That’s when other attic ventilation options come into play. Rafter vents, or insulation baffles, are installed in each rafter space to create narrow gaps that direct fresh air from the soffit ...

They’re typically installed on the peak of the roof because the ridge line is often where warm air collects, but there are also off-ridge vents. Ridge vents come with or without baffles.

Staple baffles into the spaces between rafters so air flowing in through the vents can flow past the insulation. Here's what ...