Sealing your attic is another one of those ... moist air condensing and freezing as it hits the cold attic air. In warmer weather, you’ll find water staining in these same areas.

With proper vents, Mother Nature allows the warm, moist air to leave the space from the top while drawing in cooler and dryer ...

Assess your current attic ventilation and decide whether additional proper ventilation options need to be installed before proceeding with insulation. Seal Air Leaks: Air leakage into the attic ...

Soffits typically provide necessary attic venting; without them, alternative methods must be used to protect your home from the pitfalls of poor air flow. All that said, it's important to consider ...

Before adding new insulation—whether you're removing old materials or not—take the time to seal air leaks in your attic. Roof leaks and gaps around light fixtures, plumbing vents, and ductwork ...