How much does spray foam insulation cost in Boca Raton?

Most Boca Raton homes run $3,500–$9,500 depending on square footage and scope. We give an itemized instant quote by ZIP code, and most homeowners recover the cost in 3–5 years on cooling savings.

Which areas does Cardinal Insulation serve?

We serve Boca Raton, Delray Beach, and Boynton Beach, FL — the entire tri-city corridor from the Boca inlet to Boynton's western estates.

How is Cardinal different from other insulation companies?

We run a 10-point inspection the industry skips, use local crews, quote same day, and back every seal with a lifetime workmanship warranty with FLIR proof reports.

Will spray foam lower my FPL bill?

Yes. Our sealed homes average a 37% cooling-cost reduction. Closed-cell foam plus a radiant barrier reflects up to 97% of radiant heat gain.

How fast can you inspect my home?

Same-week — usually within 3–5 days, often faster. Use the Schedule Inspection button to grab a real-time slot.

Do you work on new construction and existing homes?

Both. We engineer thermal packages for new builds and retrofit existing homes across Boca, Delray, and Boynton.

Is spray foam safe for Florida humidity and coastal homes?

Yes. Closed-cell foam acts as a moisture barrier and structural reinforcement, ideal for salt-air coastal environments.

Fort Lauderdale, FL · Broward County · Zone 2A

Soundproofing Insulation in Fort Lauderdale, Florida

Soundproofing insulation uses dense materials — mineral wool, dense-pack cellulose, and closed-cell foam — to absorb sound waves and block noise transmission between rooms, floors, and the outside. Cardinal engineers soundproofing packages for media rooms, interior walls, condo demising walls, and homes near Boca Raton Airport, I-95, and the FEC railway — with before-and-after decibel readings to prove the reduction.

(561) 654-7698

Get Your Free Quote

Itemized pricing by zone, back to you within the hour. No call required.

No obligation Open 24/7

Prefer to talk? (561) 654-7698

Owens Corning Certified Installer

ProPink fiberglass, installed to manufacturer spec

FLIR-Certified Thermographers

Before-and-after infrared proof on every job

Licensed & Insured — Florida

Local crews, never subcontracted

Lifetime Workmanship Warranty

Transferable to the next owner

Soundproofing Insulation for Fort Lauderdale Properties

soundproofing insulation is the workhorse of Florida attic retrofits. For Fort Lauderdale properties, this is frequently the right specification — but we will tell you plainly when it is not, and when a less expensive approach delivers the same outcome.

Fort Lauderdale sits in South Florida, where the recommended attic target is R-38 to R-49. That number, along with where your ductwork runs and what condition the existing assembly is in, is what determines the right specification for your property.

Soundproofing Insulation at a glance

R-value: STC 39–55+ (sound transmission class)
Installed cost: $1.50 – $5.00 per sq ft installed
Service life: 30–80 years (material dependent)
Available in: Fort Lauderdale and throughout the surrounding area

Call (561) 654-7698

Types and Methods

Dense-pack cellulose soundproofing

Cellulose blown into existing wall or floor cavities at 3.5 lb/ft³. Its density absorbs sound waves more effectively than fiberglass, and it can be installed through small drilled holes without demolition — the standard retrofit for existing walls.

Mineral wool soundproofing

Dense mineral wool batts in interior walls, floors, and demising walls. The density and fibrous structure absorb sound across a wide frequency range, delivering STC ratings from 39 to 55+ depending on the assembly.

Closed-cell foam + decoupled assembly

For maximum noise reduction, we combine closed-cell foam (for air sealing and gap elimination) with a decoupled assembly — a second layer of drywall with Green Glue damping compound. This delivers the highest STC ratings available.

Soundproofing requires both dense material (to absorb sound waves) and gap sealing (to eliminate airborne noise paths). Either alone underperforms. We combine both and document the result with before-and-after decibel readings.

Benefits for Fort Lauderdale Property Owners

Dense materials absorb sound waves — mineral wool and dense-pack cellulose excel.
Seals gaps and penetrations that carry airborne noise through walls.
Reduces noise from I-95, the FEC railway, and Boca Raton Airport flight paths.
Ideal for media rooms, home offices, condos, and demising walls.
Before-and-after decibel readings document the noise reduction.

Best Applications

Media rooms and home theaters
Condos and multi-family demising walls
Homes near I-95, the FEC railway, or Boca Raton Airport
Home offices and bedrooms needing quiet
Interior walls and floors between levels

How We Install It in Fort Lauderdale

1Measure the assembly and determine the target STC rating
2FLIR-scan for gaps and penetrations that carry airborne noise
3For existing walls: drill access holes and dense-pack cellulose
4For open walls: install mineral wool batts tight to the framing
5Seal all gaps and penetrations with acoustic sealant
6For maximum STC: add a second drywall layer with Green Glue damping
7Measure before-and-after decibel readings to document the reduction

Cost and R-Value Reference

Cost Reference

Florida insulation cost & R-value reference.

Typical installed costs across South Florida by material. Pricing varies with access, square footage, and site conditions — every Cardinal quote itemizes material, R-value, installed inches, and square footage.

Material	Installed cost	R-value / inch	Service life
Blown-in fiberglass	$1.10 – $2.00 / sq ft	R-2.2 – R-2.7 / in	20–30 years
Blown-in cellulose	$1.20 – $2.40 / sq ft	R-3.2 – R-3.8 / in	20–30 years
Fiberglass batts	$0.90 – $2.10 / sq ft	R-3.1 – R-3.4 / in	25+ years
Mineral wool	$1.60 – $3.40 / sq ft	R-3.0 – R-4.3 / in	50+ years
Open-cell spray foam	$1.50 – $3.20 / sq ft	R-3.6 – R-3.8 / in	80+ years
Closed-cell spray foam	$2.40 – $4.90 / sq ft	R-6.0 – R-7.0 / in	80+ years
Rigid foam board	$1.40 – $3.80 / sq ft	R-3.8 – R-6.5 / in	50+ years
Radiant barrier	$0.55 – $1.90 / sq ft	Reflective (no R)	25+ years
Duct sealing + R-8 wrap	$800 – $3,500 / system	R-8 (duct)	15–25 years
Insulation removal	$1.10 – $2.90 / sq ft	—	One-time

Pricing reflects typical Florida installed costs and varies with access, square footage, and site conditions. Source: U.S. Department of Energy insulation guidance, Florida Building Code R402, and IECC climate zone 1 requirements.

Pricing reflects typical Florida installed costs and varies with access, square footage and site conditions.

FAQs

Soundproofing Insulation FAQs — Fort Lauderdale

Soundproofing insulation runs $1.50–$5.00 per square foot installed depending on material (mineral wool, dense-pack cellulose, or closed-cell foam), assembly (interior wall, floor, or demising wall), and target STC rating. Get an instant itemized quote by ZIP code.

Mineral wool and dense-pack cellulose deliver the best sound absorption per dollar due to their density. Closed-cell foam adds air sealing, which eliminates the gaps that carry airborne noise. For maximum noise reduction, we combine dense material with gap sealing and decoupled assembly.

Yes — dense-pack cellulose can be blown into existing wall cavities through small drilled holes, then patched. It fills the cavity completely and adds significant sound dampening without demolition. For higher STC ratings, we may recommend adding a second layer of drywall with Green Glue damping compound.