Instead, use rafter vents (insulation baffles ... into the rafter bay as this reduces its insulating ability. For blown-in insulation, aim for uniform coverage and use depth rulers to check ...

"That's way too much." Frustrated homeowner seeks advice after receiving outrageously expensive quote for new insulation: ...

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 insulation, which can shift and/or compact.