Fast, Reliable Attic Insulation Across Clovis
Attic insulation in Clovis is not a luxury upgrade. It’s the difference between a second-floor master bedroom that holds 88°F in July and one that tracks within a couple degrees of your thermostat. Most homes we see in northeast Clovis, especially the tract builds from the late 1980s through the early 2000s, are sitting on 3 to 4 inches of settled blown-in where there should be R-38 or better. We fix that. Our crews serve Clovis daily from the Fresno, Central Valley dispatch office, and when you call (325) 240-5411, a real person answers, not a voicemail tree. Same-day and next-day appointments are available for Clovis homeowners, and every job starts with a written price before anything gets touched.
Key Takeaways
- Clovis tract homes from 1985 to 2005 were built to older Title 24 standards that under-insulated attics compared to what the San Joaquin Valley climate actually demands.
- West- and southwest-facing upstairs bedrooms are the number one complaint we hear, and the fix is almost always settled insulation plus a missing radiant barrier.
- Most attic insulation jobs in Clovis run between $1,800 and $4,200 depending on square footage, access, and whether old material needs removal first.
- Every job carries the 365-Day Done Right Promise in writing, and the price is locked before a single bag of insulation comes off the truck.
Why Woolsey Attic Insulation Is Clovis’s Preferred Attic Insulation Company
Homeowners in Clovis have been through enough contractor roulette. A bid that changes at the door, a crew that never shows, a repair that fails before the next billing cycle. Woolsey Attic Insulation was founded in 2002 as part of the Kingswell family of independently owned and operated insulation companies, and we built our reputation in Fresno and Clovis on one principle: write it down, do it right, stand behind it for 365 days. Glenn Hartley leads our crews, and every technician who walks into a Clovis home is background-checked and in uniform, so you know exactly who you’re opening the door to.
We work with eight leading insulation brands, including Owens Corning, Johns Manville, Knauf, and CertainTeed. That matters because your house needs what it needs, not whatever happens to be left on the truck. Clovis customers get straight answers about which material fits their attic, their budget, and their cooling load. No upsell games. And our Attic Insulation team knows the specific failure patterns of Clovis tract construction because we see them every week.
Attic Cleaning Services in Clovis
Attic Cleaning Services in Clovis are often the necessary first step before any insulation upgrade, especially in homes from the early-1990s buildout era around Harlan Ranch and the northeast corridor. The job involves vacuuming out decades of settled, dust-choked blown-in fiberglass, removing rodent droppings and nesting debris, and prepping the attic floor for new material. In Clovis, we also find construction debris left over from the original build, drywall scraps, paint cans, and sometimes old wiring that never got removed. A full attic cleanout in Clovis typically runs $700 to $1,400 depending on attic size, access difficulty, and how much debris has accumulated over the past 20 to 30 years.
When to Schedule a Cleanout
If your Clovis home is from the 1990s or early 2000s and the insulation has never been touched, you’re almost certainly due. Valley summers bake settled insulation into compacted layers that hold less air and do less work, and tule-fog winters introduce moisture that can create musty conditions up there. A cleanout before new blown-in goes down also removes the fine particulate that otherwise ends up drifting through ceiling penetrations into your living space.
What a Cleanout Uncovers
We regularly find attic access panels that were never sealed, HVAC plenum joints that are leaking conditioned air straight into the attic, and bathroom exhaust fans venting directly onto insulation instead of through the roof. These discoveries change the job scope, and since your written price is fixed before work starts, you’ll know exactly what it costs to address them, with no surprise invoice at the end.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Attic Mold Removal in Clovis
Attic Mold Removal in Clovis is a recurring request from homeowners in the city’s older northeast neighborhoods, and it almost always ties back to the same root causes: unsealed attic penetrations, bathroom fans venting into the attic, and the central San Joaquin Valley’s tule-fog winters pushing moisture into a cavity that then gets baked by 150°F summer heat. Mold in a Clovis attic is usually not a leak from the roof. It’s a ventilation problem. We find dark staining on the underside of the roof sheathing, particularly on the north and shaded slopes where condensation gathers during fog season. Depending on the affected area and depth of contamination, attic mold remediation in Clovis runs $900 to $2,600, and the job includes cleaning the affected surfaces, treating with an antimicrobial, sealing the air leaks that caused the problem, and confirming airflow is moving correctly before any new insulation goes down.
Mold and Insulation: What to Address First
You cannot blow new insulation over moldy sheathing and expect the problem to disappear, it just gets buried and keeps growing against your new material. The correct sequence is mold remediation, then air sealing, then insulation. Our crews follow that order on every Clovis job where mold is present, and the cleanup is documented in writing.
How the 365-Day Promise Applies
If mold returns within one year of our remediation because of something we missed, we come back and fix it at no charge. That’s the Kingswell Guarantee, and it’s on paper before we start. No verbal reassurances. No callbacks into the void.
Trusted Brands We Service in Clovis
We stock and install a focused lineup of insulation products across Clovis, and we carry local material for the specific homes we see here. That means Owens Corning and Johns Manville blown-in fiberglass for standard attic top-offs, Knauf batt insulation for new construction and remodels, CertainTeed for specialty applications, and Rockwool for fire-rated or sound-control scenarios. We can typically pull the right material for a Clovis job the same morning the appointment is scheduled, which keeps turnaround fast. No waiting two weeks for a special order when your upstairs bedroom is already 85°F.
Common Attic Insulation Problems We See in Clovis Homes
- Builder-grade blown-in settled to 3-4 inches. Most Clovis tract homes from the late 1980s through the 2000s were insulated to minimum code, which was far less than the valley climate demands. After 25 years, that material has compacted to about a third of its original depth, and the ceiling drywall is absorbing heat that insulation no longer blocks.
- Zero radiant barrier anywhere in the attic. Radiant barrier was an upgrade in the 1990s, not a standard, so the underside of most Clovis roof decks is bare plywood. When attic air hits 150°F in August, that heat radiates directly through your ceiling insulation and into upstairs rooms, even with the AC running hard.
- Unsealed attic access panels and HVAC penetrations. The same tract-build efficiency that put up those Clovis neighborhoods fast also meant less time sealing air paths between the living space and the attic. Hot summer air and tule-fog moisture move freely through those gaps, bypassing whatever insulation is up there.
- West-facing second-floor rooms running 10-15°F above setpoint. This is the Clovis signature problem. In Thousand Oaks, Harlan Ranch, and the northeast corridor, the afternoon sun loads the west wall and roof deck simultaneously, and a settled, barrier-free attic cannot shed that heat fast enough. It lands in the master bedroom.
Pricing for Attic Insulation in Clovis, CA
Most standard attic insulation top-offs in Clovis run between $1,800 and $2,900 for a typical 1,200 to 1,800 square-foot single-story home, including material and labor. Two-story homes with more attic floor area and harder access run $2,500 to $4,200. If old material needs to be vacuumed out first, add $700 to $1,400 for the cleanout. Radiant barrier decking over a standard attic runs $1,200 to $2,400 depending on slope count and accessibility. These are honest ranges, not bait numbers. The exact written price for your Clovis attic comes after we measure and inspect, and that number does not move once we hand it to you. Call (325) 240-5411 for a free estimate, and we’ll schedule a Clovis visit that fits your calendar.
| Service | Typical Clovis Range |
|---|---|
| Attic insulation top-off (blown-in to R-49) | $1,800 – $2,900 |
| Two-story attic insulation replacement | $2,500 – $4,200 |
| Attic cleanout before new insulation | $700 – $1,400 |
| Radiant barrier deck installation | $1,200 – $2,400 |
| Attic mold remediation | $900 – $2,600 |
We Also Serve Cities Near Clovis
Our crews cover the full Clovis metro area and the surrounding Central Valley communities. If you’re in Fresno, Sanger, Fowler, or Madera, we can usually be at your door within the same day or next morning. The same written pricing, the same 365-Day Done Right Promise, and the same live-answer phone line apply everywhere we work.
Serving Clovis, CA - Our Local Coverage Area
We’re based in the Clovis area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Attic Insulation in Clovis
Because your attic insulation has settled to about 3-4 inches of compacted material, and there’s almost certainly no radiant barrier under your roof deck. The west-facing wall and roof load heat all afternoon, and the attic cannot reject it fast enough. We fixed a Harlan Ranch two-story stucco home recently where the master bedroom held 88°F with the thermostat set to 72. After vacuuming the old insulation, installing a radiant barrier deck over the west slope, and blowing Owens Corning to R-49, the room tracked within 2°F of setpoint by that evening. Call (325) 240-5411 and we can check your build year, orientation, and attic condition the same day.
Expect 3 to 4 inches of original blown-in fiberglass, which equals roughly R-11 to R-13 of effective value, less than a third of the R-38 minimum that the San Joaquin Valley climate actually needs. The material compacts under its own weight and valley heat over 20 to 30 years. If your home sits in the northeast corridor built between 1988 and 2005, you can almost guarantee the original insulation has settled, even if it looked fine when you moved in.
Yes, and here’s the specific reason: Clovis attic cavities regularly exceed 150°F in July and August, and bare roof decking radiates that heat straight down through your ceiling insulation. More blown-in fiberglass slows that heat transfer, but a radiant barrier reflects it before it ever enters the insulation layer. In Clovis tract homes with west- and southwest-facing slopes, the combination of barrier plus R-49 top-off is the difference between a bedroom at 85°F and one at 76°F, running the same AC.
We install Owens Corning and Johns Manville blown-in fiberglass, Knauf batts, CertainTeed specialty products, and Rockwool for fire-rated applications. The material choice depends on your attic configuration and budget, not on what happens to be on the truck that day. You’ll get a written recommendation with your estimate, and the brand is named in the quote so you can verify what you’re paying for.
If the existing material is dry, free of mold, and not packed down, we can blow new insulation directly over it to reach R-49. If there’s evidence of rodents, moisture damage, mold, or the material has compacted into a dense mat, we recommend a full cleanout first. In Clovis, most 1990s-era homes fall into the cleanout category because the original fiberglass has settled into a pancake that traps heat instead of resisting it. We’ll show you photos from the attic so you can see exactly why, and the written price covers whichever route your attic needs.
Call Woolsey Attic Insulation for Your Clovis Home
When you’re ready to stop fighting a hot upstairs bedroom, call (325) 240-5411. A live person answers, 24 hours a day, seven days a week. We’ll schedule your free Clovis estimate, show up in the committed window, write down the exact price, and stand behind the work for 365 days in writing. That’s the Kingswell Guarantee, and it applies to every attic insulation, cleaning, or mold remediation job we do in Clovis.
Written by Glenn Hartley, Owner at Woolsey Attic Insulation, serving Clovis and the surrounding Central Valley.