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Lehi · Utah County · Climate Zone 5B

Attic Insulation Removal & Replacement in Lehi, Utah

Sometimes the old insulation has to go. More often it doesn't. We will tell you which, with photos.

Lehi Elite Insulation removes rodent-contaminated, water-damaged, and smoke-affected attic insulation from homes in Lehi and across Utah County, cleans and sanitizes the attic, air seals the floor, and re-insulates to Utah's R-49 code level. One crew, one written price, one continuous job.

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  • ✓ Honest call on whether removal is even needed
  • ✓ Vacuumed out through a sealed hose to the truck, not carried through the house
  • ✓ Removal, sanitizing, air sealing, and new insulation priced as one number

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We look, photograph, and tell you straight what needs to come out.

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The honest answer

When insulation removal is necessary, and when it isn't

Removal doubles the labor on an attic job. We only recommend it when leaving the old material in place would leave a problem in place with it.

Dry, clean, settled insulation is not a problem. It is just thin. A new layer blown over it brings the attic to code, the old material still counts toward the total R-value, and you pay for one job instead of two. That is the outcome for most Lehi attics we inspect, and we say so.

Removal is the right call when the material itself is the problem. Four situations qualify:

  • Rodent contamination. Droppings, urine, and nesting material in the insulation. Mice and rats leave scent trails that draw the next generation back, and urine-soaked insulation holds odor and bacteria. Covering it with new material seals the problem in.
  • Water damage. A roof or plumbing leak that soaked the insulation. Wet fiberglass loses its R-value, wet cellulose compacts and holds moisture against the drywall, and both can grow mold if they stay damp.
  • Smoke or fire. Insulation absorbs smoke and holds the smell for years. After a fire, even in another part of the house, the attic layer often has to go before the smell does.
  • Vermiculite. Pebble-like insulation from before about 1990 that may contain asbestos. This one is a stop, not a removal. See below.

If your attic is in the first group, we will tell you and quote a standard attic top-up instead. If it is in the second, the removal and the re-insulation are one job with one price.

Vermiculite: stop and test first. Gray-brown or silver-gold pebbles, often loose between the joists. Some of it contains asbestos. Do not disturb it, do not vacuum it, do not blow over it. Have a sample tested by an accredited lab. If it is positive, removal is licensed asbestos abatement work regulated by the Utah Division of Air Quality, not an insulation job. We will refer you rather than touch it.
Not sure which group you're in? The free inspection is the answer. We go up with a light and a camera, and you get the photos either way.
Rodents

Pest control first, then removal. Never the other way around.

The order matters. New insulation in an attic that mice can still get into is contaminated again by next winter, and you have paid twice.

Exclusion

A pest control company finds and seals the entry points: gaps at the roofline, soffit and fascia joints, utility penetrations, garage door corners. This is their trade, not ours, and we refer you to companies in Utah County that do it properly.

Confirmation

Once the house is sealed and activity has stopped, we schedule the removal. Doing it while rodents are still active is a waste of your money.

Removal and sanitizing

The contaminated material is vacuumed out to the truck. Droppings and nesting are removed from the framing. The attic is treated with a sanitizer and deodorizer rated for rodent contamination.

Air seal and re-insulate

With the attic floor bare, this is the best possible time to seal every gap. Then new insulation goes in to R-49 or R-60, with baffles, dams, and depth rulers.

Attic interior with rafters and roof deck visible above the insulation line
With the old layer out, every top plate, chase, and can light on the attic floor is exposed for sealing. Stock photo.
The process

How attic insulation removal works

The whole job is designed so the contaminated material leaves the house without passing through it.

A large insulation vacuum stays on the truck. A hose runs from the truck, through the door, along a covered path, and up through the attic hatch. The crew works the hose across the attic floor and the old material goes straight into sealed collection bags at the truck. Drop cloths cover the route in. Nothing is carried through the hallway in open bags.

Once the joists are bare, the crew removes any debris the vacuum could not take, bags it, and applies the sanitizing treatment where contamination calls for it. Then the attic floor gets the same air sealing we do on every attic job: top plates, plumbing and flue chases, bath fan housings, can lights, wiring holes, and the hatch.

New insulation goes in last. Blown fiberglass or cellulose to the R-value in your quote, rafter baffles at the eaves, dams around the hatch, and depth rulers so anyone can verify the coverage from the hatch. You get before-and-after photos of the whole sequence.

Priced as one job

Removal, sanitizing, air sealing, and re-insulation are one line on the quote. The inspection is free, the price is flat and in writing, and it doesn't move after you sign.

Water and smoke

Leaks and fire damage

Wet insulation is dead insulation. Fiberglass loses most of its R-value when soaked and takes a long time to dry inside a closed attic. Cellulose compacts and holds moisture against the ceiling drywall.

After a roof leak, an ice dam that backed up under the shingles, a burst supply line, or a bath fan that has been venting into the attic instead of outside for years, the insulation under the wet spot usually has to come out. Sometimes it is one bay. Sometimes it is a quarter of the attic. We map the damage during the inspection and quote removal of only what is actually affected. The roof or plumbing repair has to happen first, otherwise we are insulating a leak.

Smoke is a smell problem more than a structural one. Attic insulation acts like a filter and holds smoke for years. After a fire, or a serious kitchen or garage fire in another part of the house, replacing the attic layer is often what finally gets rid of the odor.

Rebates still apply on the re-insulation

The new insulation that goes in after removal qualifies for the same programs as any attic job. For Enbridge Gas customers, ThermWise pays $0.32 per square foot when at least R-19 is added and the attic finishes between R-49 and R-60, through a ThermWise authorized contractor. The removal itself is not rebated. Full rules in our rebates guide.

Photo documentation

Every removal job is photographed before, during, and after. If an insurance claim is involved, those photos and the written scope are what the adjuster wants to see.

Common questions

Insulation removal in Lehi, UT: FAQs

Do I need to remove old insulation before adding new?

Usually not. If the existing material is dry, uncontaminated, and not vermiculite, we air seal and blow new insulation over the top. The old layer still counts toward your R-value. Removal is for rodent contamination, water damage, smoke, or suspected asbestos, and we will show you photos of which situation you are in.

How do I know if mice got into my insulation?

Droppings on top of the insulation, tunnels and packed-down runways through it, a strong ammonia smell from urine, shredded nesting material, and grease marks along framing are the usual signs. Scratching in the ceiling at night is the sign most people notice first. Get a pest control company to find and seal the entry points before any removal work.

Is it safe to stay home during removal?

Yes. The vacuum hose runs from the attic hatch out to the truck, so the contaminated material leaves the house through a sealed line. The path from the door to the hatch is covered. You may want to keep pets and kids away from the work area for the day.

What about vermiculite?

Vermiculite is a pebble-like insulation, gray-brown to silver-gold, common in homes built before about 1990. Some of it contains asbestos. If you see it, do not disturb it. Have a sample tested by an accredited lab first. If it tests positive, a licensed asbestos abatement contractor has to remove it, not an insulation crew.

How long does removal plus re-insulation take?

Longer than a plain top-up. Removal, sanitizing, air sealing, and re-insulation are done as one continuous job, and the schedule for your attic is spelled out in the written quote.

Related

Other work that often goes with this

Attic insulationThe top-up job for attics that are just thin, not contaminated. Spray foam insulationFor rim joists and vaulted ceilings exposed once the old material is out. Utah insulation rebatesWhat the re-insulation qualifies for, by utility.
Free inspection

Get a straight answer on whether it needs to come out

We go up with a light and a camera, show you what we find, and quote the right job, whether that is a full removal or a simple top-up.

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Request a callback

Mon–Fri 7am–6pm. We'll call you back to schedule.

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