Foam Plastic Insulating Sheathing (FPIS) Products are offered in three types:
- Expanded Polystyrene (EPS) - ASTM C578
- Extruded Polystyrene (XPS) - ASTM C578
- Polyisocyanurate (Polyiso) - ASTM C1289
FPIS products come in many thicknesses to accommodate almost any end use and can be used along with approved tapes as part of a WRB system. Learn proper installation techniques and download an installation checklist using the links below.