Item Unavailable
Click image for a larger view. Hover to zoom in.

Owens Corning FOAMULAR 1/2" x 4' x 8' R-3 Rigid Foam Insulating Sheathing

Model Number: 271020  |  Menards® SKU: 1631240
Variation: Square Edge

Square Edge

Used as sheathing over all exterior walls in wood or metal framing construction FOAMULAR® Insulating Sheathing (IS) insulation creates an effective insulating envelope over the entire structure. FOAMULAR® IS insulation is ideal for either wood or metal framing construction and suits a variety of exterior finishes. Each of these strong, lightweight, rigid foam panels have a film face that provides the durability and damage resistance necessary to meet the rigorous demands of site-built construction. It is highly resistant to moisture and retains its long-term R-value year after year even after prolonged exposure to moisture and freeze/thaw cycling.

  • 4' x 8' sheet is 1/2" thick
  • Easy to saw, cut or score
  • R-3
  • Readily combines with blanket-type insulation for greater R-value
  • Used in fire-rated exterior wall assemblies for application in office buildings, schools, shopping centers and more
  • Tough film facers for added damage resistance
  • Exceptional moisture resistance, long-term durability
  • Will not corrode or rot
  • Lightweight, durable rigid foam panels are easy to handle and install
  • 32 square feet per sheet
  • Must be ordered in increments of 20

Dimensions: 1/2" x 4' x 8'

Brand Name: Foamular® Rigid Foam Insulation

MSDS Document: 100767_001.pdf  

To read PDF files, you need the Adobe Acrobat Reader 6.0 or higher. If you don't have it, click here and download it for free from Adobe's site.


Online Availability
Not Available Online
Store Availability

Please Note: Prices, promotions, styles and availability may vary by store and online. While we do our best to provide accurate item availability information, we cannot guarantee in-stock status and availability as item quantities are constantly changing throughout the day. Inventory last updated 4/15/2014 at 5:00am CT. Online orders and products purchased in-store qualify for rebate redemption. Rebates are provided in the form of a merchandise credit check which can only be used in a Menards store.
Please enter total lineal length of all walls added together
Length: ft. in.
Note: Quantity is calculated for you.
To Account for pattern matching and error, an extra 5.0% will be added.