Lowe's Home Improvement
FREE PARCEL SHIPPING on Qualifying Orders
Dow Styrofoam R 5 Faced Polystyrene Foam Board Insulation with Sound Barrier (Common: 4-ft x 8-ft; Actual: 4-ft x 8 Feet)

Dow Styrofoam R 5 Faced Polystyrene Foam Board Insulation with Sound Barrier (Common: 4-ft x 8-ft; Actual: 4-ft x 8 Feet)

Item #: 14538 |  Model #: 11079421

Not Yet Rated

Styrofoam R 5 Faced Polystyrene Foam Board Insulation with Sound Barrier (Common: 4-ft x 8-ft; Actual: 4-ft x 8 Feet)

  • Help manage energy loss and moisture
  • Styrofoam insulation products offer high moisture resistance
  • Lightweight and easy to handle
Series Name Styrofoam
Insulation Type Polystyrene
R-Value per Inch 5
Maximum R-Value 5
Actual Width (Feet) 4
Actual Length (Feet) 8
Actual Thickness (Inches) 2
Common Width (Feet) 4
Common Length (Feet) 8
Common Thickness (Inches) 2
Coverage Area (Sq. Feet) 32
Package Weight (lbs.) 5.6
Package Quantity 1
Faced/Unfaced Faced
Sound Barrier Yes
For Use in Attics Yes
For Use in Basements Yes
For Use in Ceilings No
For Use in Crawlspaces Yes
For Use in Doors No
For Use in Duct No
For Use in Electrical No
For Use in Floors Yes
For Use in Garage Doors No
For Use in Masonry Yes
For Use in Plumbing No
For Use in Vents No
For Use in Walls Yes
For Use in Windows No
Fits 2 x 4 Walls Yes
Fits 2 x 6 Walls Yes
ENERGY STAR Certified Yes
Vapor Retardant Yes
Formaldehyde Free Yes
Warranty None
Community Q&A
  • Save Item
    Save Item Help
    Save an item to your
    • Lists to collect ideas and plan future projects.
    • Home Profile to organize and store details about your home.
  • Set a Reminder Save Item Help

    Set a Reminder and we'll send you an email when it's time to stock up on items you buy regularly or seasonally, like air filters, fertilizer or mulch. Use notes to record details (quantity, gift recipient, etc.).

  • Go to Your Account