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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

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

Publication Date
Image

Above Deck Rigid Foam Insulation for Existing Roofs

Guide describing the installation of insulating sheathing above the roof deck on existing homes. This retrofit assembly is appropriate for homes with conditioned attics or where the retrofit is intended to create a conditioned attic.
Guide
Limited attic access can make inspections for missing air barriers and insulation challenging

Limited attic access can make inspections for missing air barriers and insulation challenging

Publication Date
Image
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.

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

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

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

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

Publication Date
Image

Vented versus Unvented Attic

Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.
Guide

Wind Washing

Guide describing wind washing and how to prevent it.
Guide

Advanced Framing vs Traditional Framing

Publication Date
Author(s)
Risinger
Organization(s)
Build with Matt Risinger
Video describing traditional 2x4 16 inch on center framing versus advanced framing with 2x6 stud walls at 24 inch on center, insulated corners and headers, wall stud-ceiling joist alignment, etc. providing a strong wall with more room for insulation.
Video

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

Author(s)
IBACOS
Organization(s)
IBACOS
Publication Date
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.
Case Study

Mass Save Deep Energy Retrofit Builder Guide, GM-1302

Author(s)
Neuhauser Ken,
Gates Cathy,
Pettit Betsy
Organization(s)
Building Science Corporation,
BSC
Publication Date
Guidebook providing useful examples of high performance retrofit techniques for the building enclosure of wood frame residential construction in a cold and somewhat wet climate.
Reference