Evaluating an Exterior Insulation and Finish System for Deep Energy Retrofits

J. Dentz, D. Podorson

Research output: NRELSubcontract Report

Abstract

Exterior insulation and finish systems (EIFS) are proprietary synthetic formulations that are applied to the exterior walls of buildings to serve as insulation and exterior cladding. The insulation thickness can vary from less than one inch to a foot or more. In this project the applicability of EIFS for residential deep energy retrofits was investigated through modeling and a case study home.The home was retrofitted using a site-applied four-inch-thick EIFS. Site-specific details were developed as required for the residential retrofit application. Site work and the costs of the EIFS system were documented. The demonstration home was modeled using Building Energy Optimization energy and cost analysis software to explore cost effectiveness of various EIFS insulation thicknesses in two climate locations.
Original languageAmerican English
Number of pages42
StatePublished - 2014

Bibliographical note

Work performed by the ARIES Collaborative, New York, New York

NREL Publication Number

  • NREL/SR-5500-61005

Other Report Number

  • DOE/GO-102014-4341

Keywords

  • air tightness
  • ARIES
  • blower door test
  • Building America
  • deep energy enclosure retrofits (DER)
  • EE
  • EE
  • EIFS
  • energy efficiency
  • energy modeling
  • exterior insulation and finish system
  • residential
  • residential buildings

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