SCIP vs SIP Panels: Concrete vs Foam-and-OSB in Humid Florida

The acronyms look almost identical, but SCIP and SIP are very different building systems — and in humid, hurricane-prone South Florida, the difference is a big deal. Here is what separates concrete SCIP panels from foam-and-OSB SIP panels, and why it matters for your home.

One letter, two very different panels

SCIP — Structural Concrete Insulated Panel: an EPS foam core wrapped in steel mesh and sprayed with structural concrete (shotcrete) on both sides. The outer skin is concrete.
SIP — Structural Insulated Panel: a foam core sandwiched between two sheets of oriented strand board (OSB). The outer skin is wood-based board, not concrete.

Both are insulated panels. Only one wraps your home in a monolithic concrete shell. For a full SCIP primer, see what is a SCIP panel.

Why the difference matters in Florida

Moisture & humidity: SIP panels use OSB, a wood product that can swell, delaminate, or grow mold if water gets into the panel — a real concern in Florida’s humidity and flood zones. Concrete-skinned SCIP panels do not have that vulnerability.
Termites: Florida is termite country. Wood-based OSB skins need protection; concrete does not feed termites.
Fire: a concrete skin will not burn; OSB will.
Wind & debris: both systems are engineered for high winds, but a concrete shell better resists flying-debris impact common in hurricanes.

Where SIPs still shine

To be fair, SIPs are excellent in cold, dry climates — they are fast, very well insulated, and widely used across the northern U.S. The issue is not that SIPs are bad; it is that foam-and-OSB is a poorer match for hot, humid, flood- and termite-prone South Florida than a concrete system.

What about cost and speed?

SIP material pricing is often quoted in the range of roughly $8–$18 per square foot for the panels themselves, while SCIP costs depend heavily on shotcrete labor and design. But up-front panel price is the wrong thing to optimize for a coastal Florida home — durability, insurance, and storm survival matter far more. Get a real number with our cost calculator.

What is the difference between SIP and SCIP?

SIP (Structural Insulated Panel) uses a foam core between two OSB wood boards. SCIP (Structural Concrete Insulated Panel) uses a foam core wrapped in steel mesh and coated with sprayed concrete. SCIP gives you a concrete shell; SIP gives you a wood-skinned panel.

Are SIP panels good for Florida’s humidity?

SIPs perform best in cold, dry climates. In humid, flood- and termite-prone South Florida, the OSB skins of SIP panels are more vulnerable to moisture and pests than the concrete skin of a SCIP panel.