The cellulose insulation can fill the many nooks, crevices, and holes since it is blown in, and that is difficult with other kinds of insulation. The unit was surprisingly easy to fit, appears to be good and has significantly reduced the road noise. I will purchase some a lot more https://facial-cleaners54431.timeblog.net/70669181/the-smart-trick-of-draft-proofing-that-no-one-is-discussing