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Conceptual insulation at cape-style roof - ceiling and knee wall cavity insulation

CAD File

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

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

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The dark purple areas and long streaks in this IR camera image show extreme cold spots along the top of the walls, indicating a lack of both air sealing and insulation above the top plates of these walls.

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Right – Closed-cell spray foam insulates and air-seals the rim joist above a shared wall between the garage and living space.

Image

Conceptual insulation at cape-style roof - roof cavity insulation with rigid insulation closure

CAD File

Skylight Shaft Walls

Guide

Guide describing insulation techniques for skylight shaft walls.

Insulating Existing Floors over Garage

Guide

Guide describing how to insulate and air seal the floor joists over a garage when there is loving space above the garage.

Roof/Attic to Exterior Wall Air Control Upgrade

Guide

Guide describing how to retrofit an exterior wall and/or attic to provide continuous air sealing.

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

Image

Unvented Attic Insulation

Guide

Guide describing methods for insulating an unvented attic along the roof line.

Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces

Guide

Guide describing how to correctly air-seal a wall with missing top plates or open wall cavities.

This builder applied an air-sealing layer of spray foam along the underside of the roof deck and the inside of the walls before filling the wall cavities with blown cellulose.

Image

Spray Foam Insulation Applied to Existing Attic Floor

Guide

Guide describing how to apply spray foam insulation to the floor of the attic in existing homes.

Conceptual insulation practice at attic-style truss system - above unconditioned space

CAD File

Conceptual insulation practice at attic-style truss system - above conditioned space

CAD File

Cut-away view showing unsealed gaps around a heating duct that goes through a wall

Image

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

Image

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.

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Dropped Ceiling/Soffit Below Unconditioned Attic

Guide

Guide describing how to insulate and air-seal dropped ceilings and soffits to prevent air leakage.

Air Sealing Drywall to Top Plate

Guide

Guide describing ways to seal drywall to the top plate of an exterior wall to air-seal the wall cavity.

DOE ZERH HIA 2017 Case Study: Thrive Home Builders, Courtyard Rows, Lone Tree, CO

Case Study

Case study describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winner that scored HERS 41 without PV and 8 with PV.

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.

Air Sealing Bathroom and Kitchen Exhaust Fans

Guide

Guide describing how to air-seal bathroom and kitchen exhaust fans.

Air sealing at skylight shaft

CAD File

This kneewall has no top plate and the resulting gap provides a wide-open pathway for air and vapor to travel between the living space and the attic

Image

Conceptual insulation at cape-style roof - ceiling and knee wall cavity insulation

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

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

The dark purple areas and long streaks in this IR camera image show extreme cold spots along the top of the walls, indicating a lack of both air sealing and insulation above the top plates of these walls.

Right – Closed-cell spray foam insulates and air-seals the rim joist above a shared wall between the garage and living space.

Conceptual insulation at cape-style roof - roof cavity insulation with rigid insulation closure

Skylight Shaft Walls

Insulating Existing Floors over Garage

Roof/Attic to Exterior Wall Air Control Upgrade

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

Unvented Attic Insulation

Install Top Plates or Blocking at the Top of Walls Adjoining Unconditioned Spaces

This builder applied an air-sealing layer of spray foam along the underside of the roof deck and the inside of the walls before filling the wall cavities with blown cellulose.

Spray Foam Insulation Applied to Existing Attic Floor

Conceptual insulation practice at attic-style truss system - above unconditioned space

Conceptual insulation practice at attic-style truss system - above conditioned space

Cut-away view showing unsealed gaps around a heating duct that goes through a wall

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

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.

Dropped Ceiling/Soffit Below Unconditioned Attic

Air Sealing Drywall to Top Plate

DOE ZERH HIA 2017 Case Study: Thrive Home Builders, Courtyard Rows, Lone Tree, CO

Building Code Training - Residential Thermal Envelope - Air Sealing

Air Sealing Bathroom and Kitchen Exhaust Fans

Air sealing at skylight shaft

This kneewall has no top plate and the resulting gap provides a wide-open pathway for air and vapor to travel between the living space and the attic

Small Commercial Building Fact Sheet - Building Envelope

New Whole-House Solutions Case Study: Nelson Construction: Hamilton Way, Farmington, CT

Air sealing at attic hatch - finish screws

Air seal at cabinet soffit - single-story