Fast, Reliable Attic Insulation Across Bloomington
If your Bloomington home was built before 1980, there’s a good chance your attic has 3 inches of settled fiberglass and nothing else between you and a 140°F ceiling cavity. That’s the reality for most of the tract homes here, and it’s why cooling bills in the 92316 zip code run so high from June through September. We install attic insulation, spray foam, and blown-in across Bloomington with crews that know the local housing stock inside out. Call (855) 798-0822 and we’ll have someone look at your attic within 48 hours.
This isn’t a coastal-insulation job. Bloomington’s dry, brutal inland heat punishes attics differently than anywhere west of the 15 freeway, and the fix is rarely just “add more insulation.” It’s usually add insulation, add a radiant barrier, and fix the ventilation so the attic can actually breathe. We’ll walk you through what your specific home needs.
Why Rock Solid Insulation Is Bloomington’s Preferred Attic Insulation Company
We’ve worked in enough Bloomington attics to know what’s up there before we even open the hatch: compacted fiberglass, bare roof decking, and soffit vents that haven’t pulled air since the Nixon administration. Ruben Calloway built this company around a simple idea: recommend the insulation that fits the house, not the one we happen to stock. That’s why we carry eight brands and three installation methods, so your 1960s stucco ranch off Cedar Avenue gets a different solution than a 1980s two-story near Ayala Park.
Our Bloomington customers tell us the same thing: they called because a neighbor mentioned how much quieter and cooler their house felt after we finished. We respond to Bloomington calls same-day or next-day, and our estimates are free. No pressure, just a straight read on what your attic actually needs. The Attic Insulation team we send to Bloomington is the same crew that handles Ontario, Fontana, and Rialto, so you’re getting experienced hands, not a trainee learning on your house.
Radiant Barrier in Bloomington
A radiant barrier in Bloomington does one thing extremely well: it reflects radiant heat from the sun back out of your attic before the insulation ever has to deal with it. In this climate, where summer highs routinely cross 100°F, a foil radiant barrier mounted on the underside of the roof deck can drop peak attic temperatures by 25 to 35 degrees. That’s the difference between an attic that cooks your ceiling drywall and one that stays merely warm. For most Bloomington homes we pair the barrier with blown-in insulation, because neither one alone solves the heat problem.
Radiant barrier installation on a standard 1,200 to 1,600 square foot Bloomington ranch typically runs $1,200 to $2,600 depending on attic accessibility and whether we’re also air-sealing the ceiling plane. It’s a half-day to full-day job for our crew.
When the Roof Deck Needs It
We see this constantly in Bloomington: the roof gets blasted by direct sun all afternoon, the attic hits 140°F, and the HVAC unit up there works twice as hard as it should. Radiant barrier stops most of that heat before it ever enters the attic. Homes with dark shingle roofs and west-facing exposures benefit the most.
Pairing Barrier with R-38
Adding R-38 blown-in fiberglass below a radiant barrier is the most common upgrade we do in Bloomington. The barrier handles radiant heat. The blown-in insulation slows conductive and convective heat transfer. Separately, each is helpful. Together, they cut the cooling load on a 1950s tract home measurably, often 25% or more on the hottest days.
Attic Cleaning Services in Bloomington
Attic cleaning services in Bloomington address something most homeowners never see until something goes wrong: rodent droppings, old nests, compacted debris, and dust that’s been accumulating since before the house had air conditioning. Before we blow in new insulation or install a radiant barrier, we remove the old material, vacuum the floor joists, and sanitize the space. Starting with a clean, dry attic means the new insulation performs the way the manufacturer intended.
A full attic cleaning in a Bloomington home runs $800 to $1,800. The spread depends on the size of the attic, how much old insulation needs removal, and whether there’s evidence of rodent activity. We quote this as a separate line item so you know exactly what you’re paying for.
Removal Before Replacement
Most Bloomington attics still hold the original fiberglass batts or blown-in material from the 1960s and 70s. That material has settled, absorbed dust and moisture, and lost most of its R-value. Removing it before installing new insulation is standard practice for us, not an upsell. You cannot properly air-seal a ceiling plane while sitting on top of 40-year-old compressed material.

What We Find in Bloomington Attics
Droppings from roof rats are common in this part of the Inland Empire, especially in older neighborhoods where mature citrus trees grow near the house. We also find old knob-and-tube remnants, vermiculite that needs testing, and disintegrated paper-backed batts. Our crew handles it methodically, one section at a time, with full PPE. You should not attempt this kind of cleaning yourself, especially if there’s any question about old wiring or droppings.

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.
Trusted Brands We Service in Bloomington
We install Owens Corning and Johns Manville fiberglass, Knauf batts, and GreenFiber cellulose across Bloomington and the surrounding Inland Empire. Rather than pushing one manufacturer, we choose the material based on what your attic needs: vented or unvented, tight access or open, new build or 60-year-old retrofit. That’s the whole point of carrying multiple brands. We’re not married to any of them, which means our recommendation comes from your house, not our inventory sheet. Our trucks are stocked with local parts and materials, so we’re not waiting on a warehouse in Rancho Cucamonga when your Bloomington job is ready to go.
Common Attic Insulation Problems We See in Bloomington Homes
- Settled fiberglass with an R-value around R-7. The original batts or blown-in material from the 1950s through 70s have compressed under their own weight and decades of dust. R-7 is what you’d put in a mild coastal garage, not an Inland Empire attic that sees 100°F-plus days for months at a time.
- Zero radiant barrier and blocked soffit vents. Most Bloomington tract homes were built before radiant barriers were standard in this region. Add blocked soffit vents, and the attic becomes a convection oven. We regularly measure 140 to 150°F up there on July afternoons.
- Wood-frame construction with minimal wall insulation. Even when the attic gets upgraded, thermal bridging through the stud bays keeps heat moving into the house. That’s why we look at the whole assembly, not just the floor of the attic.
- Rodent damage to insulation and wiring. Roof rats chew through fiberglass and leave droppings that make the attic unsafe to work in. We see the most activity in neighborhoods with older fencing and mature trees, common throughout the 92316 zip code.
Pricing for Attic Insulation in Bloomington, CA
Blown-in attic insulation to R-38 in a typical 1,200 square foot Bloomington home runs $1,800 to $3,400, including removal of the old material. Attic batt insulation for the same footprint lands between $1,500 and $2,800. An attic insulation top-up, where we add material on top of existing coverage, starts around $900 and goes to $1,600. Full attic replacement, including cleaning, air-sealing, new baffles, and insulation, runs $2,800 to $5,500 for most Bloomington homes. Radiant barrier adds $1,200 to $2,600 depending on the attic configuration. These are real ranges for this market, not national averages. Call (855) 798-0822 and we’ll give you a firm quote based on your exact attic. Estimates are free.
We Also Serve Cities Near Bloomington
Our crews cover Bloomington and the surrounding Inland Empire corridor daily. We’re in Fontana, Rialto, Glen Avon, and Pedley most weeks, often multiple times. If you’re right on the edge of Bloomington and one of those cities, you’ll still get the same same-day response and free estimate. And if you’re checking whether we cover your exact street, just look us up under Attic Insulation in Bloomington for full service-area details.
Serving Bloomington, CA — Our Local Coverage Area
We’re based in the Bloomington 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 Bloomington
Bloomington sits lower and more open than Riverside, with fewer mature tree canopies shading the roofs of its older tract neighborhoods. Combine that with homes built in the 1950s through 70s with little to no original insulation, no radiant barrier, and undersized soffit vents, and you get attics that regularly hit 140 to 150°F from June through September. Newer neighborhoods in Riverside and Ontario tend to have better-starting insulation levels and more recent building codes, so they don’t reach the same extremes. In Bloomington, the heat load starts higher and build over longer stretches of consecutive 100°F-plus days. Call (855) 798-0822 and we’ll measure what your attic is actually doing before we recommend anything.
No. Blowing in new insulation helps, but it won’t fix the problem by itself. In a 1960s Bloomington house, the roof deck is absorbing direct sun all day with no radiant barrier to reflect it. So even with R-38 on the attic floor, the roof deck is still radiating heat downward into the insulation and eventually into your ceiling. You also likely have air leaks at the ceiling plane that insulation alone won’t seal. The fix is three-part: air-seal the ceiling plane, blow in new insulation to at least R-38, and install a radiant barrier. That combination addresses all three heat paths. Insulation alone is a partial fix.
Every five years in Bloomington, and more often if you have an older home. The extreme summer heat accelerates settling and compression in the original fiberglass, and rodents are active in the 92316 area year-round. You’re looking for visible settling, dark dust lines where air has been moving through the insulation, and any signs of droppings or nesting. If your attic hasn’t been looked at since you moved in, that inspection is overdue. We’ll do it as part of a free estimate.
Yes. A radiant barrier attaches to the underside of the roof rafters, not the attic floor, so the existing insulation can stay in place while we work. That said, if your existing insulation is the original settled material from decades ago, you’ll get far better overall performance by removing it and starting fresh. We’ll show you exactly what’s up there and quote both options so you can decide with real numbers.
We install Owens Corning and Johns Manville fiberglass, Knauf batts, and GreenFiber cellulose. For Bloomington attics specifically, we most often recommend Owens Corning blown-in fiberglass for its settling resistance in high-heat conditions, paired with a foil radiant barrier from a dedicated manufacturer. But the brand always follows the application. Some attics with odd joist spacing or moisture issues are better served by GreenFiber cellulose or Knauf batts. We’ll tell you which one fits and why.
Written by Ruben Calloway, Owner at Rock Solid Insulation, serving Bloomington and the Inland Empire.
Ready to Get Your Bloomington Attic Fixed?
You don’t have to wait another summer of $500 cooling bills before doing something about it. Call (855) 798-0822 today and we’ll schedule a free attic assessment in Bloomington. We’ll measure your insulation depth, check your ventilation, and give you a straight answer on what it’ll take to drop that attic temperature and keep your house cooler. No obligation, no pressure, just a real diagnosis from a crew that knows Bloomington attics better than anyone.