https://www.123articleonline.com/rss/author/315817/spray-foamArticles written by spray foam from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1317467/roi-or-return-on-investment-with-spray-foam-insulation The advantage of having a more tightly sealed home is that all of the air you have to afford to heat to a pleasant level is no longer fleeing through the inescapable gaps and cracks in the conventional air barrier.