XPS foam is used in a wide variety of residential and commercial applications. The insulation is easy to install and maintain. There are several types of XPS insulation board, insulating sheathing and fanfold siding underlayments that can be installed directly over existing siding. These products offer the following features and benefits:

  • Rigid—offers a flat, level surface for new siding
  • High R-value (thermal resistance)—saves energy and dollars
  • Air resistance—prevents draftiness in rooms, maintains better temperature control and saves dollars on heating bills
  • Moisture resistance—will not absorb water, preventing costly damage and mildew due to wet weather
  • Lightweight, easy to handle
  • Durable—less breakage at the job site saves time and money
  • Energy Star® qualified and manufactured by dependable, reputable companies



About XPSA

The Extruded Polystyrene Foam Association (XPSA) is a trade association representing manufacturers of Extruded Polystyrene Foam (XPS) insulation products and the industry's raw material suppliers. XPSA members collectively manufacture more than 95% of all XPS destined for use in the North American market. XPSA promotes the benefits that accrue to society from appropriate use of XPS foam insulation applications.

© Copyright 2016 The Extruded Polystyrene Foam Association

XPSA Headquarters

750 National Press Building
529 14th Street, NW
Washington, DC 20045

Phone Number: