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Lower wall insulation installation

Lower wall insulation installation

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Upper wall insulation installation

Upper wall insulation installation

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Single framed wall converted to double wall and insulated with closed-cell spray foam and loose-fill fibrous insulation

Single framed wall converted to double wall and insulated with closed-cell spray foam and loose-fill fibrous insulation

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Wrong - Insulation does not fill double wall cavity

Wrong - Insulation does not fill double wall cavity

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Upper wall insulation installation with butyl z-flashing

Upper wall insulation installation with butyl z-flashing

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Rigid insulation is installed on the exterior side of the flat foundation wall

Rigid insulation is installed on the exterior side of the flat foundation wall

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Spray Foam Insulation Applied over the Siding of Existing Exterior Walls

Guide

Guide describing how to install spray foam on the exterior of the existing home after framing over the existing siding.

Rigid insulation and water control layers are installed on the exterior of a flat foundation wall; spray foam insulates the rim joist

Rigid insulation and water control layers are installed on the exterior of a flat foundation wall; spray foam insulates the rim joist

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Deep energy retrofit showing insulation sprayed on exterior of walls over existing siding

Deep energy retrofit showing insulation sprayed on exterior of walls over existing siding

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Right – Walls, windows, and wiring are installed in the factory for these modular homes, which are installed at the site on basement foundations made of insulated concrete wall panels.

Right – Walls, windows, and wiring are installed in the factory for these modular homes, which are installed at the site on basement foundations made of insulated concrete wall panels.

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

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

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Siding has been removed so cellulose insulation can be dense-packed into the exterior walls of this home

Siding has been removed so cellulose insulation can be dense-packed into the exterior walls of this home

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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.

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.

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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.

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.

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If HVAC duct must be installed in an exterior wall, separate it from the exterior with at least R-6 of continuous rigid insulation

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Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.

Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.

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Insulating sheathing is extended up to the roof rafters and sealed around the framing with spray foam as part of this exterior wall retrofit

Insulating sheathing is extended up to the roof rafters and sealed around the framing with spray foam as part of this exterior wall retrofit

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Ledger board, metal brackets, and vertical 2x4s have been installed in preparation for exterior spray foam in this retrofit exterior wall insulation technique

Ledger board, metal brackets, and vertical 2x4s have been installed in preparation for exterior spray foam in this retrofit exterior wall insulation technique

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HVAC ducts, cavities used as ducts, and combustion inlets and outlets may pass perpendicularly through exterior walls but shall not be run within exterior walls unless at least R-6 continuous insulation is provided on exterior side of the cavity

HVAC ducts, cavities used as ducts, and combustion inlets and outlets may pass perpendicularly through exterior walls but shall not be run within exterior walls unless at least R-6 continuous insulation is provided on exterior side of the cavity

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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.

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.

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Right - XPS foam insulation is attached to the existing exterior wall with wood furring strips that serve as a nail base for the siding and are installed vertically to allow for drainage and drying behind the siding

Right - XPS foam insulation is attached to the existing exterior wall with wood furring strips that serve as a nail base for the siding and are installed vertically to allow for drainage and drying behind the siding

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What is Continuous Insulation — A Guide for Insulators and Contractors

Video

Video from IDI Distributers on how to comply with code and properly install continuous insulation, including taping seams and cutting properly.

Insulated Siding as Home Insulation: Guide for Users and Energy Raters

Reference

A guide for users and energy raters of insulated siding as home insulation.

Walls Behind Showers and Tubs (1)

Video

Video describing how to properly insulate walls behind showers and tubs.

Wrong - Cavity insulation not installed properly

Wrong - Cavity insulation not installed properly

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Wrong - Cavity insulation not installed properly

Wrong - Cavity insulation not installed properly

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Wrong - Cavity insulation not installed properly

Wrong - Cavity insulation not installed properly

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Wrong - Batt insulation installed backward

Wrong - Batt insulation installed backward

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Continuous Rigid Insulation Sheathing/Siding (1)

Video

Video describing exterior rigid foam insulation.

Insulation Installation (RESNET Grade 1) - Part 1

Video

Video describing how to properly install the OPTIMA insulation system.