Most Naples homeowners don't think about their insulation until something forces the issue. Water got in. Critters moved in. The power bill keeps climbing and nobody can figure out why.
We remove insulation from homes across Collier, Lee, and Charlotte counties multiple times a week — it's one of the most common calls we get. We've been doing this in Southwest Florida since 2012, and we've learned to spot the difference between insulation that needs replacing and insulation that's just old but still doing its job. Here's what we tell homeowners.
A roof leak during hurricane season, a burst pipe above the ceiling, persistent condensation from an undersized AC system — any of these can soak fiberglass batts completely. And wet fiberglass is actually worse than no insulation at all. It compresses, loses R-value immediately, and in Florida's humidity? Mold starts growing within 48–72 hours.
If your insulation got wet and wasn't professionally dried within two days, it needs to come out. There's no "wait and see" once mold takes hold.
Florida's humidity makes mold a constant battle — especially in attics. We've pulled insulation from homes in East Naples and Golden Gate Estates where the homeowner had no clue mold was growing two feet above their ceiling. The telltale signs: musty smell in certain rooms that won't go away, allergies getting worse for no apparent reason, or dark discoloration visible on the attic-side of your drywall.
You can't spray over moldy insulation. You can't seal it in. It has to come out, the cavity has to be treated, and then you start fresh with clean material.
Rats, mice, squirrels, raccoons — they treat fiberglass batts like luxury bedding. They nest in it, urinate on it, and leave droppings throughout the material. We see this constantly in older homes near the Everglades fringe and in Bonita Springs neighborhoods that back up to preserves.
Pest-contaminated insulation is a genuine health hazard. Rodent urine soaks into fiberglass and you simply cannot clean it out. Hantavirus is a real risk with rodent droppings. Removal and replacement is the only legitimate fix — followed by sealing every entry point so they don't come right back.
Blown-in fiberglass and cellulose settle over time. A lot. What was R-30 when it was installed 20 years ago might be sitting at R-12 today. We've measured attics in older Naples neighborhoods — Park Shore, Pelican Bay, homes in the Moorings — where the insulation had settled to barely half its original depth. Bare spots everywhere.
When insulation is visibly thin, compressed, or full of gaps, removal and replacement makes more sense than just blowing more material on top. Layering over degraded insulation traps moisture and creates uneven thermal performance across your ceiling.
If you're making the jump to spray foam insulation, the old material has to come out first. Spray foam needs direct contact with the substrate — the roof decking, wall sheathing, whatever surface it's bonding to — to create a proper air seal. Spraying over old batts defeats the entire purpose. You end up with gaps, trapped moisture pockets, and reduced adhesion. It's one of the most common mistakes we see from less experienced contractors.
Running new electrical, adding recessed lighting, reconfiguring ductwork, structural reinforcement — all of these require cavity access. The insulation comes out, the work gets done, and then you have a choice: put the old stuff back (if it's in good shape) or upgrade while everything's already open. Honestly, if the walls or ceiling are already exposed, upgrading to spray foam at that point is the easy call.
Not all removal jobs are the same. The type of insulation in your attic or walls changes the equipment, timeline, and approach:
Insulation removal isn't glamorous. Here's what actually happens when our crew shows up:
Can you technically remove your own insulation? Sure. Should you? We've been doing this since 2012 and we'd strongly suggest against it. Here's the honest reality:
After removal, you've got a clean slate. For most Naples homes, here's what we typically recommend based on the situation:
Doing the removal and the reinstall in the same visit is the cleaner way to run it. The crew is already on-site, the attic never sits bare overnight, and you're not scheduling two contractors around each other.
Naples and the rest of SWFL sit in IECC Climate Zone 1. After a removal, there are really only two numbers that matter, and which one applies depends on how you rebuild the attic.
Foam at the roof deck for an unvented attic: open cell, 5 inches minimum, R-30. Blown-in over the ceiling for a vented attic: R-38. Those are the numbers to hold any contractor to. On new construction they show up on the Florida Form R405 energy calc. On a retrofit they show up as depth in your attic — which you can check yourself with a tape measure after the crew leaves.
Removal pricing depends on the type of insulation, how accessible the space is, the square footage, and whether hazards like mold or pest contamination are involved. Contaminated removal costs more because it takes extra containment and specialized disposal. Call (239) 455-2002 and we'll size the quote from your county property-appraiser records — you get a written price without anybody coming out to the house first.
We strongly advise against it for most homeowners, especially in Florida. SW Florida attics run 130-140°F in summer, fiberglass particles require real respiratory protection, and if mold or asbestos is present, improper removal can create serious health and legal problems. Professional equipment and containment protocols exist for good reasons.
Common signs include a persistent musty smell in certain rooms (especially near the ceiling), worsening allergy symptoms with no other explanation, and visible dark discoloration on the attic-side of drywall or on the insulation itself. If you suspect mold, don't go poking around in the attic yourself — call for a professional inspection so the assessment happens with proper containment ready.
Yes. Spray foam needs to bond directly to the substrate (roof decking, wall sheathing, etc.) to create a proper air seal. Installing spray foam over old batts or blown-in material creates gaps, traps moisture, and prevents the foam from adhering correctly. Remove first, then spray — it's the only way to get the performance you're paying for.
Most residential attic removal jobs take 4–6 hours. If we're also reinstalling new insulation the same day, plan for a full day. Larger homes or contaminated jobs may take two days. We run 9 trucks with 20+ certified installers, all on payroll and no subcontracting, so most installs happen the same week — often within 48 hours.
Fiberglass itself isn't toxic, but the small glass fibers irritate skin, eyes, and the respiratory system when disturbed. The bigger danger is what may be growing in or on old fiberglass — mold from moisture exposure, rodent waste, or in very old homes, asbestos-containing materials nearby. Any removal should be done with proper PPE and containment.
Not sure whether your insulation needs to come out? Call and tell us what you're seeing — water stains, a musty smell, droppings in the attic, or fiberglass that has gone flat. Sometimes the honest answer is that your insulation is fine and you should leave it alone. We'll tell you that.
When it does need to come out, we size the quote from your county property-appraiser records, so you get a written price with no site visit. If the number works, we do a free pre-visit before the install. Then it's one crew, one visit: removal, cavity inspection, and reinstall with spray foam, blown-in, or batts.
"Showed up on time, crew was very efficient and helpful... cleaned up afterward" — Doug S.
Ideal Insulation has worked out of Naples since 2012. 9 trucks, 20+ certified installers, all on payroll — we don't subcontract. We cover Collier, Lee, and Charlotte counties, from Marco Island up through Fort Myers, Cape Coral, and Punta Gorda. Se habla español.
Call (239) 455-2002, email estimates@idealinsulationinc.com, or send us the details online. You can also schedule a free energy audit.