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Spray foam insulation is installed in open wall cavities to air seal and insulate

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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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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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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.

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.

Insulation Installation Achieves RESNET Grade 1

Guide

Guide describing RESNET Grade 1-level installation of insulation in walls, attics, and floors.

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.