Expanded Polystyrene Foam Board Insulation Uses

This product typically has an r value of 3 6 to 4 0 per inch of thickness.
Expanded polystyrene foam board insulation uses. Ultimate guide on foam insulation material for several years expanded polystyrene eps has been utilized as a material of choice in several food packaging applications cost effective and energy efficient insulation in construction applications as well as cushion transport packaging material for shock sensitive goods and many more. Expanded polystyrene foam eps is the cheapest and least used foam board product on the market. The word styrofoam is often used to describe expanded polystyrene eps foam. Expanded polystyrene insulation is similar to the foam used for packing peanuts and it s typically used for insulated concrete forms also knows as icf s.
However styrofoam is actually a trademarked term for closed cell extruded polystyrene foam made for thermal insulation and craft applications. It can be used anywhere insulation is needed. Eps foam is the correct term for any form of expanded polystyrene. Expanded polystyrene insulation is a lightweight rigid closed cell insulation.
This is the same stuff your disposable coffee cup and is made out of and it s used to protect fragile items in their packaging. It performs well as insulation for garages pole barns basements and crawl spaces. Eps is used under roofing over foundation walls and beneath siding. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.
Expanded polystyrene also referred to as eps white board and bead board has the lowest r value of the three rigid foam board insulation types but is the most economical and versatile.