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

CAD File

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

CAD File

Advanced Framing: Insulated Corners

Guide

Guide describing how to frame and insulate corners to reduce heat losses and gains though structural framing.

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

Image

The batt insulation shown here was properly installed to fill the ceiling cavities.

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

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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

The rim joists and top plates are air sealed and insulated with open-cell spray foam while the walls are filled with blown fiberglass.

Image

Limited attic access may make it necessary to use a bore scope when inspecting for missing air barriers and insulation in existing buildings.

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

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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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Skylight Shaft Walls

Guide

Guide describing insulation techniques for skylight shaft walls.

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.

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.

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 Duct and Flue Shafts

Guide

Guide describing how to air-seal duct and flue shafts.

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.

Air Sealing Bathroom and Kitchen Exhaust Fans

Guide

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

The walls and ceilings of this post-and-beam home are filled with netted blown fiberglass.

Image

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 - roof cavity insulation with rigid insulation closure

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

Advanced Framing: Insulated Corners

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

The batt insulation shown here was properly installed to fill the ceiling cavities.

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

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

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

The rim joists and top plates are air sealed and insulated with open-cell spray foam while the walls are filled with blown fiberglass.

Limited attic access may make it necessary to use a bore scope when inspecting for missing air barriers and insulation in existing buildings.

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

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.

Skylight Shaft Walls

Roof/Attic to Exterior Wall Air Control Upgrade

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

Building Code Training - Residential Thermal Envelope - Air Sealing

Air Sealing Duct and Flue Shafts

Air Sealing Drywall to Top Plate

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

Air Sealing Bathroom and Kitchen Exhaust Fans

The walls and ceilings of this post-and-beam home are filled with netted blown fiberglass.

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

Air sealing at attic hatch - finish screws

Air seal at cabinet soffit - single-story

Air sealing at skylight shaft

Air sealing at attic pull down attic stair

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