Attic vents are one of the unsung heroes in a home ... In addition, warm air that escapes the living space will condense on rafters or roof sheathing in an unvented attic. "Frost accumulation ...

Knowing how to insulate an attic while leaving adequate ... a continuous air chute in each rafter bay. Note: Air chutes, when combined with soffit vents and a ridge vent, will help prevent ...