XPS is widely used for:
- Below-Grade Applications: Insulation for foundation walls, frost walls, and under slabs.
- Inverted Roofs/Protected Membrane Roofs (PMR): Placed on top of the roofing membrane.
- Exterior Insulation and Finish Systems (EIFS) as a drainage plane.
- Cavity Wall Insulation.
- Perimeter Insulation for slab-on-grade floors.
- Insulation for cold storage facilities, refrigerated trucks, and commercial freezers.

