Attic Insulation Blocking Soffit Vents

The soffit vents are now installed but you still need to make sure there s no insulation blocking the new vents.

Attic insulation blocking soffit vents.

Vent these fans through the roof or soffit. You can remove insulation from inside the attic or from underneath the soffits. Unfortunately blow in insulation can drift. On 2011 10 13 by mod remove insulation blocking soffit air intake in the attic.

Most effective ventilation uses a ridge and soffit continuous ventilation system but even these designs can vary from roof to roof. Rectangular roof vents installed on one side of the roof only. Once it s out of the way. If the attic is insulated with fiberglass batts just pull back any that are blocking the flow of air.

These specialty vents do not affect the. Install rectangular roof vents on both sides of the roof. However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic. Blocked or inadequate roof ventilation air intake openings at soffits or eaves.

Gil we clear insulation that blocks the soffit air intake from inside the attic manually by hand wearing appropriate respirator and tyvek overalls. Rectangular roof vents work best when the wind blows over the top of them rather than into them. Covering up the soffit vents with loose fill or batts which can happen if you stuff insulation along the eaves is a huge no no. If you don t know how your roof vents work or if you re unsure about your attic ventilation in general you should talk to a roof inspector about your current system and any inherent weaknesses that may be at.

Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof. Kitchen and bath fans vented into the attic. Remove any insulation from the new vent photo by merle henkenius. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.

Because the soffit vents are on the attic floor it s easy to cover them with insulation. For the same reason insulation shouldn t touch the roof s underside.