Spray foam insulation
High-performance spray foam that air-seals and insulates in one application.
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Serving Kennewick, WA and surrounding areas. (509) 206-9343
Serving Kennewick, WA and surrounding areas. (509) 206-9343
Kennewick Insulation provides retrofit insulation, attic insulation, crawl space encapsulation, and wall dense-pack to Pendleton homeowners. We have served eastern Oregon and southeastern Washington since 2023, working on the pre-1970 wood-frame homes and postwar ranches that make up the majority of Pendleton's residential neighborhoods, where original insulation from 50 or 60 years ago is well past its useful life.
Roughly half of Pendleton's homes were built before 1970 - a time when insulation requirements were minimal or nonexistent. Retrofit installation means adding or replacing insulation in a finished, occupied home without gutting the walls or ceilings, using blown-in methods through small access holes on the exterior. It is the right approach for Pendleton's older craftsman houses and postwar ranches, where opening walls from the inside would cause significant damage. Learn more about our retrofit insulation services.
Pendleton summers push July highs into the mid-90s Fahrenheit, and an under-insulated attic transfers that heat directly into the top floor of the house all afternoon. Most pre-1980 Pendleton homes have attic insulation well below R-38, and topping up to R-49 with blown-in cellulose or fiberglass is the single most cost-effective energy improvement available to these homeowners.
Pendleton sits at about 1,060 feet elevation in a river valley, and winter lows regularly drop below 25 degrees Fahrenheit. Vented crawl spaces under ranch homes pull that cold air under the living floor and can allow pipes to freeze during the city's hardest cold snaps. Insulating the floor joists and sealing the crawl space perimeter addresses both the comfort problem and the pipe protection issue in one project.
Homes near the Umatilla River and in Pendleton's lower valley neighborhoods face real ground moisture challenges, particularly during spring snowmelt. A sealed vapor barrier at the crawl space floor prevents that moisture from migrating up into floor framing and insulation, where it causes wood rot and reduces the performance of any insulation installed above it.
Pendleton's pre-war craftsman houses and 1950s ranches alike have decades of settling behind them - framing has shifted, plumbing penetrations have opened up, and attic hatches no longer seal tightly. Air sealing those gaps at the attic floor and around mechanical penetrations stops the convective heat loss that makes high R-value insulation underperform, and it is especially valuable in Pendleton's cold winters.
Many of Pendleton's older in-town homes have hollow wall cavities - 2x4 framing with nothing inside. Dense-pack blown-in installation fills those cavities from the exterior through small drilled holes with minimal disruption to interior finishes. On a home that faces Pendleton's summer heat and winter freeze, filling those cavities makes a real, measurable difference in how the house holds temperature.
Pendleton sits at about 1,060 feet elevation in a valley carved by the Umatilla River, surrounded by high desert terrain in northeastern Oregon. The climate swings hard in both directions: July highs regularly reach the mid-90s Fahrenheit with temperatures above 100 degrees not unusual, while January lows drop into the mid-20s and below, with hard freezes common from November through February. The city averages 10 to 20 inches of snow per year, and ice storms are a real seasonal risk. That combination of extreme summer heat and genuine winter freezes means a Pendleton home with inadequate insulation is uncomfortable and expensive to run in every season, not just one.
What makes Pendleton different from many eastern Oregon communities is the age of its housing stock. The city was incorporated in 1880, and a large share of its homes were built before 1960 - the Census median construction year is around 1958. That means roughly half the homes in Pendleton are more than 65 years old, built well before modern insulation codes existed. Pre-war craftsman and bungalow-style homes close to downtown often have no wall insulation at all. Postwar ranch homes from the 1940s through 1960s typically have 2 to 3 inches of attic insulation - far below the R-49 now recommended for this climate zone. Add the freeze-thaw cycles that work open gaps in foundations and framing every winter, and homes on Pendleton's hillside streets face additional drainage and moisture challenges that compound over time.
Our crew has worked on homes across eastern Oregon since 2023, and Pendleton is one of the areas we return to regularly because of the concentration of older housing that needs retrofit upgrades. The city's residential neighborhoods climb the hills above the Umatilla River valley on both sides of downtown, and we see the same pattern on most of those hillside streets: homes from the 1940s and 1950s with hollow walls, minimal attic insulation, and crawl spaces without vapor barriers. The sloped lots create access challenges - crawl spaces on hillside properties are often taller on one end than the other - but they are jobs our crew knows how to set up correctly.
Pendleton is best known nationally for the Pendleton Round-Up, the nationally famous rodeo held every September since 1910, and is also home to Pendleton Woolen Mills, which has operated here since 1909. The city serves as the county seat of Umatilla County and is a regional hub for eastern Oregon, with the Umatilla River running through the lower part of town before joining the Columbia River to the north.
We serve homeowners throughout Pendleton and nearby eastern Oregon and southeastern Washington communities. Pendleton projects often connect us with work in Walla Walla, WA to the northeast, and we regularly cover Hermiston, OR to the northwest as well.
We respond within 1 business day. Tell us what you are dealing with - cold rooms in January, high summer cooling bills, a drafty older home, or a crawl space that never seems dry - and we will schedule a free on-site visit at a time that works for you.
We inspect the attic, crawl space, and walls, measure actual insulation depth and R-values, and check for air sealing gaps throughout the building envelope. You receive a written, itemized estimate at the end of the visit with no obligation to proceed - typical estimates address cost factors specific to your home's age and access conditions.
Most blown-in attic jobs in Pendleton finish in one day. Crawl space insulation with a vapor barrier takes one to two days depending on square footage and access. Retrofit wall dense-pack on a full single-story home generally takes two days. We coordinate timing around your schedule.
Before we leave, we confirm all insulation depths and air sealing points and walk you through the completed work. You receive written documentation of materials and R-values installed, useful for Oregon Energy Trust incentive programs, property records, and future home sales.
We work on older Pendleton homes every week - pre-war craftsmans, postwar ranches, hillside properties with tricky crawl spaces. Written estimate on-site, no obligation.
(509) 206-9343Pendleton is the county seat of Umatilla County and one of the most recognized cities in eastern Oregon. It sits in a river valley at the foot of the Blue Mountains, with the Umatilla River running through the lower portion of town before joining the Columbia River to the north. The city's residential neighborhoods spread across the valley floor and climb the hills on both sides, giving Pendleton a mix of flat downtown streets and sloped hillside lots with terraced yards and steep driveways. The housing stock ranges from 1910s and 1920s craftsman houses near downtown to postwar ranch homes from the 1940s through 1960s that fill out the mid-century residential areas, to a smaller number of newer homes on the edges of the city. With a population of about 16,000 to 17,000 and a homeownership rate around 55 percent, most residents have a long-term stake in keeping their properties in good shape.
Pendleton is known nationally for the Round-Up rodeo each September and for Pendleton Woolen Mills, which has produced wool blankets and apparel in the city since 1909. Wildhorse Resort and Casino, operated by the Confederated Tribes of the Umatilla Indian Reservation, sits just east of the city and is one of the region's largest employers. We cover Pendleton and surrounding communities across eastern Oregon and southeastern Washington, including College Place, WA and Walla Walla, WA to the northeast.
High-performance spray foam that air-seals and insulates in one application.
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Learn moreServing these cities and communities.
Call us or request a free estimate online. We respond within 1 business day and come to you - older homes, hillside lots, and all.