If insulation is allowed to bunch against the inside slope of the roof between the rafters, air will be blocked before it can traverse the attic. Jan You are going the right way with you new idea. The box vents, the way they are originally, when the insulation was pulled down for the vents.
Apr Putting baffles in your attic is a crucial step in installing attic insulation. Sometimes called rafter vents, baffles provide ventilation and keep the. Attic spaces get very hot in the summer months. This heat can take years of life out of a roof.
Once insulation moves, it no longer provides protection from drafts or stops air from migrating out of the living space below the attic. A baffle acts as a screen that. AirMate Vents meet or exceed HUD-FHA durable material standards and ventilation requirements.