If you have an unfinished basement that has yellow insulation against the concrete and white on the outside, many contractors are suggesting that this product should be removed. Home owners who have avoided taking theirs down have been very disappointed to discover areas with black mold. This is important information that no every home owners knows about, but it is important if you want to catch and fix the problem before it becomes a health hazard. This is one of the reasons why some home owners re installing basement and crawl space vapor barriers. Hopefully, people who have these older…