Criteria are given for retrofit materials and products included in the DoE Weatherization Assistance Program. These materials and products are thermal insulation, storm windows and doors, replacement windows and doors, caulks and sealants, weatherstripping, vapor retarders, clock, thermostats, and replacement glazing. The criteria are based on a consideration of factors such as thermal performance, fire safety, durability, quality, conformance to building codes, use, and ease of installation.The retrofit materials and products are listed by generic type along with pertinent standards and specifications. Precautions to be followed during their installation are also given for each of the items. Fire safety requirements for thermal insulations are recommended with regard to the use and locations where they are installed.
Key words:caulks and sealants; clock thermostats; energy conservation; fire safety; insulation; replacement glazing; replacement windows and doors; retrofitting; storm windows and doors; vapor retarders; weatherization; weatherstripping.iii Since some of the information included in this present report was previously published in NBS Technical Note 982, the editors again wish to acknowledge their colleagues who assited in its preparation. Those individuals were