Learn how to effectively install a vapour barrier, warm roof insulation, and manage a greasy sandwich for optimal energy efficiency in your home. This step-by-step guide will help you create a ...

. Q. I hate to still keep you on the "cold roof" subject, but I want to make a cold roof on my 6,000 square foot Victorian 4-unit with 2 furnaces that are located in the attic. What can I ...