Insulation Company in Mentone, CA
Blown in insulation is the workhorse retrofit for Mentone homes, especially the mid-century ranch houses and cabin-style properties that line the foothill streets here. These houses were built for a different era, with shallow attics, irregular framing, and original insulation that has long since settled or compressed. Fontana Insulation has served Mentone since 2011, and we approach every job here with one question: what does this specific house need to handle 100-degree summers and near-freezing winter nights? Call us at (866) 271-1602 to talk through your home’s situation.
Why Mentone Homes Are Different
Mentone sits at the base of the San Bernardino Mountains, and that position creates a dual-demand insulation profile you won’t find in flatland Inland Empire cities. Summer heat pushes attic temperatures well past 130°F, while winter nights bring cold air drainage off the mountains that can drop outdoor temperatures near freezing even when Redlands stays mild. A Mentone home needs attic insulation that blocks radiant heat in August and slows conductive heat loss in January. It’s not an either/or problem.
The housing stock complicates things further. Many Mentone homes are mid-century ranch builds or older cabin-style properties from the 1950s and 60s, often with pier-and-beam or raised foundations. Attics tend to be shallow, irregular, or finished without modern venting. We regularly find original rock-wool batts that have settled unevenly after decades of Santa Ana wind vibration. In those cases, topping up is the wrong call. The old material has to come out before anything new goes in. That’s the kind of judgment call that generic insulation contractors miss, but it’s the norm for us in Mentone.
Our Main Mentone Services
Most Mentone homeowners call us about two things: re-insulating an attic that’s bleeding heat in summer, and sealing a drafty house with spray foam where blanket or blown material falls short. Both jobs require understanding how mountain-adjacent homes behave differently.
Attic Insulation in Mentone
Attic work in Mentone is rarely a straightforward blanket install. The attics here are shallow, often finished with old venting that no longer moves air properly, and the radiant heat load in summer is severe. We assess what’s already up there, remove compromised material when needed, and match the new insulation to the attic’s actual dimensions and venting. For older ranch homes with settled batts, that means full removal before re-install. For newer builds, it may be a targeted top-up with the right R-value for this climate zone. Read the full breakdown on our Attic Insulation in Mentone page.

Spray Foam Insulation in Mentone
Spray foam earns its place in Mentone when air sealing is the priority. Wind-driven heat loss is a real issue along the foothill streets, and homes with raised foundations or irregular framing leak air in ways batts and blown material can’t address. Open-cell foam handles interior sound and thermal control; closed-cell adds moisture resistance, which matters in pier-and-beam crawlspaces. We stock Icynene and Demilec foam, both performance-tested brands, and install them in-house without subcontracting. See Spray Foam Insulation in Mentone for specifics on applications and cost.

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 because it solves the two problems these homes share: uneven coverage in irregular attic cavities and compromised existing material that no longer performs. Loose-fill insulation flows into the odd corners, shallow bays, and tight framing that make batt installation impractical, while delivering the R-value needed for this climate zone. We offer both fiberglass and cellulose loose-fill, and because we carry Knauf and GreenFiber alongside other brands, the material choice is driven by your home’s conditions, not our inventory. For the full scope of our blown-in work, see our Blown In Insulation service hub.
Cellulose Insulation
Signs you need it
You’re paying for cooling all summer while rooms still feel hot, and your attic has settled rock-wool or fiberglass batts that no longer fill the cavity.
What it costs in Mentone
Blown cellulose for a typical Mentone attic runs $1.10 to $1.80 per square foot installed, depending on depth and whether old material must be removed first.
How we do it
We remove compromised material when needed, seal bypasses and penetrations, then blow cellulose to the target depth and density for your attic’s R-value requirement.
Blown In Attic Insulation
Signs you need it
Your attic floor is patchy or bare in spots, upstairs rooms swing hot and cold, and your energy bills spike every summer and winter.
What it costs in Mentone
Blown-in attic insulation in Mentone typically runs $1.00 to $2.50 per square foot, covering removal of old material, air sealing, and new loose-fill at target depth.
How we do it
We map the attic’s bays and framing, remove degraded insulation, seal gaps around wiring and vents, and blow fiberglass or cellulose to consistent depth.
What Blown In Insulation Costs in Mentone
| Item | Typical range in Mentone |
|---|---|
| Blown-in attic insulation (fiberglass) | $1.00 – $2.50 per sq ft |
| Blown-in cellulose | $1.10 – $1.80 per sq ft |
| Old insulation removal (when required) | $0.75 – $1.50 per sq ft |
How long does blown in insulation last in Mentone?
Cellulose and fiberglass loose-fill typically hold their R-value for 20 to 30 years, but Mentone’s Santa Ana winds and mountain air drainage can accelerate settling, especially in older attics. We check depth during inspection and tell you honestly whether a top-up or full replacement is needed. Call (866) 271-1602 to schedule a look.
Is blown in insulation enough for Mentone summers?
At the right R-value, blown-in insulation handles Mentone’s heat load well, but it works best paired with sealed bypasses and working venting. We assess the whole attic before recommending depth and material. Call (866) 271-1602 for a free estimate on your specific attic.
Brands We Service in Mentone
We stock and install Knauf fiberglass, Rockwool mineral wool, CertainTeed fiberglass, and Icynene spray foam, so the recommendation matches the house rather than what’s cheapest on the truck. Common insulation parts are stocked locally for quick turnaround on standard retrofits. Learn more about our brands and why each earns a place in our lineup.
Pricing for Insulation Company in Mentone, CA
| Service | Typical range in Mentone |
|---|---|
| Blown-in attic insulation (fiberglass) | $1.00 – $2.50 per sq ft |
| Blown-in cellulose | $1.10 – $1.80 per sq ft |
| Old insulation removal (when required) | $0.75 – $1.50 per sq ft |
| Attic batt insulation (fiberglass) | $1.10 – $2.80 per sq ft |
| Attic batt insulation (mineral wool) | $2.10 – $3.60 per sq ft |
| Spray foam insulation (open-cell) | $0.70 – $1.80 per board ft |
| Spray foam insulation (closed-cell) | $1.20 – $2.60 per board ft |
| Crawl space insulation (batt) | $1.20 – $2.90 per sq ft |
| Crawl space insulation (spray foam) | $1.00 – $2.20 per board ft |
| Air sealing | $0.60 – $1.10 per sq ft |
In Mentone, the biggest price drivers are old insulation removal, shallow or irregular attics that slow installation, and the need for air sealing before new material goes in. We quote upfront, item by item, so you see exactly what’s covered before we start.
Neighborhoods We Serve in Mentone
We work throughout the 92359 ZIP code, from the flat ranch neighborhoods near Mentone Boulevard up to the foothill streets that climb toward the mountains. We schedule most estimates for the same week you call, and we can usually start standard projects within two weeks.
- Mentone foothill neighborhoods
- Ranch properties along Mentone Boulevard
- Older cabin-style streets near the foothills
- Pier-and-beam homes throughout 92359
- Newer custom builds in the hill areas
Service Area – Cities Near Mentone
Fontana Insulation serves Mentone and the surrounding Inland Empire foothill communities. We work regularly in Redlands, CA, where older Craftsman and ranch homes need careful retrofit work, and in Yucaipa, CA, where similar mountain-adjacent conditions apply. We also cover Highland, CA and Calimesa, CA for homeowners dealing with the same summer heat and winter wind patterns that define this part of San Bernardino County.
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 most Mentone estimates within a week of your call, and standard blown-in or batt projects can usually start within two weeks. Emergency situations, like storm-damaged insulation or urgent air sealing, can often be scheduled sooner. Call (866) 271-1602 and we’ll give you a straight answer on timing.
Most insulation retrofit work in Mentone does not require a permit, since it’s classified as maintenance rather than structural alteration. If your project involves wall removal or changes to venting, permit requirements may change. We’ll tell you during the estimate whether anything needs to go through San Bernardino County.
Yes. Because we install attic insulation, spray foam, and blown-in material in-house, we can handle every part of a whole-house retrofit without subcontracting. That includes the attic, crawlspace, and wall cavities when accessible. We’ll scope the full job during one visit and give you one quote that covers everything.
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
"Work is good and the house is noticeably more comfortable. There was insulation debris left in the hall closet under the attic access that I had to clean up."
— Holly Mercer"Found and sealed a gap around the chimney chase that was basically an open chimney to the attic."
— Nadia Aziz"Installed baffles at the soffits so the new insulation didn't block the ventilation, which the previous contractor apparently never considered."
— Michelle Bennett