Homes, both old and new, often have many cracks and openings, especially around windows and doors. These cracks are prime sources of heat loss by air leakage—warm air seeps out through cracks and is replaced by cold, outdoor air. Annoying drafts are present near windows or doors which need weather...
Published May 1963. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog