Seminole County · Central Florida

Insulation Contractor in Longwood, FL

Spray foam, blown-in, batt, Fi-Foil, radiant barrier, and insulation removal for Longwood homes, businesses, and industrial buildings. Licensed, insured, and open 24/7.

  • Serving all of Longwood
  • Free written estimates
  • Open 24/7
  • Licensed & insured

If you own a home or a building in Longwood, your insulation is doing more work than almost anything else in the structure — and in most Longwood buildings we assess, it is not doing it well. Longwood sits in Central Florida, in Seminole County, where summer attic temperatures routinely climb past 130 degrees and the air outside is carrying enough moisture that every gap in your ceiling plane is pumping humidity into your living space.

Air sealing comes before insulation in Longwood

This is the part most Longwood homeowners have never had explained to them. Insulation resists heat conduction. It does absolutely nothing to stop air from moving through it. If we blow R-38 over a ceiling full of unsealed recessed light housings, plumbing penetrations, top plates, and an uninsulated attic hatch, you have paid for R-38 and you will experience something considerably less.

On every Longwood job we seal the ceiling plane first — penetrations foamed, can lights covered or replaced with airtight housings, the attic hatch weatherstripped and insulated, and bath fans verified to actually terminate outside rather than dumping humid air into the attic. Then we insulate. It adds a few hours and it changes the result substantially.

Rodents, and why insulation alone doesn't solve it

Rodent-contaminated attic insulation is common across Longwood and throughout Seminole County, particularly in older construction with soffit gaps and aging vent screens. Urine and droppings make the material a health issue on top of a performance issue, and no amount of new insulation on top of it fixes anything.

We remove and sanitize, and just as importantly we identify the entry points while we're up there — soffit gaps, roof-to-wall junctions, plumbing stacks, damaged vent screens — so you or your pest professional can close them. Removal without exclusion means you'll be doing this again in eighteen months.

Longwood block walls and the forgotten surface

A large share of Longwood construction is concrete block — CMU with interior furring strips and drywall, and empty air in between. Block has essentially no meaningful thermal resistance. A west-facing block wall in Longwood absorbs sun all afternoon and keeps radiating heat into the room well past sunset.

Fi-Foil furring-strip reflective systems and injected foam both install into that cavity from the interior, don't cost you floor space, and deliver a real system R-value where there was almost none. On the west and south elevations of a Longwood home, it's a difference you can feel with your hand on the drywall.

All Services in Longwood

Every Type of Insulation Available in Longwood, FL

Residential, commercial, and industrial — the complete envelope under one contractor.

Property Types

Who We Serve in Longwood

Insulation types in Longwood

Every insulation type we install in Longwood

Each one has its own Longwood page with local pricing, Florida code requirements and FAQs.

Longwood Insulation FAQs

How much does insulation cost in Longwood, FL?

Most Longwood attic insulation projects fall between $1.50 and $4.50 per square foot installed. A typical 2,000 sq ft Longwood home runs roughly $2,200–$4,500 for a blown-in top-up to R-38, and $6,000–$13,000 for a full closed-cell spray foam roof deck encapsulation. Insulation removal adds about $1.00–$2.00 per square foot. Standard Insulation gives free, written, itemized estimates throughout Longwood and Seminole County — call (561) 975-6204.

What R-value do I need in a Longwood attic?

Longwood falls in Florida Climate Zone 2 under the Florida Building Code, Energy Conservation (8th Edition). That means R-38 minimum for attics, with R-49 being the practical target for real comfort and utility savings. Many Longwood homes built before 2005 are still measuring R-11 to R-19, which is a large part of why their summer bills are so high.

Do you offer spray foam insulation in Longwood?

Yes. We install both open-cell and closed-cell spray foam throughout Longwood, Seminole County. Closed-cell on the roof deck is the strongest option here — it air seals, controls humidity, brings your ducts into conditioned space, and adds measurable uplift resistance to your roof sheathing, which matters in a hurricane-exposed part of Florida.

How fast can you get to Longwood?

We answer the phone 24 hours a day, 7 days a week. In Seminole County we can usually be on site for a free assessment within 24 to 48 hours, and emergency insulation removal after a roof leak or storm gets same-day priority whenever we can make it happen.

Do you handle commercial insulation in Longwood?

Yes — offices, retail, restaurants, hotels, medical, warehouses, distribution, manufacturing, and cold storage throughout Longwood and Seminole County. We carry envelope, mechanical, and fire-rated scopes, and we work nights and weekends in occupied buildings with containment and HEPA filtration.

Are you licensed and insured to work in Longwood?

Yes. Standard Insulation is a licensed Florida insulation contractor carrying general liability and workers' compensation coverage, and we work throughout Longwood and all of Seminole County. Certificates of insurance are provided to homeowners, general contractors, and property managers on request before any work begins.

Can insulation lower my electric bill in Longwood?

Cooling is roughly half of a typical Longwood electric bill. Bringing an under-insulated attic from R-11 up to a properly air-sealed R-38 commonly cuts the cooling portion by 20 to 30 percent — and more if your ductwork is in the attic and we add a radiant barrier. On a $300 summer bill that's usually $30 to $45 a month back in your pocket.

What is the best insulation for a Longwood home?

It depends on your building and your budget, and we'll tell you honestly which one applies. If your attic is at R-13 and you want the most improvement per dollar, blown-in fiberglass to R-38 with proper air sealing is the answer. If your ducts are in the attic and you want humidity control and the biggest total comfort win, closed-cell spray foam on the roof deck is the answer. If your roof is more than twelve years old, do the roof first — we'll say so.

Get Your Free Insulation Estimate

Answer 6 quick questions. We call back fast — we're open 24/7. No pressure, no obligation, no charge for the estimate.

1 · Where is the job?
We serve every city in all 67 Florida counties.
2 · What kind of property?
3 · Which insulation services do you need? *

Prefer to talk? Call (561) 975-6204 — we answer 24/7. Or email bids@standard-insulation.com.

Free Insulation Estimate in Longwood

No obligation, no charge. Call (561) 975-6204 — we're open 24/7.

Open 24/7 · 5827 Plunkett St, Hollywood, FL 33023 · bids@standard-insulation.com

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📞 Contact Us Now 💬 Free Estimate