Expanded Polystyrene Expanded Polystyrene (EPS) is commonly used as a rigid plastic foam insulation. Expanded polystyrene offers a high, long-term R-value. Insulfoam is the largest manufacturer of expanded polystyrene (EPS) in the United States.

EPS - An Essential Role in Our Everyday Lives

From your foundation to your roof, surround yourself with Insulfoam insulation.

Insulfoam is the largest manufacturer of expanded polystyrene (EPS) in the United States with manufacturing locations throughout the country.  Commonly used as a rigid plastic foam insulation, expanded polystyrene offers a high, long-term R-value for the following products:

 

• R-Tech Fanfold, Exterior Siding Underlayment
• Profiles, Vinyl Siding Insulation
• T&G, (Tongue & Groove) Sheathing
• ICBO ESR 1788
• Stucco Manufacturers ICBO Reports
• R-Tech Roof Insulation
• Total Wall System
• ICBO ESR 1788
• Stucco Manufacturers ICBO Reports
• InsulLam and InsulVent Roof Insulation
• Architectural Elements
• GableGuard
• ICBO ESR 1788
• Stucco Manufacturers ICBO Reports
• DuraFloat, Encapsulated Positive Flotation
• DuraFloat Encapsulated Tub

We invite you to take a look at the new and innovative ways you can use EPS to make your life better everywhere you live, work or play.

Expanded Polystyrene Expanded Polystyrene (EPS) is commonly used as a rigid plastic foam insulation. Expanded polystyrene offers a high, long-term R-value. Insulfoam is the largest manufacturer of expanded polystyrene (EPS) in the United States.