Frequently Asked Questions

We handle attic insulation removal and replacement, blown-in fiberglass and cellulose, batt insulation for walls and floors, crawl space insulation, and air sealing. We serve all of Fontana plus Bloomington, Rialto, Sunnyslope, Glen Avon, Muscoy, Rubidoux, Colton, Highgrove, Grand Terrace, Jurupa Valley, and San Bernardino. Each job starts with a free inspection and written estimate. We work on both new construction and retrofit projects, and we're experienced with the older housing stock common in central Fontana neighborhoods where attics are tight and access points are small.

Most attic insulation jobs in Fontana are completed in one day, typically 4 to 8 hours depending on attic size and whether old insulation needs removal first. Whole-home insulation for new construction or major remodels in Highgrove or Grand Terrace can take 2 to 3 days. Crawl space work adds time because access is physically demanding. We'll give you a clear timeline in your written estimate, and we schedule around your availability. Our crew works efficiently but never rushes the details like baffle placement and air sealing that determine long-term performance.

We strongly recommend removing old insulation when it's water-damaged, pest-infested, compressed, or contains vermiculite. In Fontana homes built before 1990, old fiberglass batts often have rodent droppings and decades of dust, and compaction reduces their R-value significantly. We remove old material with a commercial vacuum system, sanitize the attic floor, and then install fresh insulation to the R-value your home needs. In some cases where existing insulation is dry and clean, we can top it off instead. We'll assess this during the free inspection and explain what we see.

For Fontana's climate, the Department of Energy recommends R-30 to R-60 for attics, with R-38 being the practical minimum for most homes. Walls should be R-13 to R-21, and floors over crawl spaces R-19 to R-30. The Inland Empire's summer highs over 100 degrees mean attics regularly hit 140 degrees, and under-insulated attics force AC systems to work much harder. Homes in Sunnyslope and Muscoy with older construction often have R-11 or R-19 in the attic, far below current standards. We'll calculate the right R-value for your specific home during the estimate.

We start with a free inspection and measurement, then provide a written estimate. On install day, we protect your floors and work areas, remove old insulation if needed, air seal gaps around top plates and penetrations, install baffles at soffit vents, then blow in or lay the new insulation to code. We clean up thoroughly when done, including vacuuming any stray fibers from living areas. For blown-in jobs around Rialto and Bloomington, we mark the R-value depth on attic rulers so you can verify coverage. The whole process is designed for minimal disruption to your household.

Yes, for existing walls we use drill-and-fill insulation, also called dense-pack cellulose or injection foam. We drill small holes through the drywall or exterior stucco, blow insulation into each stud cavity, then patch the holes. This works well for Fontana homes in Jurupa Valley and Rubidoux where exterior walls feel warm to the touch in summer. The process takes about a day for a typical single-story home, and we're careful to match the patch texture. It's a great option when you have no wall insulation and don't want a full remodel.

We install fiberglass and mineral wool from Johns Manville and CertainTeed, and we also work with Rockwool for fire-resistant and soundproofing applications. These manufacturers have decades of testing behind their products, and their R-value claims are documented and consistent. For blown-in applications we use fiberglass with consistent density and low dust. The right brand depends on the job: Johns Manville batt insulation works well for walls, CertainTeed blown-in is efficient for attics, and Rockwool excels when you need extra fire resistance or noise reduction between rooms or tenant units.

Rockwool, also called mineral wool, costs more than fiberglass but delivers clear benefits for certain Fontana applications. It's fire-resistant up to 2,000 degrees, dense enough to block sound between rooms, and doesn't absorb moisture the way fiberglass can. For homes near the 210 freeway in Rialto or Colton where road noise is constant, Rockwool in exterior walls makes a noticeable difference. For standard attic insulation, fiberglass delivers better value per R-value dollar. We'll explain the tradeoffs honestly and let you decide what fits your needs and budget.

Fiberglass is made from spun glass fibers and comes in batts or blown-in form. Cellulose is made from recycled paper treated with fire retardants and is always blown in. Fiberglass holds its R-value longer and doesn't settle as much. Cellulose costs slightly less and fills odd cavities better, but it settles over time and loses R-value if it gets wet. In Fontana's dry climate, both perform well in attics. We typically recommend blown-in fiberglass for attics because it holds its loft better under the extreme summer heat we get in the Inland Empire.

Blown-in fiberglass is our most common attic recommendation for Fontana homes. It installs quickly, achieves uniform R-value coverage, resists moisture, and doesn't settle significantly. For attics with lots of ducts, wiring, and odd framing common in older Glen Avon homes, blown-in fiberglass fills around obstructions better than batts. If you have a pest problem, batts are sometimes preferable because they're easier to remove and replace section by section. We'll look at your specific attic layout and give you a straight recommendation.

Every pro working under our name is required to hold the license and insurance their state requires. We carry general liability coverage for the work we perform, and we're happy to provide documentation when you request an estimate. We've been serving Fontana and surrounding communities since 2011, and we take the responsibility of working in your home seriously. If you're comparing insulation contractors in Bloomington, Rialto, Sunnyslope, or anywhere else in San Bernardino County, always verify credentials before any work begins.

Yes, we've been working in Fontana since 2011. We've insulated homes in neighborhoods across the city, from the older central Fontana grid streets to newer developments near the 210 corridor. We know that Fontana attics get brutally hot in summer, that many older homes in Muscoy and Sunnyslope have undersized venting, and that crawl spaces in Jurupa Valley can hold moisture differently than in drier parts of the Inland Empire. Local experience means we don't relearn your neighborhood's quirks on your dime.

Ask for their contractor's license number and verify it online through the Contractors State License Board. Request proof of insurance, including general liability. Check that they've been operating in the area for several years and have a real local presence. Read reviews on multiple platforms, not just their website. Ask for references from recent jobs in Fontana, Rialto, or Bloomington. A legitimate contractor will provide all of this without hesitation. We've been serving San Bernardino County since 2011 and welcome these checks.

We can usually schedule an inspection quickly, and our phone line at (866) 271-1602 is answered by a live coordinator during business hours. Our hours are Monday through Friday 7:00 AM to 7:00 PM, Saturday closed, and Sunday 7:00 AM to 7:00 PM. We'll get you on the schedule as soon as possible, and in many cases we can start the work within a few days. If you're dealing with wet insulation after a roof leak or pest damage, call us right away and we'll prioritize getting you inspected.

Water-damaged insulation from a roof leak or burst pipe is a true emergency because wet insulation loses R-value and can grow mold. Pest-infested insulation from rodents or raccoons is also urgent, especially in Fontana attics where droppings can affect indoor air quality. Exposed wiring in an uninsulated attic isn't an insulation emergency exactly, but it's dangerous and should be addressed by a qualified electrician. If you've had a fire or major water event, call us at (866) 271-1602 during business hours and we'll help you assess the insulation damage.

We respond to quote requests during business hours, Monday through Friday 7:00 AM to 7:00 PM and Sunday 7:00 AM to 7:00 PM. The live coordinator who answers at (866) 271-1602 will get your information to the local team right away. We'll schedule a free inspection at a time that works for you, often within the same week. For homeowners in Bloomington or Colton dealing with urgent issues like water-damaged insulation, we do our best to get an inspection scheduled promptly.

We stand behind our installation workmanship and will address any issues that result from improper installation. The insulation products we install from manufacturers like Johns Manville, CertainTeed, and Rockwool carry their own manufacturer warranties covering material performance. The details depend on the specific product and application, and we'll explain everything in writing before your project starts. If something isn't right after we finish, call (866) 271-1602 and we'll make it right. We've been in business since 2011 because we fix our mistakes.

Manufacturer warranties from Johns Manville, CertainTeed, and Rockwool typically cover defects in the material itself, including failure to maintain stated R-value over time under normal conditions. Warranties don't cover damage from roof leaks, pests, or improper ventilation. That's why proper installation matters: even quality material fails if moisture gets in or ventilation is blocked. We'll give you the manufacturer warranty documentation for the specific product we install, and we'll explain what's covered and what's not in plain language before you sign.

Call us at (866) 271-1602 and tell us what's wrong. We'll come back and inspect the work. If the issue is something we did, we'll fix it at no charge. If the problem is outside our control, like a new roof leak soaking the insulation, we'll explain what happened and help you figure out next steps. We've served Fontana, Glen Avon, Grand Terrace, and the surrounding area since 2011, and our reputation depends on homeowners being satisfied with the work we leave behind.

Fiberglass and mineral wool insulation can last 30 to 50 years or more if the attic stays dry and pest-free. Cellulose typically lasts 20 to 30 years before settling reduces its effectiveness. In Fontana homes, the real threats to insulation lifespan are roof leaks, rodents in the attic, and compression from storage or foot traffic. Attics with poor ventilation age insulation faster because extreme heat accelerates some forms of degradation. We'll inspect your existing insulation during the free estimate and tell you honestly how much life it has left. Call (866) 271-1602 to schedule that inspection.

Written by the team at Fontana Insulation, serving Fontana, California since 2011.