The soffit is part of the overhang where your roof meets your siding. When rain or snow hits your roof, it runs down, and the overhang allows the water to flow away from your house. The soffit is underneath the overhang, between the roof's edge and side of your home—the bottom of the triangle, if you will.

Where does soffit and fascia go?

An exterior soffit is located on the span beneath the rafter tails, while the fascia is the exposed horizontal band you see at the end of the rafters. These architectural elements found along the eave area do more than just add visual interest and give a finished look to your home.

Do soffits go on after siding?

Soffit is used to enclose the underside of an eave. ... It also is necessary to complete the soffit before the final course of siding is installed on the wall. Vinyl soffit is designed to be easily installed lengthwise from wall to fascia.