Model # 150705

Internet #205517302

Store SKU #420777

Cellofoam 3/4 in. x 1.21 ft. x 4 ft. R-3 Polystyrene Insulating Sheathing (6-Pack)
0050356000247

Cellofoam

3/4 in. x 1.21 ft. x 4 ft. R-3 Polystyrene Insulating Sheathing (6-Pack)

$8.48 /package

Frequently Bought Together

Product Overview

Provide your home with effective insulation with the Cellofoam 3/4 in. x 14-1/2 in. 48 in. Polystyrene Foam Insulation Panel. Ideal for both interior and exterior use. This durable insulation features a flame retardant additive for additional safety.

  • Ideal for wall cavity insulation
  • ENERGY STAR compliant
  • Utilize the rigid polystyrene material for other uses such as arts and crafts, bulletin boards and games
  • Contains a flame retardant additive
  • How much do you need? Let our calculator help:
    Insulation calculator button

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Customer Questions & Answers

Is the price per panel or per package for this item?

Asked by: rosehips
it's per package, rosehips.
Answered by: TacomaSam
Date published: 2015-11-21

Does anyone know if you can paint these panels?

Does anyone know if you can paint these panels?
Asked by: KM
Dear KM: Yes, standard latex paint will work if you apply a primer first. More important, however: foam board is flammable and emits toxic gas when it burns. It MUST be covered by an approved 'thermal barrier' in every home, garage, basement and attic storage area. So it cannot be left exposed and painted. I hope this is helpful, Mark
Answered by: BvilleBound
Date published: 2017-03-29

Is this discontinued or will it be available at a later date.

Is this discontinued or will it be available at a later date.
Asked by: Marcy
Hi Marcy, unfortunately, this item appears to have been discontinued and is no longer in stock or available to be purchased on Homedepot.com. The item will remain briefly on the website for customer reference, and the description will be updated with “Discontinued” if it has not been already. We appreciate your business and look forward to serving you in the future. Thank you for shopping Home Depot!
Answered by: THDSupport
Date published: 2016-11-10

Is this machineable? (CNC router tester/spoilboard use?)

I'd like to use a cheap, soft material as the spoilboard for my cnc router table, and as test machinable material to get my patterns right. Would this stuff work well? Thanks
Asked by: supertwang
Dear SuperTwang: Polystyrene is too soft to be used as a spoilboard or pattern material. Sealed MDF and cellular PVC sheet are good options for a spoilboard. PVC is better in areas with high humidity. Home Depot sells both. For modeling, XPS foam board will work, e.g. Foamular from Home Depot. It will melt, however, if the cutting speed is too high. Flecks of foam board will also stick to everything and can make a mess -- plus the material is flammable and will create toxic gas if it burns. Medium and high density polyurethane is best, but costs more. A number of companies sell it on the web, in sheets and blocks. I hope this is helpful. Mark
Answered by: BvilleBound
Date published: 2016-10-21
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Customer Reviews

3/4 in. x 1.21 ft. x 4 ft. R-3 Polystyrene Insulating Sheathing (6-Pack) is rated 5.0 out of 5 by 1.
Rated 5 out of 5 by from Product was perfect for my project Product was perfect for my project
Date published: 2017-02-28
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