Attic insulation removal is one of those jobs where the quotes come back hundreds of dollars apart
and nobody explains why. This guide covers what the work actually costs across the five boroughs and
Nassau, what changes the number, and the one situation where the job stops being demolition and
becomes abatement.
Cost by material and method
- Fiberglass or mineral wool batts: $1.20–$2.90 per square foot of attic floor.
- Loose-fill cellulose or blown fiberglass: $1.75–$3.40 per square foot.
- Spray foam on the roof deck: $2.50–$5.00 per square foot.
- Inside a full gut, where ceilings are already open: $0.60–$1.50 per square
foot. - Typical whole-attic job: $1,600–$4,200; a large or wet attic with poor access can
exceed that.
The five things that move a quote
- Depth. Insulation is quoted by area but disposed of by volume and weight. Twelve
inches of blown-in is three times the bags of four inches. - Access. A pull-down stair, a scuttle hatch or a bulkhead changes handling time
more than anything else on the list. - Condition. Wet material can weigh three to four times its dry weight; rodent-soiled
material is double-bagged and sealed. - Carry and parking. Two flights down in an occupied building, or no driveway to
back into, both add labour hours. - What else is up there. Most attics we strip also hold decades of storage — worth
clearing in the same visit rather than two.
Disposal: this is construction debris
A whole attic's worth of bagged insulation is not household trash, and neither DSNY nor a Nassau
town collection will take a renovation quantity at the curb. It goes to a licensed transfer station and
it is billed by weight — the same rules covered in
construction debris removal. On a renovation it usually
leaves with the rest of the interior demolition debris, and on a
whole-house clear-out it goes with the basement and attic cleanout
scope.
When testing comes before removal
If the material between the joists is pellet-like grey-brown vermiculite, or there is deteriorating
pipe or duct wrap in the space, it is sampled by a lab before anything is disturbed. Some pre-1990
vermiculite contains asbestos. A positive result means a licensed abatement contractor removes the
material under containment and provides clearance documentation, and we handle the demolition and haul
after that. This is not optional and it is not something to work around.
Remove or add on top?
If the existing material is dry, clean and simply thin, adding over it is usually the cheaper
answer. Removal earns its cost when the insulation is wet, mouldy, rodent-soiled, compressed flat, or
when an insulation contractor needs bare joists to air-seal properly before new material goes in. We
will tell you which of those we are looking at.
Junk & Demo Team works all five boroughs and Nassau County. Call (718) 587-0156 or see
our guides and pricing for how jobs are measured. Doing
floors as well? Read tile removal cost.
Frequently Asked Questions
How much does it cost to remove insulation from a 1,000 square foot attic?
Most 1,000 sf attics land between roughly $1,600 and $3,200 depending on the material, the depth and the access. Wet material, spray foam or a scuttle-hatch-only attic push toward and above the top of that range.
Is attic insulation removal worth it, or should I just add more?
Add more if the existing material is dry, clean and undisturbed. Remove it if it is wet, mouldy, rodent-soiled, flattened, or if your insulation contractor needs bare joists to air-seal — sealing over bad material locks the problem in.
Can I do it myself?
It is legal but unpleasant and slower than people expect: respirator, full cover, dozens of bags, and a transfer station that will weigh and charge you. The two situations where DIY is the wrong call are suspected asbestos-containing material and rodent contamination.
How long does the job take?
A single-day job for most homes with a two or three-person crew. Deep loose-fill, spray foam, kneewalls in a finished half-story, or a difficult carry-out can make it two.
Do you also clear out what's stored in the attic?
Yes, and it is cheaper combined. The contents come out first, priced by volume, then the insulation is bagged off bare joists — one crew, one truck, one visit.