Project: Attic Retrofits Using Nailbase Insulated Panels:

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Summary

Retrofit of attics in older existing homes can help improve energy savings and occupant comfort.  For some attic types the process is simple - air seal and add insulation at the ceiling, but for many older attic types improvements are more challenging.

Goal

The primary goal of this project is to develop and demonstrate a value-added roof/attic retrofit solution using nailbase insulated panels for a range of older homes where traditional attic insulation approaches are not effective or feasible.

Impact

Enable improvements to energy efficiency, comfort, and durability for a large population of older homes by providing integrated strategies for retrofitting attics using nailbase insulated panels.

Key Idea/Takeaway

Prefabricated panels provide added insulation and structural nailbase backing for roofing, and their installation can be integrated during a re-roofing effort

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TEAM

Home Innovation Research Labs

Lead: Dave Mallay

Partners: SIPA, ACC, FPL, APA, IBHS, Manufacturers, Contractors

Types of attics in older homes not suitable for standard “pile-on insulation” upgrades (typical location of existing insulation is shown; insulated panels are not shown)

(1) Cathedral Ceiling:

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(2) Habitable Attics:

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(3) Storage/Equipment:

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Solution:

A single solution can be employed to help transform these attics and ultimately the house into a better performing system using prefabricated nailbase insulated panels.

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Nailbase Insulated Panels consist of rigid foam insulation laminated to a wood structural panel 

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Visit the U.S. Department of Energy "Building America" website for more information