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R-3.7 (open-cell) to R-7.0 (closed-cell) per inch
Spray Foam Insulation
Open-cell and closed-cell polyurethane foam that air-seals and insulates in one application.
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13 Cities & Communities
Insulation Contractor in St. Johns County, FL
Spray foam, blown-in, batt, Fi-Foil, radiant barrier, and insulation removal for every city in St. Johns County — residential, commercial, and industrial.
St. Johns County sits in North Florida, and falls in Climate Zone 2 under the Florida Building Code, Energy Conservation (8th Edition) — meaning R-38 minimum in attics, with R-49 as the practical target for comfort and utility savings. Being a coastal county, salt air, wind-driven rain, and elevated humidity all factor into material and jacketing selection here. Standard Insulation serves every city and community in St. Johns County with the full range of residential, commercial, and industrial insulation services.
Every city below has its own dedicated page covering local building stock, the insulation approach that works there, service pricing ranges, and answers to the questions St. Johns County property owners actually ask.
Cities We Serve
St. Johns County Insulation by City
Services
All Insulation Services in St. Johns County
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R-2.2 to R-3.8 per inch depending on material and settled density
Blown-In Insulation
Loose-fill fiberglass or cellulose blown to a consistent depth across attic floors.
Learn about Blown-In Insulation🧱
R-11 to R-38 depending on thickness
Batt Insulation
Pre-cut fiberglass or mineral wool batts fitted between studs, joists, and trusses.
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System R-values from R-4.1 to R-11 depending on assembly and air space
Fi-Foil Insulation
Reflective foil radiant barrier and vapor-retarder systems engineered for the Southeast.
Learn about Fi-Foil Insulation☀️
Reduces attic heat gain by up to 40% (radiant barriers are rated by emissivity, not R-value)
Radiant Barrier Insulation
Foil-faced sheathing or stapled-up barrier installed against the underside of the roof deck.
Learn about Radiant Barrier Insulation🧹
N/A — removal service
Insulation Removal
Complete vacuum extraction of contaminated, wet, rodent-damaged, or storm-damaged insulation.
Learn about Insulation Removal🏠
R-30 to R-49 recommended for Florida attics
Attic Insulation
Full attic systems: air sealing, baffles, deck or floor insulation, and depth verification.
Learn about Attic Insulation🧊
R-4.1 to R-21 depending on wall type
Wall Insulation
Cavity and masonry wall insulation for frame, block, and tilt-wall construction.
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R-13 to R-19 typical
Crawl Space Insulation
Encapsulation, vapor barriers, and sub-floor or perimeter wall insulation.
Learn about Crawl Space Insulation🔇
R-15 to R-23 with STC ratings from 45 to 60+
Soundproofing Insulation
Acoustic mineral wool and dense fiberglass for STC-rated wall and ceiling assemblies.
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Specified per assembly
Thermal Insulation
Engineered thermal envelope systems for mechanical, process, and building applications.
Learn about Thermal Insulation🔥
Rated by hourly fire resistance, typically 1 to 4 hours
Fireproofing & Fire-Rated Insulation
Mineral wool, intumescent, and fire-rated assemblies meeting Florida Building Code.
Learn about Fireproofing & Fire-Rated Insulation🏭
R-10 to R-30 depending on system
Metal Building Insulation
Faced fiberglass blanket, banded liner systems, and closed-cell foam for pre-engineered steel.
Learn about Metal Building Insulation🏗️
Per approved energy calculation
New Construction Insulation
Full-scope insulation packages coordinated with your build schedule and energy calcs.
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N/A — diagnostic service
Energy Audits & Blower Door Testing
Diagnostic assessment of envelope leakage, duct leakage, and insulation performance.
Learn about Energy Audits & Blower Door TestingInsulation types in St. Johns County
Every insulation type we install in St. Johns County
Each one has its own St. Johns County page with local pricing, Florida code requirements and FAQs.
St. Johns County Insulation FAQs
What cities do you serve in St. Johns County?
All of them — St. Augustine, St. Augustine Beach, Ponte Vedra Beach, Nocatee, Hastings, World Golf Village, Fruit Cove, Julington Creek and more. Every city and community in St. Johns County has a dedicated insulation page on this site with local details.
How much does insulation cost in St. Johns County?
Most St. Johns County attic projects run $1.50–$4.50 per square foot installed. A 2,000 sq ft home is typically $2,200–$4,500 for a blown-in top-up to R-38, or $6,000–$13,000 for closed-cell spray foam roof deck encapsulation. Free written estimates throughout the county — (561) 975-6204.
What insulation R-value is required in St. Johns County?
St. Johns County is in Florida Climate Zone 2, requiring R-38 minimum in attics under the Florida Building Code, Energy Conservation (8th Edition). R-49 is the practical target for comfort and utility savings.
Do you serve commercial and industrial buildings in St. Johns County?
Yes — offices, retail, hospitality, medical, warehouses, distribution, manufacturing, cold storage, and agricultural buildings throughout St. Johns County. Envelope, mechanical, and fire-rated scopes all under one contractor.
Free Estimate Anywhere in St. Johns County
Open 24/7. Call (561) 975-6204 or request an estimate online.
Open 24/7 · 5827 Plunkett St, Hollywood, FL 33023 · bids@standard-insulation.com