Lowe's Home Improvement
Pactiv R3 Unfaced Polystyrene Foam Board Insulation (Common: 0.56-in x 4-ft x 8-ft; Actual: 0.56-in x 4-ft x 8-ft)

Pactiv R3 Unfaced Polystyrene Foam Board Insulation (Common: 0.56-in x 4-ft x 8-ft; Actual: 0.56-in x 4-ft x 8-ft)

Item #: 304091 |  Model #: 304091.0

4.8 / 5 5 Reviews

R3 Unfaced Polystyrene Foam Board Insulation (Common: 0.56-in x 4-ft x 8-ft; Actual: 0.56-in x 4-ft x 8-ft)

  • Does not absorb moisture
  • Lightweight, durable, easy to use
  • Meets and exceeds all type IV and type X specifications
  • Retains insulating properties over time
  • Maintains integrity
Series Name N/A
Insulation Type Polystyrene
Actual Width (Feet) 4
Actual Length (Feet) 8
Actual Thickness (Inches) 0.56
Common Width (Feet) 4
Common Length (Feet) 8
Common Thickness (Inches) 0.56
Coverage Area (Sq. Feet) 32
Package Weight (lbs.) 3.6
Package Quantity 1
ENERGY STAR Certified Yes
Vapor Retardant No
Formaldehyde Free Yes
Warranty None
Maximum R-Value 3
R-Value per Inch 3
For Use in Attics No
For Use in Basements No
For Use in Ceilings No
For Use in Doors No
For Use in Duct No
For Use in Electrical No
For Use in Garage Doors No
For Use in Plumbing No
For Use in Vents No
For Use in Windows No
Sound Barrier No
Faced/Unfaced Unfaced
Fits 2 x 4 Walls Yes
Fits 2 x 6 Walls Yes
For Use in Crawlspaces Yes
For Use in Floors Yes
For Use in Masonry Yes
For Use in Walls Yes
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