Blown-In Insulation vs Radiant Barriers
Side-by-side specs, cost, and best-use cases for South Florida homes — so you can choose the right insulation without the sales pressure.
Get Your Free Quote
Itemized pricing by zone, back to you within the hour. No call required.
Blown-In Insulation vs Radiant Barriers, compared.
| Spec | Blown-In Insulation | Radiant Barriers |
|---|---|---|
| R-value | R-2.2 to R-3.8 / inch | 97% radiant heat reflectance |
| Air sealing | Limited — filters air, doesn't block it | Limited — filters air, doesn't block it |
| Moisture resistance | Varies by material | N/A — reflects heat, not moisture |
| Best for | Lowest installed cost per R-value of any insulation. | Reflects up to 97% of radiant heat — the dominant heat source in FL attics. |
| Cost range | $1,500–$4,000 | $1,200–$3,500 |
Choose Blown-In Insulation if…
- Lowest installed cost per R-value of any insulation.
- Fills gaps and voids that batt insulation misses.
- Fast installation — most attics done in a single day.
- Available in fiberglass or cellulose to match the application.
Choose Radiant Barriers if…
- Reflects up to 97% of radiant heat — the dominant heat source in FL attics.
- Can lower attic temps by 20–35°F on peak summer days.
- Lowest cost-per-saved-BTU insulation upgrade available.
- Pairs with spray foam for a layered Crimson Shield defense.
Blown-In Insulation vs Radiant Barriers in every city.
We put the risk on us, not you.
The barrier between you and comfort shouldn't be money or trust. We remove both — with financing, a lifetime warranty, and proof you can see.
Lifetime Workmanship Warranty
Every seal we install is guaranteed for the life of the home. If it ever fails, we fix it free — no fine print.
Flexible Financing
Spread the cost over 12–60 months with low-interest options. Most homeowners pay less per month than they save on cooling.
Same-Week Inspection
Quote today, FLIR inspection this week. We don't make you wait to start saving.
Documented Savings
Before-and-after infrared proof. You see the sealed shield in thermal imaging before you ever pay the balance.
Ready to remove the barrier?
60-second quote. No call required. No obligation.
The questions Boca, Delray & Boynton actually ask.
It depends on your goal. Blown-In Insulation lowest installed cost per r-value of any insulation.. Radiant Barriers reflects up to 97% of radiant heat — the dominant heat source in fl attics.. Many South Florida homes benefit from both — we spec the right mix after a free FLIR inspection. Call (561) 654-7698.
Pricing depends on scope and square footage, but generally Radiant Barriers costs more upfront and delivers higher performance. We give an instant itemized quote by ZIP code so you can compare real numbers for your home.
Yes — and we often do. Layering complementary systems (for example, spray foam plus a radiant barrier) outperforms either alone in South Florida's heat. We'll recommend the right combination after inspecting your home.
Serving the Boca–Delray–Boynton corridor.
From the Boca inlet to Boynton's western estates — every hot zone below is a home we sealed this year. This is our local service area.
