mechanical and nonmechanical roof vents, ridge vents and gable vents. Recent studies have indicated that the preferred method of attic insulation is a fiberglass batt format vs. blown-in cellulose ...

Roof ventilation is a system designed to manage ... sealed off from the attic space with a vapor barrier like spray foam insulation. Read more: 10 Ways To Bring Old Hardwood Floors Back To Life ...