DuPont Styrofoam SM Type 4 Ship Lap

Styrofoam SM Type 4 Butt Edge

• Multi-purpose Styrofoam brand sm insulation extruded polystyrene is especially suited for foundations, slabs, crawl spaces, interior basements, geotechnical and other in-ground insulation applications
• The Type 4 extruded polystyrene foam insulation helps protect foundation damp-proofing and waterproofing, especially during backfilling and provides a secondary barrier against groundwater leakage
• Styrofoam brand sm insulation also provides energy- efficient performance in many other types of commercial and residential applications, including attics and ceilings
• Multi-purpose Styrofoam brand sm insulation is especially suited for foundations, slabs, geotechnical and other in-ground insulation applications
• The type 4 foam helps protect foundation damp-proofing and waterproofing, especially during backfilling and provides a secondary barrier against groundwater leakage

Specifications (all sizes)

• Brand: DuPont
• Width: 24 inches
• Length: 96 inches
• Sound Barrier: No

Available options

• Thickness: 2.5 inches, 3 inches, 4 inches
• R-Value: 12, 15, 20
• Weight: 7 lbs, 12 lbs, 15 lbs