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No insulation installed in cavity and not air sealed

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Pumpkin Ridge Passive House Video #15: Window Install Prep & Air Sealing

Video

Video describing how to prep and air seal the wall cavity for window installation.

Infrared thermography during depressurization testing reveals air leakage at corner of spray foam-insulated room where wood-to-wood seams in framing were not air sealed

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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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Unvented roof assembly at rake retrofitted with spray foam installed along the underside of the roof deck and extended to the rake edge to insulate and air seal the attic

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Vented roof assembly at eave retrofitted with rigid foam, spray foam, and fully adhered membrane to air seal the top of wall-to-roof transition

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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.

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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.

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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.

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Right – Closed-cell spray foam seals the wall cavities.

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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.

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

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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

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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and a fully adhered membrane seal at the top of wall-to-roof transition

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Spray Foam Upper Walls Adjoining Unconditioned Attics

Video

Video describing how to insulate skylight shafts and knee walls correctly.

Advances in Manufactured Home Energy Efficient Design

Presentation

Webinar explaining advances in energy efficient design for manufactured homes.

HVAC Ducts Shall Not Be Run within Exterior Walls

Guide

Guide describing the use of building cavities as supply or return ducts.

Building America Existing Home Case Study: Insulated Siding Retrofit in a Cold Climate, New Paltz, New York

Case Study

Case study describing the application of insulated siding on an existing home.

JM Spider® Drill & Fill Installation Guide

Reference

The purpose for this document is to provide basic guidance on the use of proven installation techniques that can be used by installers to help ensure correct “dense pack” application of JM Spider® in drill & fill applications.

Technology Solutions Case Study: Stand-Off Furring in Deep Energy Retrofits

Case Study

Case study describing a stand-off furring strategy that minimizes the physical connections to each existing wall stud, uses spray foam to encapsulate existing siding materials (including lead paint), and creates a vented rain screen assembly to promote drying.

Vented roof assembly at rake retrofitted with spray foam and additional insulation installed at the attic floor and extended to the rake edge

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Unvented roof assembly at eave retrofitted with rigid foam, spray foam, and taped top edge of existing house wrap or building paper

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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.