Expanded Polystyrene (EPS) insulation is a lightweight, resilient, closed-cell rigid insulation with a 50-year proven performance record. FMI-EPS manufactures a full line of EPS insulation products for architects, contractors, and building owners who need energy efficiency, cost control, and versatility.
Our EPS insulation is engineered for a wide range of applications — from roofing and foundation insulation to siding, cold storage, manufactured housing, and even door cores.
Advantages of EPS Insulation
- Proven durability with a 50+ year history of performance.
- Manufactured on state-of-the-art equipment for consistent R-values that meet or exceed code.
- Available in multiple densities, thicknesses, and sizes.
- Unlimited fabrication possibilities for custom projects.
- Dimensionally stable — no bowing, cupping, shrinkage, or strength loss.
- Tested by independent third-party laboratories for both mechanical and thermal properties.
- No thermal drift — EPS R-values remain stable for the life of the product.
- Backed by a 20-year Thermal Performance Warranty.
- Contains no dyes, formaldehyde, or ozone-depleting CFCs, HCFCs, or HFCs.
- The only rigid insulation made with recycled content, qualifying for LEED points.
- Optional inert additive available to deter termites and carpenter ants.
- Does not sustain mold or mildew growth.
- 100% recyclable.
Applications
- Roof insulation
- Exterior and interior wall insulation
- Foundation insulation
- Siding insulation
- Under-slab and radiant-heated floor insulation
- Cold storage facilities
- Manufactured housing
- Door core insulation
EPS is the first choice for energy efficiency, cost-effectiveness, and consistent performance.