Insulation Company in Mentone, CA
Blown in insulation is the workhorse retrofit for Mentone’s older single-story ranches and mid-century tract homes, where original attic insulation has settled, compacted, or was barely adequate when it was installed forty or fifty years ago. The job here is different from what coastal crews are used to: Mentone sits at the foot of the San Bernardino Mountains in a semi-arid inland valley where summer attic temperatures routinely spike well above 130°F. That means radiant-heat control and air sealing matter every bit as much as R-value. Laguna Hills Insulation has served Mentone since 2014, and we stock eight manufacturer brands so the material fits the house, not the other way around. Call (866) 393-6041 for a free estimate.
Why Mentone Homes Are Different
Mentone’s housing stock skews older. Most homes in the 92359 ZIP are single-story ranches and mid-century tracts built between the 1950s and early 1980s, with a scattering of custom and rural properties on larger lots near the foothills. Many of those attics still have the original fiberglass batts, which have settled to a fraction of their rated thickness after decades of the valley’s wide diurnal temperature swing. Hot inland summers bake the roof deck, then cool-to-cold winter nights contract the framing. That cycle beats insulation down, compresses it, opens gaps at batts and bypasses, and leaves radiant barriers cracked and flaking.
What we find in Mentone attics is often more than a simple top-off job. In the foothill-edge homes especially, crews regularly uncover insulation that has degraded to the point of needing full removal and replacement rather than just additional material blown over the top. The sun load is brutal here, and under-ventilated attics turn that heat into a slow oven that cooks the insulation from above while the living space below struggles to stay cool. The fix is rarely just more fiberglass. It’s bulk insulation paired with proper attic ventilation and, where the roof deck allows, radiant-barrier work to reflect the sun’s energy before it soaks into the attic air.
Permitting in San Bernardino County for insulation retrofits is generally straightforward, but the specifics vary by property. Older rural lots sometimes have limited attic access, narrower framing bays, or knob-and-tube wiring that requires additional prep before we blow in material. We walk the attic before quoting so the number you get is the number you pay.
Our Main Mentone Services
Most Mentone homeowners call us about two things: getting their attics properly insulated against the inland sun, and using spray foam to seal the air leaks that make the thermal problem worse. Both services are performed in-house by the same crews.
Attic Insulation in Mentone
Attic retrofits in Mentone usually start with removing or assessing what’s already up there. The original batts in these 1960s and 1970s ranches are often matted down to R-19 or less when they were labeled R-30. We pull what’s failed, air-seal the top plates, can lights, and duct chases, then blow in fresh material to the depth the house actually needs. Radiant-barrier work pairs naturally with the attic service here because the roof deck is the real heat source. For a full breakdown of what this job looks like in Mentone, see our Attic Insulation in Mentone page.

Spray Foam Insulation in Mentone
Spray foam earns its keep in Mentone’s older homes where air leakage is the silent half of the problem. Closed-cell foam from Icynene or Demilec creates an air barrier and a thermal barrier in a single application, which matters when your attic hits 130°F and the ceiling is still hot to the touch. It’s also the right call for uninsulated attached garages that share a wall with living space, a common layout in the tract homes here. Read the full service breakdown at Spray Foam Insulation in Mentone.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Blown In Insulation in Mentone
Blown in insulation is the most common retrofit we perform in Mentone’s 92359 ZIP, and for good reason. The older ranches and tract homes here were built when R-19 in the attic was considered generous, and decades of inland sun have settled that material into a thin, ineffective layer. Blowing in fresh insulation over the entire attic floor restores the thermal barrier quickly and, when paired with air sealing, cuts the cooling load during Mentone’s brutal summer afternoons. We install loose-fill fiberglass and cellulose from brands including GreenFiber, Owens Corning, and Johns Manville, selected in the recommended depth for this climate zone. Learn more about the method on our Blown In Insulation hub.
Blown In Attic Insulation
Signs you need it
Your ceilings feel warm to the touch on summer afternoons, your AC runs almost constantly during heat waves, or the existing attic insulation is visibly settled below the tops of the joists.
What it costs in Mentone
Blown in attic insulation in Mentone typically ranges from $1,500 to $3,200 depending on the square footage, required depth, and whether old material must be removed first.
How we do it
We air-seal the attic floor penetrations, mark the target depth on the trusses, then blow loose-fill material evenly across the entire attic floor to the specified R-value.
Cellulose Insulation
Signs you need it
You want a denser, better air-blocking loose-fill material than fiberglass, or you prefer an option with high recycled content for environmental reasons.
What it costs in Mentone
Cellulose insulation in Mentone runs $1,800 to $3,400 on average, with the higher end covering full removal of old material and dense-packing into walls.
How we do it
We use GreenFiber cellulose, which is treated for fire resistance and pest resistance, and blow it to the coverage depth the square footage calls for.
What Blown In Insulation Costs in Mentone
| Item | Typical range in Mentone |
|---|---|
| Blown in attic insulation (standard retrofit) | $1,500 – $3,200 |
| Cellulose insulation (attic or walls) | $1,800 – $3,400 |
| Blown in fiberglass insulation | $1,400 – $2,900 |
Is blown in insulation better than batts in Mentone?
For Mentone’s older attics, yes. Blown in insulation fills the irregular bays and gaps common in these ranches and tracts, eliminating the voids that batts leave behind. It also covers the entire attic floor without the seams batts create. Call (866) 393-6041 for a site-specific recommendation.
How long does blown in insulation last in Mentone’s heat?
Cellulose and fiberglass both hold up well to attic heat if ventilation is adequate. What fails in Mentone is old, settled material, not the new product. Blown in insulation installed at proper depth with working vents lasts decades. We’ll inspect your ventilation as part of every estimate.
Brands We Service in Mentone
We install and service materials from our brands including Owens Corning, Johns Manville, Knauf, GreenFiber, CertainTeed, Rockwool, Icynene, and Demilec. Parts and material for Mentone jobs are stocked locally in our Laguna Hills warehouse, and typical turnaround from quote to installation is under a week.
Pricing for Insulation Company in Mentone, CA
| Service | Typical range in Mentone |
|---|---|
| Blown in attic insulation | $1,500 – $3,200 |
| Cellulose insulation | $1,800 – $3,400 |
| Blown in fiberglass insulation | $1,400 – $2,900 |
| Loose fill insulation | $1,400 – $3,000 |
| Attic air sealing (add-on) | $400 – $1,200 |
| Radiant barrier (under roof deck) | $1,000 – $2,500 |
| R-38 attic upgrade (blown in) | $1,700 – $3,300 |
| R-49 attic upgrade (blown in) | $2,200 – $4,000 |
| Full attic insulation removal | $800 – $2,000 |
| Garage ceiling insulation (blown in) | $600 – $1,500 |
Prices in Mentone push upward when we find settled or heat-damaged material that needs full removal before new insulation goes in, or when attic access is tight and older wiring requires prep work. Every quote is itemized and given before work starts, so the number you approve is the number you pay. Call (866) 393-6041 for a free estimate.
Neighborhoods We Serve in Mentone
We work throughout the 92359 ZIP and the surrounding Mentone area, including the neighborhoods along Mentone Boulevard, the foothill-edge streets east of Crafton Avenue, the older ranch-home pockets around the Mentone area of the Redlands Unified district, and the larger-lot properties trending toward the canyon mouth. Typical response for a site visit is same week, and we can quote from the attic inspection during that first visit.
- Mentone Boulevard area
- Foothill-edge streets east of Crafton Avenue
- Older ranch pockets near the railroad corridor
- Larger-lot rural properties toward the canyon mouth
- Mentone area homes within the Redlands Unified boundaries
Service Area – Cities Near Mentone
Laguna Hills Insulation serves Mentone and the surrounding inland communities, including Redlands, CA, Yucaipa, CA, Highland, CA, and Calimesa, CA. If you’re just outside Mentone, the same crews and material options apply.
Serving Mentone, CA — Our Local Coverage Area
We’re based in the Mentone 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 Insulation Company in Mentone
We schedule Mentone estimates within the same week in most cases, and we perform the attic inspection during that first visit so you get a written quote the same day. Installation typically happens within seven to ten days of approval. Call (866) 393-6041 to schedule.
Most attic and wall insulation retrofits in San Bernardino County do not require a permit when the work is limited to adding or replacing insulation. If your project involves structural changes or included electrical work, permitting may apply. We’ll tell you during the estimate if a permit is needed for your specific Mentone property.
In many cases, yes. If the existing insulation is dry, not compacted, and free of pest damage, we can blow new material directly over the top. When insulation in Mentone attics is degraded from years of sun-driven heat, full removal is the better long-term fix. We’ll show you what we found and give you both options with pricing before any work begins.
What happens when you call
- 1A real person answersNo phone trees — talk to a local insulation pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically within 1-hour.
- 4You approve before work beginsNothing starts until you say go.
What Mentone Customers Say
"Found and sealed a gap around the chimney chase that was basically an open chimney to the attic."
— Sofia Vargas"Plastic laid from the front door to the attic hatch and they vacuumed the hallway afterward."
— Rafael Garcia"Told me the crawlspace didn't need doing and only the attic did. Half the job, half the money."
— Hector Hernandez