Soffit Vent Attic Insulation

We use this same design under roofs that cover cathedral ceilings but on occasion find that more air space and air flow up under the roof sheathing are needed in those structures.

Soffit vent attic insulation.

How to keep blow in insulation out of soffits 1. The soffit vents are now installed but you still need to make sure there s no insulation blocking the new vents. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents. The best way to clean them is with blasts of compressed air to blow away dust dirt and any loose insulation that may have fallen into the soffit area.

For the same reason insulation shouldn t touch the roof s underside. If there s blown in insulation like ours rake back the fluffy stuff with a 3 or 4 ft long 1 x 6 or use a garden rake or hoe. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Lay strips of 3 4 inch plywood that are at least 24 inches wide across the floor of the attic.

Set the baffles inside the attic opening along with a loaded staple gun. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow. Here s how to keep the air moving with soffit vents. 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.

There should be no insulation within 3 inches of the vent. This phenomenon known as wind washing dramatically reduces the insulation s r value and could permanently damage insulation material as well. Add soffit venting first. A well ventilated attic offers four benefits.

Clear loose fill insulation from inside the attic by pulling it off the vent covers and making piles on the attic side of the vents. It prevents mildew growth and rot on your roof s framing and sheathing by. Intake vents located at the lowest part of the roof under the eaves allow cool. The attic roof vent baffles baffles hold the insulation away from the roof deck to permit air to enter the attic or under roof space.

You should clean soffit eave and other types of attic air intake vents at least every couple of years if not annually. The problem with insulation extending into the soffits is that air getting sucked in through the soffit vents runs over the insulation. You need one baffle for each of the soffit. About attic ventilation natural attic ventilation.

Butt a cardboard template against the fascia and mark your soffit hole locations to begin.