At a Glance
Coverage Area: 32 (Sq. Ft)
Mold Resistant
Water ResistantInsulfoam R- 1.88 , 0.5-in x 4-ft x 8-ft Faced Expanded polystyrene Board Insulation
Item #41503 |
Model #1/2X48X96 R-TECH
Specifically developed for wall sheathing, basement insulation, siding underlayment and foundation insulation
Excellent insulating properties and moisture resistance
Poly-facer on both sides provide excellent durability and flexibility
Easy to cut-to-size and to install
General | |||
|---|---|---|---|
Package Quantity | 1 | Insulation Type | Expanded polystyrene |
Use Location | Indoor/Outdoor | ||
Dimensions | |||
|---|---|---|---|
Actual Length (Feet) | 8 | Common Width (Feet) | 4 |
Actual Thickness (Inches) | .5 | Coverage Area (Sq. Feet) | 32 |
Actual Width (Feet) | 4 | Package Weight (lbs.) | 1.33 |
Common Length (Feet) | 8 | R-Value per Inch | 3.85 |
Common Thickness (Inches) | .5 | Maximum R-Value | 1.88 |
Features | |||
|---|---|---|---|
Fire Resistant | No | Vapor Retardant | Yes |
Formaldehyde Free | Yes | Water Resistant | Yes |
Mold Resistant | Yes | Facing Material | Faced |
Sound Barrier | No | ||
Certifications | |||
|---|---|---|---|
CA Residents: Prop 65 Warning(s) | No | GREENGUARD Gold Certified | No |
ENERGY STAR Certified | Yes | ||
Compatibility | |||
|---|---|---|---|
For Use in Basements | Yes | For Use in Garage Doors | Yes |
For Use in Crawlspaces | Yes | For Use in Masonry | No |
For Use on Wood | Yes | For Use in Plumbing | No |
For Use in Ceilings | Yes | For Use in Vents | No |
For Use on Insulation | Yes | For Use in Walls | Yes |
For Use in Attics | Yes | For Use in Windows | No |
For Use in Doors | No | Fits 2 x 4 Walls | Yes |
For Use in Duct | No | Fits 2 x 6 Walls | Yes |
For Use in Electrical | No | For Use on Glass | No |
For Use in Floors | Yes | ||
Miscellaneous | |||
|---|---|---|---|
UNSPSC | 30141500 | ||
Check out the Best Selling Board Insulation on Lowes.com
Ratings may include incentivized customer reviews.
What Customers Are Saying
The foam board insulation is easy to work with and install, suitable for both experienced and novice users. It provides effective insulation performance, helping to regulate indoor temperatures. While it can create some minor mess when cut, using a heated knife can minimize this. The product has versatile applications beyond wall and ceiling insulation. Overall, it is a high-quality and affordable insulation solution that delivers good value and performance.
Customer review summary generated by AI, including incentivized reviews.Customer Sentiment
good stuff and just in time
I had to insulate a medal roof so I could hold the heat ,EASY TO WORK WITH AND IT WORKS WELL
Lowe's overpromises delivery speed- days late.
The product was fine. The delivery was late and sloppy (damaged)/
From R- 7.7 , 2-in x 4-ft x 8-ft Faced Expanded polystyrene Board Insulation Verified Purchaser
5 star
Great put roof and plywood top rv 👍🏻
Verified Purchaser
check thickness
the price was right for the repair.thin had to double piece for outside wall repair
Verified Purchaser
Easy installation
Easy to install
Verified Purchaser
Insulation
worked to insulate under manufactured home.
From R- 7.7 , 2-in x 4-ft x 8-ft Faced Expanded polystyrene Board Insulation Verified Purchaser
Review
Easy to work with Good for insulating ceilings.
Verified Purchaser
Dual purpose
It insulated my sh d well while I turned the foil side to the wall and used the white side for it's white xolor
Verified Purchaser
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