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Canadian Owned & Operated Since 1964
Canadian Owned & Operated Since 1964

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

by DuPont
Original price $57.45 - Original price $57.45
Original price
$57.45
$57.45 - $57.45
Current price $57.45

*Online Pricing Only

Availability:
In stock
SKU SM283

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

DuPont Styrofoam Brand SM30 is Type 4 extruded polystyrene (XPS) foam insulation. It resists water pickup, which lets it keep its high R-value in foundations, floor slabs, attics and crawlspaces.

This size is 3 in. thick, 2 ft. x 8 ft., rated R-15.

Features and Common Uses
  • R-value of 15.0 at 3 in. thick
  • Compressive strength of 30 psi
  • Resists water pickup, so it holds its R-value
  • 8 sheets per bundle

Commonly used for:

  • Foundations
  • Floor slabs
  • Attics
  • Crawlspaces
Specifications
Product Specifications
Brand DuPont
Product Line Styrofoam Brand SM30
Type Type 4 XPS
Thickness 3 in.
Sheet Size 2 ft. x 8 ft.
R-Value R-15
Compressive Strength 30 psi
Sheets per Bundle 8
Frequently Asked Questions
What is the R-value of 3 in. Type 4 XPS insulation?

The 3 in. DuPont Styrofoam SM30 board is R-15.

How many sheets are in a bundle?

A bundle holds 8 sheets.

Where is Type 4 XPS foam used?

It is used in foundations, floor slabs, attics and crawlspaces, where its resistance to water pickup protects the R-value.