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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 2x2 wood furring

DWG

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

DWG

PDF

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

DWG

PDF

This heated garage plenum is insulated along the bottom and sides, and the insulation is fully aligned with an air barrier. The insulation at the bottom of the plenum space meets IECC insulation requirements.

Publication Date

Sat, 09/14/2024 - 12:00

Insulating Garages in Multifamily Buildings

Guide describing how to properly insulate garages in multifamily buildings.

Insulating Existing Floors over Garage

Guide with information about how to upgrade a garage ceiling when a portion of the interior of the house is located directly above the attached garage by adding insulation and air sealing.

This heated garage plenum space is insulated along its top, bottom and sides, and the insulation at the top of the plenum meets IECC requirements. The insulation along the top and sides is fully aligned with an air barrier.

Publication Date

Sat, 09/14/2024 - 12:00

Insulating Heated Garage Plenums in Multifamily Buildings

Guide providing methods for insulating heated garage plenums in multifamily parking garages.

This hot climate zone home uses high quality batt insulation between studs to insulate this connecting garage wall.

Publication Date

Thu, 01/01/2015 - 12:00

Drop-in ceiling assemblies consisting of suspended ceiling tiles (common in multifamily buildings) are often insulated with fiberglass or mineral wool batt insulation.

Publication Date

Sat, 09/14/2024 - 12:00

Unfaced batt insulation completely fills the wall cavities.

This assembly for above-grade or below-grade garage walls in any climate zone uses a hybrid of continuous rigid insulation and cavity insulation on the interior side of the wall.

Publication Date

Sat, 09/14/2024 - 12:00

Right - This heated garage plenum has insulated ceiling tiles.

Publication Date

Sat, 09/14/2024 - 12:00

Rigid foam insulating sheathing installed over an existing garage ceiling with retrofits to air seal exterior wall before adding exterior wall insulating sheathing

Publication Date

Mon, 07/01/2013 - 12:00

Rigid Foam Insulation Installed Between Existing House and Garage Walls

Guide describing how to upgrade walls that separate the garage from the house by providing a continuous air control layer on the garage side of the wall and adding rigid foam insulation.

Right - This heated garage plenum is insulated along the bottom of the plenum space.

Publication Date

Sat, 09/14/2024 - 12:00

Right – Spray foam insulates the walls and ceilings separating the garage from the home.

Publication Date

Mon, 09/30/2019 - 12:00

Insulating the exterior and garage-side faces of the plaza deck can reduce thermal bridging. If the garage is heated or partially heated, the faced batt insulation on the garage side of the plaza deck should extend to perimeter of garage.

Publication Date

Tue, 09/17/2024 - 12:00

Heated or partially heated garages with podium decks should be thermally isolated from both ambient exterior space and interior conditioned space by insulating the interior of the garage walls and ceiling and extending the insulation below grade.

Publication Date

Tue, 09/17/2024 - 12:00

Air barrier at garage band joist - 1 inch rigid insulation with 1x3 wood furring

DWG

PDF

Air barrier at garage band joist - 1 inch rigid insulation with 2x2 wood furring

DWG

PDF

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

DWG

PDF

Right - This heated garage plenum is insulated and has an opening to access the interior, allowing for repairs and maintenance.

Publication Date

Sat, 09/14/2024 - 12:00

Insulating both exterior and garage-side faces of plaza deck can reduce thermal bridging. If garage is heated or partially heated, hybrid spray foam/batt insulation on garage side of plaza deck should extend to the perimeter of the garage.

Publication Date

Tue, 09/17/2024 - 12:00

Rigid foam insulation is installed on the garage side of the shared garage wall and roof of an existing home

Publication Date

Mon, 07/01/2013 - 12:00

Right - Fiberglass/mineral wool insulation thermally isolates the garage from the interior occupied space above.

Publication Date

Sat, 09/14/2024 - 12:00

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

Publication Date

Tue, 09/17/2024 - 12:00

Rigid insulation and air-sealing can be used to thermally isolate garages from interior occupied space in multifamily row houses/townhouses.

Publication Date

Sat, 09/14/2024 - 12:00

Right - The ceiling above the garage is insulated and air-sealed with open-cell spray foam to keep garage fumes out of the living space above.

Publication Date

Thu, 09/30/2021 - 12:00

Rigid foam insulating sheathing is installed on existing garage ceiling and covered with a new gypsum board fire protection layer installed over the foam.

Publication Date

Mon, 07/01/2013 - 12:00

Rigid insulation can be used as a thermal break between a garage slab with a heated plenum space and a separately cast garage slab without a heated plenum space.

Publication Date

Sat, 09/14/2024 - 12:00

To ensure a complete air barrier between the garage and the house, the wall between the garage and the house was insulated and air-sealed with four inches of high-density spray foam.

Side view showing air-sealing and rigid foam insulation is installed over existing wall and ceiling under a room above, then covered with new gypsum board.

Publication Date

Mon, 07/01/2013 - 12:00

Side view showing how the existing garage wall and ceiling are air-sealed prior to installing rigid foam insulation on the garage side of the shared wall of an existing home.

Publication Date

Mon, 07/01/2013 - 12:00

This wall assembly for above-grade garage walls uses cavity insulation and should only be used in IECC Climate Zones 4 or lower due to the risk of condensation on the interior surface of the concrete wall.

Publication Date

Tue, 09/17/2024 - 12:00

Insulating the exterior and garage-side faces of the garage plaza deck can reduce thermal bridging. If the garage is heated or partially heated, the spray foam on the garage side of the plaza deck should extend to perimeter of garage.

Publication Date

Tue, 09/17/2024 - 12:00

Assembly can be used in IECC CZ 3 and above to thermally isolate garages in multifamily row houses with slab foundations. For unheated garages, it is unnecessary to insulate wall between garage and exterior of slab or slab underneath garage.

Publication Date

Sat, 09/14/2024 - 12:00

Plan view (from above) showing how the existing garage wall gypsum board is cut away to air-seal the shared wall before adding rigid foam insulation on the garage and exterior walls of the home.

Publication Date

Mon, 07/01/2013 - 12:00

Thermally isolate heated garages in multifamily buildings from ambient space, and thermally isolate all garages in multifamily buildings from interior occupied space. This parking garage is thermally isolated from space above with spray foam insulation.

Publication Date

Tue, 09/17/2024 - 12:00

Garage Rim/Band Joist Adjoining Conditioned Space

Publication Date

July, 2015

Video describing best practices for air sealing an attached garage during construction using plywood and spray foam in the band joist and providing an exhaust fan to ventilate and depressurize the attic.

Builders Challenge High Performance Builder Spotlight: Kacin Homes, Pittsburgh, Pennsylvania

Author(s)

U.S. Department of Energy

Organization(s)

DOE

Publication Date

January, 2008

Case study describing a building project in the cold and very-cold climate zones.

Heated recirculation plenum spaces can be installed in parking garages in cold climates to prevent pipes from freezing and warm the floor of occupied space directly above the garage.

Publication Date

Sat, 09/14/2024 - 12:00

This assembly can be used to thermally isolate heated or partially heated garages with slab foundations from the exterior in multifamily row houses/townhouses in IECC Climate Zones 3 and higher.

Publication Date

Sat, 09/14/2024 - 12:00

A Thermally Broken Steel Connection

Author(s)

West Chris

Organization(s)

Journal of Light Construction,

JLC

Publication Date

April, 2017

Article describing methods for thermally isolating a garage in a Passive House-certified multifamily building.

The original corner seam is air-sealed with caulk, then rigid foam is installed on the existing garage ceiling and walls, and finally covered with drywall.

Publication Date

Mon, 07/01/2013 - 12:00

Existing Whole-House Solutions Case Study: Historic Home in Eastern Washington

Author(s)

Pacific Northwest National Laboratory

Organization(s)

PNNL

Publication Date

December, 2011

Case study describing a cost-effectively reducing energy use by over 50% in an existing home.