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Proudly Canadian Owned & Operated since 1964
Proudly Canadian Owned & Operated since 1964
Rigid Insulation XPS SM Type 4 2'x8'

4-inch Type 4 XPS Rigid Insulation 2-ft x 8-ft

SKU SM284
by DuPont
$70.29 - $70.29
$70.29
$70.29 - $70.29
$70.29

*Online Pricing Only

Dupont Styrofoam Type 4 XPS Rigid Insulation 4-inch x 2-ft x 8-ft.

  • R-Value of 20.
  • Compressive strength of 30psi.
  • 8 sheets per bundle. 

DuPont™ Styrofoam™ Brand SM30 Extruded Polystyrene Foam Insulation is ideal for use in foundations, floor slabs, attics and crawlspaces, where it resists water pickup – a characteristic that allows it to maintain its high R-value.