Homeowners are paying closer attention to energy efficiency than ever before, and blown-in attic insulation remains one of the quickest wins. Yet “How much will it cost?” is still the first question every homeowner asks. At CountBricks, our AI-driven estimating engine delivers that answer in minutes instead of days, but you should still know the factors that drive the final number. This article unpacks blown insulation cost for single-family homes, gives regional price ranges, and shows how CountBricks keeps your bids sharp and profitable.
Blown-in insulation—sometimes called loose-fill—comes in fiberglass, cellulose, or mineral wool. The material is shredded into lightweight particles and blown through a hose to blanket attic floors or wall cavities. Because it settles around joists and wiring, it delivers excellent coverage without demolition.
• Material price per square foot (fiberglass and cellulose dominate residential projects)
• Target R-value and corresponding thickness
• Labor hours for setup, blowing, and cleanup
• Equipment rental or ownership cost for the blower
• Air-sealing tasks often completed before the first bag is poured
• Disposal fees for old insulation when retrofitting
Our national residential database updates in real time, but typical 2025 figures are:
• Fiberglass blown-in: $1.20 – $1.65 per square foot at R-38
• Cellulose blown-in: $1.40 – $1.90 per square foot at R-38
• Add 10 – 15 % for two-story homes due to setup and hose runs
• Add 20 %-plus when existing insulation must be removed and bagged
Because CountBricks pulls current supplier pricing for every ZIP code, you can quote with confidence instead of padding numbers “just in case.”
Homes with pull-down stairs and full flooring make for fast installs. Crawl entries, narrow trusses, or vaulted ceilings add time and labor dollars.
Sealing top-plate gaps and installing baffles are low-visibility tasks that pay energy dividends. CountBricks lets you toggle these options on or off so clients see the benefit line-by-line.
Colder climates usually require R-49 or higher. Higher R-values mean additional inches, which means more bags. Our blueprint takeoff tool auto-calculates how many bags each R-value requires.
Fiberglass often costs less per bag but may require slightly more depth than cellulose to reach the same R-value. CountBricks automatically compares bag counts and shows the most economical path.
Steeper roofs limit movement and reduce coverage rate per installer. Factor in harness systems or staging time; the CountBricks voice assistant can add those tasks on the fly while you walk the attic.
Retrofits in homes built before 1990 may require testing for vermiculite or asbestos. When removal is needed, CountBricks inserts disposal bags, negative-air machines, and hazmat labor hours into the estimate instantly.
Real-Time Voice Capture
Speak measurements and notes into your mobile device while on-site. CountBricks converts speech to structured data and calculates blown insulation cost before you leave the driveway.
Live Supplier Pricing
Our API links to regional distributors so every fiberglass or cellulose bag reflects today’s price, not last quarter’s catalog.
Automated Blueprint Takeoffs
Upload PDF plans, outline attic areas, and watch CountBricks auto-populate square footage and bag counts—perfect for additions or new builds.
Instant Proposal Generation
Push one button and receive a branded PDF that lists materials, labor, taxes, and optional upgrades such as air sealing or radiant barriers.
1. Capture attic dimensions by voice or import from blueprints.
2. Select material type and target R-value.
3. Toggle pre-insulation tasks such as baffles or air sealing.
4. Review real-time pricing pulled from local suppliers.
5. Generate a detailed proposal and email it from your phone.
6. Convert the proposal to an invoice once the client approves.
To illustrate, a 2,000 sq ft attic in Dallas targeting R-38 with fiberglass might price out at:
• Material: $2,800 (52 bags)
• Labor: $1,150 (crew of two, 7 hours)
• Equipment: $120
• Miscellaneous air sealing: $250
Total blown insulation cost: $4,320
Using CountBricks.com/services, contractors trimmed estimating time from 90 minutes to under 10, closing the sale on the first visit.
• Factor in attic light installation—clients love it and you avoid mistakes in the dark.
• Use bag counts as a production check; reconcile at day’s end to curb shrinkage.
• Build a “weather buffer” into schedules for extreme heat or storms.
• Offer a thermal imaging scan upsell. CountBricks can bundle the extra line item automatically.
Whether you retrofit century-old bungalows or insulate brand-new homes, CountBricks delivers the speed, accuracy, and professionalism that today’s homeowners expect. Visit CountBricks.com/consultation to book a live demo and see your next blown insulation cost calculated in real time.
A Fort Worth homeowner called on Thursday evening, desperate to cut utility bills before hosting relatives on Sunday. The attic measured 1,400 sq ft, the current blanket was compressed, and temperatures were hitting 102 °F. Traditionally, quoting overnight would have been impossible.
• Friday 8 a.m. – Contractor opened CountBricks on a tablet, spoke measurements while walking the attic, and toggled an air-sealing option.
• 8:12 a.m. – The platform returned a full breakdown: 37 bags fiberglass, R-38 target, total blown insulation cost $3,180.
• 8:20 a.m. – Client received a branded PDF with electronic approval buttons.
• 9:05 a.m. – Supplier pricing refreshed; materials reserved automatically.
• Saturday 7 a.m. – Crew arrived, completed install by 3 p.m., and the CountBricks mobile app converted the estimate to an invoice on-site.
• 12-minute estimate turnaround impressed the homeowner and eliminated competitor shopping.
• Real-time material pricing protected margins when the distributor announced a fuel surcharge Friday afternoon.
• The contractor added a $150 thermal imaging upsell suggested by CountBricks, revealing an uninsulated chase.
Residential clients rarely plan attic upgrades months in advance; they decide the moment they see a power bill spike. CountBricks empowers contractors to capture that impulse with instant, accurate numbers—no spreadsheets, no callbacks, no lost weekends. Visit CountBricks.com/portfolio to explore more insulation success stories and see how our AI is redefining speed and precision in residential construction.
