Measure Guideline: Sealing and Insulating of Ducts in Existing Homes

Research output: NRELSubcontract Report


This document begins with a discussion on potential cost and performance benefits of duct sealing and insulating. It continues with a review of typical duct materials and components and the overall procedures for assessing and improving the duct system.
Original languageAmerican English
Number of pages62
StatePublished - 2011

Bibliographical note

Work performed by Steven Winter Associates, Inc. for the Consortium for Advanced Residential Buildings (CARB), Norwalk, CT

NREL Publication Number

  • NREL/SR-5500-53494

Other Report Number

  • DOE/GO-102011-3474


  • air sealing
  • airflow
  • combustion safety
  • ducts
  • insulating duct wrap
  • mastic
  • retrofit
  • tapes


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