by John Krigger | Jan 21, 2022
(1.5 CEUs) Unventilated roof systems or above-roof ventilation are more common in other countries compared to the USA. With conventional US vented roofs, the ventilation air flows below the roof deck. However, the less common solutions in this course have design...
by John Krigger | Jan 21, 2022
(1.5 CEUs) Insulation installers need a lot of special equipment to install insulation correctly. This lesson covers the most important tools and methods insulators need to install insulation the right way. You’ll learn about the blowing machines, hoses, power tools,...
by John Krigger | Jan 21, 2022
(1.5 CEUs) This lesson covers the most important installation issues you’ll encounter when inspecting insulation. This lesson covers how to evaluate the performance of installed insulation. Insulators should install insulation using established procedures that...
by John Krigger | Jan 21, 2022
(1.0 CEU) Ducts located outside the conditioned space need duct insulation. Without insulation, ducts outside the thermal boundary waste energy and don’t deliver conditioned air to inside spaces efficiency. This leads to comfort problems, condensation problems, and...
by John Krigger | Jan 21, 2022
(1.5 CEUs) Mobile home factories frame floors from 2 x 6 lumber. The floor cavities are usually uninsulated. The manufacturers insulate the floor with a long and wide blanket underneath the floor joists. A waterproof fabric or asphalt impregnated fiber board protects...
