Attic Air Sealing
Close the gaps in your attic floor before or alongside insulation to stop conditioned air from escaping through your ceiling.
Learn moreLoading...
Drafty rooms and climbing heating bills in Corvallis's wet winters often trace back to air leaks - open-cell foam seals gaps and insulates in one step.
Open-cell foam insulation in Corvallis fills gaps, seals air leaks, and insulates all at once - most attic or crawl space jobs are finished in a single day, with noticeable comfort improvements from the first cold stretch of fall.
Unlike fiberglass batts, open-cell foam expands to fill every crack and penetration in the surface being insulated. That matters in Corvallis, where long, wet winters mean your heating system runs for months and any gap in the thermal envelope costs you money every day. If you have already explored attic air sealing and want a solution that handles both air sealing and insulation in one product, open-cell foam is worth a close look.
A large share of Corvallis homes were built in the 1950s through 1970s - many near Oregon State University - and most have never had proper air sealing. Open-cell foam can transform how those homes feel and perform without major renovation work.
If your gas or electric bill climbs noticeably each fall and stays high through March, your home is losing heat faster than it should. Corvallis winters are long and persistently damp, and a home with air leaks works its heating system hard just to stay comfortable. Open-cell foam closes those leaks before the rainy season starts.
In older Corvallis homes - especially those built in the 1950s and 1960s near campus - some rooms never quite warm up even with the heat running. Cold floors, drafty corners, and a persistent clammy feeling usually point to outside air getting in through gaps that insulation batts alone never addressed.
Stand in your attic on a bright day and look toward the eaves - if you can see daylight coming through, outside air is coming in too. Drafts around electrical outlets on exterior walls and gaps where the floor meets the foundation are also clear signs that open-cell foam is needed.
Corvallis's wet winters mean unprotected crawl spaces often accumulate moisture from the ground and outside air. A musty smell under your house, condensation on floor joists, or standing water after rain all mean your crawl space is not sealed - and that moisture is affecting the air quality in the rooms above.
We install open-cell spray foam throughout homes in Corvallis and the surrounding area. The most common applications are attics and crawl spaces, where the foam expands to fill every joint, penetration, and gap the moment it is sprayed. For homeowners who want the full package of air sealing and insulation combined with broader coverage, we also pair open-cell foam work with our spray foam insulation services, which can address walls, rim joists, and other structural areas where air movement is a problem.
Homeowners whose existing insulation is old, compressed, or contaminated sometimes need removal before new foam goes in. In those cases, we coordinate with our attic air sealing process to make sure the surface is clean and ready before spray application begins. Every job includes a written scope, a permit where Oregon code requires one, and documentation to support your Energy Trust of Oregon rebate claim if you qualify.
Best for homeowners whose attic floor has gaps around plumbing, wiring, and light fixtures that are allowing heat to escape through the ceiling.
Ideal for Corvallis homes with vented crawl spaces where cold, damp Willamette Valley air is migrating up through the floor into the living area.
Suits homeowners with cold floors near exterior walls and foundation areas - rim joists are a major source of heat loss that is often overlooked.
For older Corvallis homes where wall cavities were never insulated and access is possible through small drill holes without opening drywall.
Corvallis averages around 51 inches of rain per year, and nearly all of it falls between October and April. That long, damp heating season is unforgiving on homes that were built before insulation was taken seriously. A significant portion of Corvallis homes date from the postwar decades - the 1940s through 1970s - and many were built with minimal or no wall and attic insulation by today's standards. For those homes, open-cell spray foam is often the most efficient way to catch up, because it insulates and air-seals in a single application rather than requiring two separate scopes of work.
The wet climate also means moisture management matters as much as thermal performance. Open-cell foam is vapor-permeable, so pairing it with the right vapor control strategy for your crawl space or attic is important - a contractor who works in the Willamette Valley regularly will know how to get this right. We serve homeowners throughout the region, including Lebanon and Albany, where older housing stock and Willamette Valley weather create the same combination of challenges as Corvallis.
Oregon's residential energy code sets minimum performance requirements for insulation work, and the Oregon Building Codes Division enforces them. Any reputable contractor operating in Corvallis will pull the required permit and schedule the inspection - those steps confirm the foam was installed to the correct thickness and coverage.
Tell us the age of your home and which areas you want insulated. We reply within one business day and can usually schedule an on-site estimate within the week - no cost, no obligation.
We walk your attic, crawl space, or walls - measure, check for existing moisture issues, and put everything in writing. You see the full scope and price before any commitment is made.
We handle the permit application with the City of Corvallis Building Division. Oregon requires this for insulation work on existing homes, and it protects you by ensuring an inspector reviews the finished job.
The crew sprays foam in passes to reach the correct thickness. Most single-area jobs wrap up in a few hours. Stay out of the treated area for 24 hours, then ventilate well. We provide documentation for your Energy Trust rebate claim at close-out.
Free estimate. We pull the permits, handle the inspection, and help you claim your Energy Trust rebate.
(541) 243-1620Every contractor doing residential work in Oregon must hold a current Oregon Construction Contractors Board license. We are licensed, bonded, and insured - which means you have real recourse if anything goes wrong, and the CCB database lets you verify our status in about two minutes.
We work across all 12 communities in our service area, from Corvallis and Albany to Salem and Newport. That regional footprint means we understand how Willamette Valley climate conditions - particularly the long, wet winters - affect spray foam performance and moisture management in real homes.
Oregon requires a building permit for insulation work on existing homes, and we handle that paperwork for you without exception. The permit triggers an inspector visit that gives you an independent confirmation the foam was installed to Oregon's thickness and coverage standards.
Many Corvallis homeowners qualify for Energy Trust of Oregon cash rebates but never claim them. We provide all the documentation you need at project close-out so you are not leaving money on the table for work your home genuinely needed.
We combine technical knowledge of open-cell foam with genuine familiarity with how older Corvallis homes are built and what they need. That combination means you get results that last, not just a fast installation.
Close the gaps in your attic floor before or alongside insulation to stop conditioned air from escaping through your ceiling.
Learn moreFull-coverage spray foam for walls, rim joists, and other structural areas where open-cell foam or traditional batts fall short.
Learn moreSchedule your free open-cell foam estimate today - Corvallis heating season starts in October, and the sooner you seal those gaps, the sooner your bills reflect it.