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Quirozave Inc. · North Texas

Insulation questions, answered.

Straight answers about spray foam, pricing, metal buildings and payment. Don't see your question? Call the crew.

FAQ

Spray foam basics

What's the difference between open-cell and closed-cell spray foam?

Open-cell foam is soft and expands to fill gaps — a great air seal for walls, attics and rooflines (more on open-cell). Closed-cell foam is dense and rigid, with a higher R-value per inch and a built-in moisture barrier (more on closed-cell). We'll recommend the right one for your project during your free estimate.

Is spray foam safe for my home?

Once it is installed and fully cured, spray foam is a stable, inert material. During installation our crew follows the foam manufacturer's safety guidance, including protective equipment and ventilation. If you have specific health concerns, ask us and we'll share the manufacturer's product information.

Is there a smell, and when can we go back inside?

There can be an odor while the foam is being sprayed and as it cures. Re-entry time depends on the product used and is set by the foam manufacturer's guidance, so we'll tell you what applies to your job before we start and plan the work around it.

Cost

How much does insulation cost per square foot?

Typical prices per sq ft: open-cell spray foam $1.25 (2x4 walls) or $1.45 (2x6, attics and rooflines); closed-cell spray foam $1.35 (1 in), $2.40 (2 in) or $3.50 (3 in); blown-in fiberglass $1.20 (R-30), $1.40 (R-38) or $2.00 (R-60); fiberglass batts $0.85 (R-13), $1.10 (R-19) or $1.65 (R-30); fireproof coating $1.35; insulation removal $1.00 on its own or $0.65 when bundled with new insulation. Your final price is confirmed in your estimate.

Is there a minimum job size?

Yes. Our minimum job is 1,000 sq ft or $1,500.

Do you charge for estimates?

No. Free estimates around your area. You can also get a quick number from our instant estimate calculator or by calling 469-338-9847.

Is there a federal tax credit for insulation?

The federal 25C credit no longer applies to insulation installed after 2025.

Process & timing

What happens after I call?

We set up your free estimate, look at the space, and give you a price and a recommendation for the right insulation. Once you approve it, we schedule the job, do the work, and clean up when we're done.

How long does a job take?

It depends on the size of the space and the type of insulation. We give you a timeline with your estimate.

Can you remove my old insulation?

Yes. We remove old, damaged or contaminated insulation for $1.00 per sq ft on its own, or $0.65 per sq ft when bundled with new insulation.

Metal buildings & commercial

How do you insulate a metal building?

We spray closed-cell foam first to act as a vapor barrier against the metal, then add open-cell foam on top for a higher overall R-value.

Do you work with builders and commercial projects?

Yes. We insulate homes, shops and metal buildings, and we work with builders. Send us your plans or call 469-338-9847 to get a quote.

Payment & financing

How do I pay?

We send a QuickBooks invoice link. You can pay by card (2.9% card fee) or by ACH bank transfer with no fee. Checks are also accepted with no fee — mail them to P.O. Box 191712, Dallas, TX 75219. See Pay Invoice.

Do you offer financing?

Yes. Choose "Pay over time" on your invoice to finance with Affirm, or apply with Acorn Finance from our payment page.

Service area

What areas do you serve?

We serve North Texas, including Dallas, Fort Worth, Frisco, Plano, Rockwall, Royse City, Denton, Prosper, Addison, Arlington, Waco. Free estimates around your area.

Seal it once. Save for years.

Ready to price your project?

Use our instant estimate calculator or call the crew. Free estimates around your area.

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Quirozave Inc.

8290 S Central Expy
Dallas, TX 75241
469-338-9847

Hours

Mon–Thu6 AM–7 PM
Fri6 AM–5 PM
Sat7 AM–5 PM
SunClosed

Services

Open-cell spray foam
Closed-cell spray foam
Fiberglass batts
Blown-in insulation
Fireproof coating
Insulation removal

Explore

Home
Instant estimate
For builders
Reviews
Pay Invoice
FAQ

Areas We Serve

Dallas · Frisco · Plano · Rockwall · Royse City · Denton · Prosper · Fort Worth · Waco · Arlington · Addison

Join Our List

Get seasonal tips and offers from Quirozave. No spam, unsubscribe anytime.

Únete a nuestra lista: consejos de temporada y ofertas.