Soffit is the material under your roof overhang, and on porch ceilings, decks and overhangs. It makes the eaves look finished, but its real job is airflow. As roofers, we look at soffit before almost anything else, because a roof without enough intake air at the eaves wears out years early.
Why Soffit Matters to Your Roof
Warm, moist air from the house rises into the attic. If it cannot escape, it condenses on the underside of the roof deck. In a Midwest winter that means frost, then dripping, then ice dams at the eaves; over time it means mildew, rotted decking and shingles that age fast. Vented soffit is the intake half of a balanced ventilation system: cool air comes in low at the eaves and pushes moist air out the ridge vent.
ProVia Soffit Types
- Woodhaven® Soffit in a 3/4″ profile (.044″) and a 5/8″ profile (.042″), offered as channel vent, hidden vent and solid. It uses AirCanal channel venting and a dual-channel design for stability.
- Beaded Soffit / Wainscot (.042″) with a hidden vent, AirCanal channel venting and a classic beadboard look for porch ceilings.
- Universal Soffit with a center vent, a versatile choice for standard eaves.
ProVia soffit is made from the same polymer as its siding and carries a Lifetime Limited Warranty. It is not designed to be used as vertical siding.
Vented, Hidden-Vent or Solid?
Use vented soffit wherever the eave opens into the attic. Hidden-vent soffit keeps the airflow but hides the perforations for a cleaner look on porches and front elevations. Use solid soffit where there is no attic behind it, such as a porch ceiling under a separate roof or a gable overhang.
Soffit Colors
ProVia soffit is offered in the full siding palette plus Musket Brown and Hero Blue (a pale porch-ceiling blue). Color availability varies by profile, so we confirm your exact pick when we measure.
Photos
Vinyl Soffit Questions
How much soffit venting does my attic need?
A common rule is about one square foot of net free vent area per 150 square feet of attic floor, split roughly evenly between intake (soffit) and exhaust (ridge). We calculate it for your roof during the estimate.
Can soffit cause ice dams?
Blocked or missing soffit venting is one of the most common causes of ice dams. Insulation stuffed against the vents is the usual culprit.
Should soffit match the siding or the trim?
Most homes match the soffit to the trim and fascia, usually white or a light neutral, so the roofline reads crisp.
What is Hero Blue soffit for?
It is a soft, sky-like blue that many homeowners choose for porch ceilings, a tradition in older American homes.
Ready to price new siding?
John Beal Roofing is a family-owned exterior contractor serving St. Louis, Kansas City and the Midwest. We measure your walls, bring real ProVia samples to your house and give you a written siding price. Hail or wind damage? We help with the insurance claim, too.
Get a Siding PriceBrowse All Siding ColorsCall 1-800-564-6232