by John Krigger | Jan 21, 2022
(1.5 CEUs) Fibrous insulation is the least expensive as well as the most commonly used insulation. Fibrous insulation encompasses different materials and products. Wise selection and correct installation are important. This lesson covers the different materials and...
by John Krigger | Jan 14, 2022
(5 CEUs) In most retrofit jobs, wall insulation presents the challenge of insulating cavities that you can’t look into. This course discusses the materials and methods of installing wall insulation with complete coverage and consistent density.
