underside of the subfloor.

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Floor Above Garage

Guide

Guide describing how to create an air barrier between the garage and the conditioned space above it to prohibit pollutants from entering a home's interior.

Floor Above Unconditioned Basement or Vented Crawlspace

Guide

Guide describing how to air-seal and insulate the floor above an unconditioned basement or crawl space.

Cantilevered Floor

Guide

Guide describing how to air-seal and insulate a cantilevered floor.

Building Code Training - Residential Thermal Envelope - Air Sealing

Presentation

Presentation describing the Georgia State Minimum Standard Energy Code air barrier requirements, envelope concepts including air flow and thermal properties, and common missed insulation and air-sealing opportunities.