2″ EPS Foam Board 25PSI 4’x8’ pack of 13 (416 sq ft)

EPS foam board is R value staple and is a great product to be used below grade as well as on walls. It comes in various thicknesses and densities from 10psi to 60psi. We also can cut custom sizes from 48″x48″x16′ and down.

https://foamstrong.com/products-and-tools/foam-board-insulation/