Tulsa, OK — Red Devil®, a leading manufacturer of caulks, sealants and painter’s hand tools, offers a full line of duct sealants for professional HVAC contractors and DIYers. Red Devil’s…

By Brian Baker, P.E. and John McCarthy, Sc.D., C.I.H. With the 2019-2020 school year cut dramatically short by the COVID-19 pandemic, public and private school systems and higher education institutions…