Spray foam insulation
High-performance spray foam that air-seals and insulates in one application.
Learn moreServing Kennewick, WA and surrounding areas. (509) 206-9343

Kennewick Insulation provides blown-in attic insulation, crawl space encapsulation, and wall insulation to Selah homeowners. We have served the Yakima Valley since 2023 and work on the ranch homes and split-levels that make up most of Selah's neighborhoods - from older in-town properties to newer subdivisions on the north and east sides of the city.

Most of Selah's ranch and split-level homes from the 1950s through 1980s have attic insulation well below today's R-49 standard for this climate zone. Blown-in cellulose or fiberglass fills that gap quickly and works on any attic framing style. For more information, see our full blown-in insulation services.
Selah summers regularly push into the 90s and occasionally hit 100 degrees, while January nights drop below freezing for weeks at a time. An attic with inadequate depth forces both the furnace and the air conditioner to work harder than they should - upgrading attic insulation is the single highest-return improvement for most Selah homes.
Ranch and split-level homes in Selah sit close to grade, and many have vented crawl spaces that pull cold outside air under the living floors every winter. Insulating the crawl space and sealing ground moisture with a vapor barrier makes floors noticeably warmer and protects pipes from freezing during Selah's hard winter freezes.
The dry, sandy soil in the Yakima Valley loses moisture quickly in summer and can be wetter in spring, especially near Selah Creek. A properly installed vapor barrier in the crawl space prevents ground moisture from migrating into floor framing and insulation, which matters in Selah's wide seasonal humidity swings.
Selah homes from the 1950s through 1980s were built before air sealing was a standard practice. Gaps around plumbing, wiring, and framing at the attic floor and crawl space rim joists let conditioned air escape year-round. Sealing these bypasses before adding blown-in insulation depth multiplies the effectiveness of the upgrade.
Selah sits in the Yakima Valley rain shadow east of the Cascades, which gives the area hot, dry summers and cold, clear winters - conditions that push energy systems in both directions all year. Temperatures regularly fall below freezing from November through February, with January nights often dropping into the low 20s Fahrenheit. Summer highs reach the mid-90s and occasionally break 100 degrees, with very little cloud cover or rain to moderate the heat. The combination means Selah homeowners run their heating systems hard for several months, then switch directly to heavy cooling demand. A home with inadequate insulation feels the full force of both extremes and shows it on the utility bill.
The bulk of Selah's housing stock was built in the postwar decades - the 1950s through 1980s - with a concentration of single-story ranch and split-level homes on standard residential lots. These construction styles are common candidates for insulation upgrades because they have crawl spaces susceptible to cold air intrusion, attics with low clearance that are often under-insulated, and wall cavities that were never filled at the time of construction. Homes in this age range are also hitting the point where original insulation has settled or degraded, reducing effective R-values below what was installed. The freeze-thaw cycles that Selah sees every winter accelerate concrete cracking and can open small gaps in the building envelope around foundations and rim joists.
Selah is a compact city of about 8,400 people, and the homes we work on here are overwhelmingly the postwar ranch and split-level type - single-story wood-frame construction, attached garages, crawl space foundations, and attics with lower clearance than two-story homes. The older homes near the original town center tend to have less accessible crawl spaces and attics that require more prep work before we can add insulation depth. Newer subdivisions on the north and east sides of Selah, built from the 1990s through the 2010s, have better access and more consistent framing but are now reaching the age where first-time insulation upgrades make sense.
Selah is well-defined geographically - the city sits in the valley between the Yakima River to the west and the hillsides rising east toward orchard country. The narrow Selah Gap canyon to the north is the feature most residents know as the distinctive entrance to the valley from the north. Wenas Road and North 1st Street are the main north-south routes through the residential core, and most Selah neighborhoods are within a short drive of Selah High School near the center of town.
We work regularly in neighboring Yakima, which borders Selah to the south through Selah Gap - the same crew handles jobs in both cities without issue. We also serve homeowners in Union Gap, which sits just south of central Yakima and shares many of the same property characteristics as Selah.
We respond within 1 business day. Tell us what you are noticing - cold floors, high bills, drafty rooms - and we will schedule a visit at your convenience. No photos or measurements are needed ahead of time.
We inspect the attic, walls, and crawl space, measure insulation depth in each area, and check for air sealing issues. You receive a written, itemized estimate with no obligation - and we address any cost questions on the spot.
Most blown-in attic jobs in Selah finish in one day. Crawl space and wall dense-pack projects typically take one to two days. You do not need to leave your home for blown-in attic work.
We confirm insulation levels achieved and walk you through the completed work before leaving. You receive written documentation of R-values and materials used, which is useful for utility rebate applications and future home sales.
We serve all Selah neighborhoods - written estimate upfront, no pressure, and no travel fees within the Yakima Valley.
(509) 206-9343Selah is a small city of about 8,400 people in Yakima County, situated on the valley floor just north of Yakima at the base of Selah Gap - the narrow canyon cut by the Yakima River that forms the northern entrance to the valley. The city functions largely as a quieter residential community for people who work in Yakima, offering smaller-town character while remaining about 5 miles from central Yakima's jobs, shopping, and services. About 65 percent of housing units in Selah are owner-occupied, reflecting a stable community of homeowners who tend to stay long-term. The surrounding land is predominantly apple and pear orchard country, and many residential lots back up to or border agricultural land on the city's edges. More information about the city is available on the Selah, Washington Wikipedia page.
Selah's residential neighborhoods range from older in-town homes near the original city core to postwar ranch streets built out from the 1950s through 1970s, to newer subdivisions added on the north and east sides of the city from the 1990s onward. The mix of home ages means insulation needs vary by neighborhood - older homes in the center of town typically need full upgrades, while newer homes on the edges may need targeted improvements as they age. Selah Creek runs through the city and the Yakima River borders the western edge of town, both familiar landmarks to local homeowners. To the south, Yakima is the nearest major city, and Union Gap sits along the valley floor south of Yakima.
High-performance spray foam that air-seals and insulates in one application.
Learn moreKeep heat in during winter and out during summer with proper attic insulation.
Learn moreLoose-fill insulation blown into attics, walls, and hard-to-reach areas.
Learn moreWhole-home insulation solutions to improve comfort and reduce energy bills.
Learn moreSafe removal of old, damaged, or contaminated insulation materials.
Learn moreInsulate and condition your crawl space to prevent moisture and heat loss.
Learn moreInterior and exterior wall insulation for new builds and existing homes.
Learn moreSeal air leaks throughout your home to cut drafts and energy waste.
Learn moreBasement wall and rim joist insulation to improve efficiency and comfort.
Learn moreDense, moisture-resistant closed-cell foam for maximum R-value per inch.
Learn moreFlexible, sound-dampening open-cell foam for interior walls and attics.
Learn moreSeal attic bypasses before insulating to stop conditioned air from escaping.
Learn moreHeavy-duty vapor barriers to protect crawl spaces from ground moisture.
Learn moreProfessional vapor barrier installation for crawl spaces, basements, and walls.
Learn moreUpgrade insulation in existing homes without major renovations.
Learn moreCommercial-grade insulation for offices, warehouses, and multi-family buildings.
Learn moreServing these cities and communities.
Call or request a free estimate - we work throughout Selah and the Yakima Valley and can usually schedule your visit within the week.