Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
Having the proper insulation in the ceiling is a crucial part of creating an energy efficient building. When dealing with ceilings it is not so much the threat of the air escaping to the outdoors, it is more about the warm air heating areas that do not need to be heated such as into the plenum in a room with a hanging ceiling. A typical ceiling has an R-value of 36.
