One of the most challenging areas to create an effective envelope is the ____ of finished rooms above garages, where a poor air-seal can allow carbon monoxide and other poisonous gases to enter the living space.

Question

Quizplus · Accepted Answer

The correct answer is the floor of finished rooms above garages. This is because the floor of these rooms serves as the ceiling of the garage below, and an effective air-seal is crucial to prevent gases from the garage, such as carbon monoxide, from entering the living space above.

One of the Most Challenging Areas to Create an Effective