Johns Manville Insulation Removal in Fresno: What to Know First
Johns Manville insulation removal in Fresno typically runs $1.20 to $3.50 per square foot depending on the product type, attic access, and how much material has compacted or absorbed moisture. Most single-family jobs in Fresno are completed in one day, with full cleanup before our crew leaves. As an independent Johns Manville service provider, we remove fiberglass batts, blown-in fiberglass, and spray foam lines like JM Corbond and Spider, then prep the attic for whatever comes next. If you’re dealing with a failed Johns Manville install or contamination from rodents, water, or fire damage, call (559) 666-2260 for a straight assessment and a written price before any work starts.
How Johns Manville Products Fail – and How We Remove Them
Johns Manville makes decent insulation, but no product survives every attic condition. Here’s what we actually see in Fresno attics with Johns Manville material, and what removal requires.
- JM Attic Protector blown-in fiberglass losing settled R-value. Fresno summers push attic temperatures past 140°F routinely, which accelerates settling in blown fiberglass. A 12-inch initial install can settle to 8 inches within a decade, dropping R-value from R-30 to under R-25. Removal means vacuuming the old material, assessing the air seal beneath, and often discovering the real problem was a failed can-light or duct penetration the whole time.
- JM ComfortTherm batts with kraft facing installed backward. We find this in Tower District bungalows and older homes across Fresno. The vapor retarder gets stapled facing the living space when it should face the conditioned side in our climate, trapping moisture inside the wall cavity and causing the fiberglass to clump and mold. Removal is straightforward, but the framing behind it usually needs a day of drying before new insulation goes in.
- Spider blow-in fiberglass with adhesive failing in sloped ceilings. JM Spider uses a light adhesive to hold fiberglass in cathedral and sloped assemblies. When the adhesive degrades in a hot Fresno attic, the material sags and slides, leaving bare spots at the ridge. Vacuum extraction is the clean way to pull it, and we’ve done enough Spider removals near Woodward Park to know the adhesive residue needs to be scraped from the drywall before anything new is installed.
- Corbond closed-cell spray foam off-ratio or improperly applied. Off-ratio foam never fully cures and can off-gas for years, or it cures brittle and pulls away from framing. This is the most labor-intensive removal we do. It requires mechanical scraping down to the substrate. There’s no solvent that makes closed-cell foam vanish. In Fresno, we’ve removed failed Corbond in attic roof decks where the homeowner thought the smell was a dead animal and the real culprit was uncured polyurethane.
- Animal contamination in blown-in fiberglass. Rats, mice, and squirrels treat blown Johns Manville fiberglass as bedding. Once feces and urine are present, no amount of spot-cleaning makes that material safe to leave. We bag and remove the contaminated insulation, sanitize the attic floor, and air-seal the entry points before new material goes down. This is a health issue, not just an energy issue, and the fix starts with complete removal.
Our Johns Manville Insulation Removal Process
Every Johns Manville removal job in Fresno follows the same sequence. No shortcuts, no surprises.
- 1
Assessment and written quote. We inspect the attic, identify the Johns Manville product, measure square footage, check access points, and hand you a written price before any work begins.
- 2
Containment setup. Our crew lays floor protection from the attic hatch to the exit, seals the work area, and sets up negative air where contamination is present.
- 3
Material extraction. Using commercial HEPA-filtered vacuums for blown-in material or hand-removal for batts and spray foam, we pull every pound of old Johns Manville insulation out of the space.
- 4
Substrate inspection and air sealing. With the attic empty, we can see what the insulation was hiding: failed duct connections, unsealed top plates, bath fans venting into the attic. We document it and seal what’s accessible.
- 5
Sanitizing and prep. For contamination jobs, we treat the deck. For all jobs, we leave the attic clean, dry, and ready for new material.
- 6
Final walkthrough and written guarantee. You inspect the space, then we hand you the paperwork. Every removal carries our 365-Day Done Right Promise in writing.
What Johns Manville Insulation Removal Costs in Fresno
Blown-in fiberglass removal in a standard 1,500-square-foot Fresno attic typically runs $1.20 to $2.00 per square foot. Batts and rolls come in at $1.25 to $2.25 per square foot. Spray foam removal is the expensive end of the range: $3.00 to $6.50 per square foot because it’s slow, physical work that can’t be vacuumed. A typical 1,200-square-foot blown-in removal in the Tower District lands between $1,400 and $2,400 before any air sealing or new insulation. What moves the price: attic access, material depth, contamination, and how much prep the framing needs afterward.
Call (559) 666-2260 for a free estimate. The number we quote is the number you pay, in writing, before we start.
Why Fresno Homeowners Call Alden Insulation Fresno for Johns Manville Work
We’re part of the Garrison Partners family, and every job in Fresno is held to The Garrison Standard. That means a background-checked, uniformed crew shows up inside the scheduled window, not a vague half-day range. The written price is in your hand before tools come off the truck. The written guarantee covers the work for 365 days, and if something fails inside that window, we return at no charge. Bryce Holloway and the crew have run jobs from older bungalows in the Tower District to newer builds past Shaw Avenue, and we know exactly how a Central Valley summer punishes an attic with inadequate R-value. We install and remove products from eight brands including Johns Manville, Owens Corning, Knauf, Rockwool, CertainTeed, Icynene, Demilec, GreenFiber, and Reflectix, so you’re never locked into one manufacturer’s material when it’s time to replace what we pulled.
Frequently Asked Questions
No. We’re an independent Johns Manville service provider, not an authorized contractor or manufacturer representative. That independence means we remove whatever is in your attic and replace it with what’s right for the house, not what a single brand wants us to sell.
Sometimes, depending on the schedule. Small blown-in removals under 1,000 square feet can often start the same week, and emergency contamination jobs get priority. Call (559) 666-2260 and a live person will give you an honest answer, not a voicemail.
Adding more insulation is cheaper up front, but if the existing material is wet, contaminated, or preventing access for air sealing, removal is the only fix that lasts. Covering a problem doesn’t solve it. We’ll tell you straight which one your attic actually needs.
For contamination, water damage, or failed spray foam, full removal is required. If the material is dry, clean, and just under-performing, we can remove only what’s necessary and add new material on top. The assessment determines the scope, and the written quote reflects exactly that.
Yes. Every job gets a written guarantee valid for 365 days. If the work fails inside that window, we return at no charge, including a free second visit. That’s the 365-Day Done Right Promise, and it’s in writing on every job we do in Fresno.
If you’ve got Johns Manville insulation that needs to come out of your Fresno attic, call (559) 666-2260. We’ll give you a straight assessment, a written price, and a clean job done by the book. Good insulation doesn’t make the news. That’s the point.
Written by Bryce Holloway, Owner, Alden Insulation Fresno at Alden Insulation Fresno, serving Fresno and nearby areas.