Priority Areas in Hurricane-Zone Homes
The roof deck is the single most important insulation surface in Cape Coral. Spray foam applied to the underside of the roof deck creates a conditioned attic, keeping ducts in the thermal envelope and dramatically reducing the AC load. This also adds structural rigidity to the roof — a real benefit when storm season arrives.
Signs Your Insulation Needs Upgrading
- AC running nearly continuously even on mild days
- High humidity indoors (above 55% RH in summer)
- Temperature variance of more than 3°F between rooms
- Attic inspection shows original fiberglass batts (usually below R-19)
- Energy bills 20%+ above neighbors with similar square footage
DIY vs. Professional
Blowing in loose-fill cellulose in a clear attic is DIY-friendly if you rent a blower and follow depth markers. Spray foam is a professional job — the chemistry requires training and PPE, and a bad install can mean ripping out the product.
Cost in Cape Coral
Blown cellulose attic upgrade: $2,000–$7,500 installed (1,500–2,500 sq ft typical). Spray foam at the roof deck runs 2–3× more but is the right solution for homes with ducts in the attic. Check FPL or Duke rebates — Florida utilities often cover $0.10–$0.20 per sq ft of attic insulation upgrade.