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Air Sealed, Insulated Basements

Guide

Guide describing how to insulate a basement to improve the overall thermal performance of the building and provide more dry, usable conditioned space for home occupants and HVAC equipment.

Air sealing at corner vertical chase

CAD File

Multi-Family Construction Air Sealing Guide

Reference

Report providing guidance to air-sealing multifamily homes.

Air sealing at corner vertical bathtub chase

CAD File

Air sealing at platform for manufactured fireplace assembly

CAD File

Air sealing at attic hatch - finish screws

CAD File

Air seal at cabinet soffit - single-story

CAD File

Conceptual air sealing strategy - lower wall section

CAD File

Conceptual air sealing strategy - upper wall section

CAD File

Air sealing at attic pull down attic stair

CAD File

Air sealing at common wall between dwelling units

CAD File

Air Sealing and Insulating Walls to Reduce Heat Gain

Information Guide

Information guide listing Building America Solution Center guides that describe ways to air-seal and insulate a new or existing home's walls to resist heat gain.

Air sealing behind shower with thin-profile sheathing

CAD File

Air sealing behind shower with cavity rigid insulation

CAD File

Air sealing behind tub with cavity rigid insulation

CAD File

Insulating and Air Sealing Existing Floor Overhangs (Cantilevers)

Guide

Guide describing how to insulate a floor overhang (or cantilever) on an existing home by adding insulation and an air barrier to air seal the floor joist bays under the cantilever.

Right – The knee wall is properly insulated and air sealed.

Image

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.

Conceptual air sealing strategy at upper floor band joist

CAD File

Air sealing behind tub with thin-profile sheathing - section

CAD File

Right – The backing on this knee wall was air sealed prior to insulation.

Image

Right - Spray foam fills the walls and rim joists to air seal and insulate while caulk seals the framing joints.

Image

Spray foam insulates and air seals the underside of the attic roof and walls.

Image

Wrong – The backing on this knee wall was not air sealed prior to adding insulation.

Image

Wrong – The batt insulation on this knee wall is not properly supported and there is no air sealed rigid backing to provide a solid air barrier.

Image

Measure Guideline: Wall Air Sealing and Insulation Methods in Existing Homes - An Overview of Opportunity and Process

Reference

Document providing renovators and retrofit contractors an overview of considerations when including wall air sealing and insulation in an energy retrofit project.

One way to air seal and insulate kneewalls – add insulation and a rigid air barrier along roof line of unconditioned attic space outside kneewall

Image

The rim band connecting the insulated precast concrete basement walls to the floor joists above is spray foamed to provide air-sealing and insulation in this hard-to-seal juncture.

Image

Air sealing at skylight shaft

Air sealing at double walls

Air Sealed, Insulated Basements

Air sealing at corner vertical chase

Multi-Family Construction Air Sealing Guide

Air sealing at corner vertical bathtub chase

Air sealing at platform for manufactured fireplace assembly

Air sealing at attic hatch - finish screws

Air seal at cabinet soffit - single-story

Conceptual air sealing strategy - lower wall section

Conceptual air sealing strategy - upper wall section

Air sealing at attic pull down attic stair

Air sealing at common wall between dwelling units

Air Sealing and Insulating Walls to Reduce Heat Gain

Air sealing behind shower with thin-profile sheathing

Air sealing behind shower with cavity rigid insulation

Air sealing behind tub with cavity rigid insulation

Insulating and Air Sealing Existing Floor Overhangs (Cantilevers)

Right – The knee wall is properly insulated and air sealed.

Building Code Training - Residential Thermal Envelope - Air Sealing

Conceptual air sealing strategy at upper floor band joist

Air sealing behind tub with thin-profile sheathing - section

Right – The backing on this knee wall was air sealed prior to insulation.

Right - Spray foam fills the walls and rim joists to air seal and insulate while caulk seals the framing joints.

Spray foam insulates and air seals the underside of the attic roof and walls.

Wrong – The backing on this knee wall was not air sealed prior to adding insulation.

Wrong – The batt insulation on this knee wall is not properly supported and there is no air sealed rigid backing to provide a solid air barrier.

Measure Guideline: Wall Air Sealing and Insulation Methods in Existing Homes - An Overview of Opportunity and Process

One way to air seal and insulate kneewalls – add insulation and a rigid air barrier along roof line of unconditioned attic space outside kneewall

The rim band connecting the insulated precast concrete basement walls to the floor joists above is spray foamed to provide air-sealing and insulation in this hard-to-seal juncture.