by John Krigger | Mar 31, 2022
(0.8 CEU; 50 minutes) Professional installers spray foam on surfaces and inject foam into cavities. Sprayed and injected foam are excellent choices for some applications. This micro course shows you a few examples. Spray foam is by far the most common of the two...
by John Krigger | Mar 30, 2022
(0.2 CEU; 20 minutes) This 14-minute video explains how scientists measure the thermal resistance of insulation, using a guarded hotbox. Find your reading assignment under the Materials tab. A short quiz will evaluate your retention of the important information...
by John Krigger | Mar 30, 2022
(0.7 CEU; 45 minutes) Dense-pack wall insulation is one of the most effective energy savers available to insulators and their clients. This introduction will show you the main tools and methods. Find your reading assignment under the Materials tab. A short quiz will...
by John Krigger | Mar 30, 2022
(0.3 CEU; 15 minutes) A factory-trained expert shows you how to install one-part and two-part foam as insulation and air sealing on new or existing buildings. Don’t forget your reading assignments that you’ll find under the Materials tab.
by John Krigger | Jan 21, 2022
(2.0 CEUs) This lesson discusses the methods and materials of dense-pack wall insulation. Dense-pack wall insulation ensures that the fibrous insulation completely fills the cavity and prevents air circulation within the cavity. Dense-pack wall insulation has a...
