Home > How To > Insulation > Is Cellulose Insulation Toxic? Insulation Posted on: October 01, 1989 Share on Facebook Share on Twitter Share on LinkedIn Is Cellulose Insulation Toxic? Is Cellulose Insulation Toxic? By Hank Spies Login or Register to download the PDF version of this article. (21.17 kB) About the Author Hank Spies