Internet #207179253

Model # 20WE

Store SKU #1001965217

0748232100654

FOAMULAR 150 1 in. x 4 ft. x 8 ft. R-5 Scored Square Edge Rigid Foam Board Insulation Sheathing

  • Saves energy and resists moisture with limited lifetime warranty
  • Scored edge easily snaps into smaller boards for best fit
  • Strong, lightweight pink foam panels don't require special tools
$ 19 55
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Frequently Bought Together

Frequently Bought Together

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Product Overview

icon or arm with muscle

Strong And Durable

FOAMULAR® XPS is stronger and more flexible than EPS.

icon of water droplets hitting a surface

Resistant To Mold & Moisture

FOAMULAR® XPS has up to 13x better water resistance than EPS.

icon of a board with a cutout

Easy To Cut, Form & Fit

FOAMULAR® XPS cuts cleaner and doesn't break apart or crumble like EPS.

man installing Foamular in a basement

Insulating Basement Walls

Without adequate insulation, it’s difficult to heat and air-condition a basement room effectively. Owens Corning® FOAMULAR® is the easy-to-install, efficient solution for insulating basement walls.

Man preparing to install Foamular in a crawlspace

Insulating Crawlspace Walls

Because heat m.igrates to cold through the bottom of the house, an uninsulated crawlspace means you’ll use more energy to heat your home during winter and to cool it in summer. Insulate your crawlspace with Owens Corning® FOAMULAR®.

Man installing Foamular in a garage ceiling

Insulating Garage Or Bonus Room

Use Owens Corning® FOAMULAR® to insulate your garage ceiling / bonus room floor to effectively condition the space.

Man installing Foamluar on an exterior wall surface

Insulating Exterior Facing Wall Cavity

Owens Corning® FOAMULAR® provides a higher R-value per inch than other materials commonly used for wall cavity insulation.

badge for Foamular warranty

Warranty

Warranted to retain at least 90% of its advertised R-value over the lifetime of the product - Industry leading warranty across all thicknesses and compressive strengths.

icon of a plus

R-Value

The R-value for insulation measures how well insulation materials can resist heat - the higher the R-value, the greater the insulation performance. FOAMULAR is best ­ at maintaining R-value where moisture is present.

badge icon

Third Party Certifications

FOAMULAR is certified for Recycled Content and Air Quality by esteemed third party organizations.

various Owens Corning Products

Make More Possible

Owens Corning is a global leader in engineered materials for roofing, insulation and composites.

tiger with recycled Owens Corning material in habitat

World Class Sustainability

For us, sustainability is about meeting the needs of the present while leaving the world a better place for the future.

Owens Corning employees holding a volunteer project

OC Gives Back

We make a difference by empowering people and the communities in which we live and work.

  • Saves energy and resists moisture with limited lifetime warranty
  • Scored edge easily snaps into smaller boards for best fit
  • Strong, lightweight pink foam panels don't require special tools
FOAMULAR Extruded Polystyrene (XPS) Rigid Foam Insulation offers a comprehensive line of products - choose the strength you need, from 15 to 60 PSI and exceptional moisture resistance. Products provide superior insulating properties; R-value (5- in. of product thickness). The products are easy to handle, score, cut and install and no special tools are needed. Products can be used on wood, steel framing or concrete walls. Owens Corning provides home builders and home buyers with a number of insulation solutions to meet their needs.
  • Closed cell product is equal to moisture resistance
  • Lifetime limited warranty
  • Wide choice of sizes, thicknesses and edges
  • Retains R-value even after exposure to moisture and freeze thaw cycling



Product Overview

  • Saves energy and resists moisture with limited lifetime warranty
  • Scored edge easily snaps into smaller boards for best fit
  • Strong, lightweight pink foam panels don't require special tools
Model #: 20WE
Sku #: 1001965217
Internet #: 207179253

FOAMULAR Extruded Polystyrene (XPS) Rigid Foam Insulation offers a comprehensive line of products - choose the strength you need, from 15 to 60 PSI and exceptional moisture resistance. Products provide superior insulating properties; R-value (5- in. of product thickness). The products are easy to handle, score, cut and install and no special tools are needed. Products can be used on wood, steel framing or concrete walls. Owens Corning provides home builders and home buyers with a number of insulation solutions to meet their needs.

  • Closed cell product is equal to moisture resistance
  • Lifetime limited warranty
  • Wide choice of sizes, thicknesses and edges
  • Retains R-value even after exposure to moisture and freeze thaw cycling



Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Key Features

icon or arm with muscle

Strong And Durable

FOAMULAR® XPS is stronger and more flexible than EPS.

icon of water droplets hitting a surface

Resistant To Mold & Moisture

FOAMULAR® XPS has up to 13x better water resistance than EPS.

icon of a board with a cutout

Easy To Cut, Form & Fit

FOAMULAR® XPS cuts cleaner and doesn't break apart or crumble like EPS.

man installing Foamular in a basement

Insulating Basement Walls

Without adequate insulation, it’s difficult to heat and air-condition a basement room effectively. Owens Corning® FOAMULAR® is the easy-to-install, efficient solution for insulating basement walls.

Man preparing to install Foamular in a crawlspace

Insulating Crawlspace Walls

Because heat m.igrates to cold through the bottom of the house, an uninsulated crawlspace means you’ll use more energy to heat your home during winter and to cool it in summer. Insulate your crawlspace with Owens Corning® FOAMULAR®.

Man installing Foamular in a garage ceiling

Insulating Garage Or Bonus Room

Use Owens Corning® FOAMULAR® to insulate your garage ceiling / bonus room floor to effectively condition the space.

Man installing Foamluar on an exterior wall surface

Insulating Exterior Facing Wall Cavity

Owens Corning® FOAMULAR® provides a higher R-value per inch than other materials commonly used for wall cavity insulation.

badge for Foamular warranty

Warranty

Warranted to retain at least 90% of its advertised R-value over the lifetime of the product - Industry leading warranty across all thicknesses and compressive strengths.

icon of a plus

R-Value

The R-value for insulation measures how well insulation materials can resist heat - the higher the R-value, the greater the insulation performance. FOAMULAR is best ­ at maintaining R-value where moisture is present.

badge icon

Third Party Certifications

FOAMULAR is certified for Recycled Content and Air Quality by esteemed third party organizations.

various Owens Corning Products

Make More Possible

Owens Corning is a global leader in engineered materials for roofing, insulation and composites.

tiger with recycled Owens Corning material in habitat

World Class Sustainability

For us, sustainability is about meeting the needs of the present while leaving the world a better place for the future.

Owens Corning employees holding a volunteer project

OC Gives Back

We make a difference by empowering people and the communities in which we live and work.

icon or arm with muscle

Strong And Durable

FOAMULAR® XPS is stronger and more flexible than EPS.

icon of water droplets hitting a surface

Resistant To Mold & Moisture

FOAMULAR® XPS has up to 13x better water resistance than EPS.

icon of a board with a cutout

Easy To Cut, Form & Fit

FOAMULAR® XPS cuts cleaner and doesn't break apart or crumble like EPS.

man installing Foamular in a basement

Insulating Basement Walls

Without adequate insulation, it’s difficult to heat and air-condition a basement room effectively. Owens Corning® FOAMULAR® is the easy-to-install, efficient solution for insulating basement walls.

Man preparing to install Foamular in a crawlspace

Insulating Crawlspace Walls

Because heat m.igrates to cold through the bottom of the house, an uninsulated crawlspace means you’ll use more energy to heat your home during winter and to cool it in summer. Insulate your crawlspace with Owens Corning® FOAMULAR®.

Man installing Foamular in a garage ceiling

Insulating Garage Or Bonus Room

Use Owens Corning® FOAMULAR® to insulate your garage ceiling / bonus room floor to effectively condition the space.

Man installing Foamluar on an exterior wall surface

Insulating Exterior Facing Wall Cavity

Owens Corning® FOAMULAR® provides a higher R-value per inch than other materials commonly used for wall cavity insulation.

badge for Foamular warranty

Warranty

Warranted to retain at least 90% of its advertised R-value over the lifetime of the product - Industry leading warranty across all thicknesses and compressive strengths.

icon of a plus

R-Value

The R-value for insulation measures how well insulation materials can resist heat - the higher the R-value, the greater the insulation performance. FOAMULAR is best ­ at maintaining R-value where moisture is present.

badge icon

Third Party Certifications

FOAMULAR is certified for Recycled Content and Air Quality by esteemed third party organizations.

various Owens Corning Products

Make More Possible

Owens Corning is a global leader in engineered materials for roofing, insulation and composites.

tiger with recycled Owens Corning material in habitat

World Class Sustainability

For us, sustainability is about meeting the needs of the present while leaving the world a better place for the future.

Owens Corning employees holding a volunteer project

OC Gives Back

We make a difference by empowering people and the communities in which we live and work.

Product Overview
Key Features
icon or arm with muscle

Strong And Durable

FOAMULAR® XPS is stronger and more flexible than EPS.

icon of water droplets hitting a surface

Resistant To Mold & Moisture

FOAMULAR® XPS has up to 13x better water resistance than EPS.

icon of a board with a cutout

Easy To Cut, Form & Fit

FOAMULAR® XPS cuts cleaner and doesn't break apart or crumble like EPS.

man installing Foamular in a basement

Insulating Basement Walls

Without adequate insulation, it’s difficult to heat and air-condition a basement room effectively. Owens Corning® FOAMULAR® is the easy-to-install, efficient solution for insulating basement walls.

Man preparing to install Foamular in a crawlspace

Insulating Crawlspace Walls

Because heat m.igrates to cold through the bottom of the house, an uninsulated crawlspace means you’ll use more energy to heat your home during winter and to cool it in summer. Insulate your crawlspace with Owens Corning® FOAMULAR®.

Man installing Foamular in a garage ceiling

Insulating Garage Or Bonus Room

Use Owens Corning® FOAMULAR® to insulate your garage ceiling / bonus room floor to effectively condition the space.

Man installing Foamluar on an exterior wall surface

Insulating Exterior Facing Wall Cavity

Owens Corning® FOAMULAR® provides a higher R-value per inch than other materials commonly used for wall cavity insulation.

badge for Foamular warranty

Warranty

Warranted to retain at least 90% of its advertised R-value over the lifetime of the product - Industry leading warranty across all thicknesses and compressive strengths.

icon of a plus

R-Value

The R-value for insulation measures how well insulation materials can resist heat - the higher the R-value, the greater the insulation performance. FOAMULAR is best ­ at maintaining R-value where moisture is present.

badge icon

Third Party Certifications

FOAMULAR is certified for Recycled Content and Air Quality by esteemed third party organizations.

various Owens Corning Products

Make More Possible

Owens Corning is a global leader in engineered materials for roofing, insulation and composites.

tiger with recycled Owens Corning material in habitat

World Class Sustainability

For us, sustainability is about meeting the needs of the present while leaving the world a better place for the future.

Owens Corning employees holding a volunteer project

OC Gives Back

We make a difference by empowering people and the communities in which we live and work.

  • Saves energy and resists moisture with limited lifetime warranty
  • Scored edge easily snaps into smaller boards for best fit
  • Strong, lightweight pink foam panels don't require special tools
FOAMULAR Extruded Polystyrene (XPS) Rigid Foam Insulation offers a comprehensive line of products - choose the strength you need, from 15 to 60 PSI and exceptional moisture resistance. Products provide superior insulating properties; R-value (5- in. of product thickness). The products are easy to handle, score, cut and install and no special tools are needed. Products can be used on wood, steel framing or concrete walls. Owens Corning provides home builders and home buyers with a number of insulation solutions to meet their needs.
  • Closed cell product is equal to moisture resistance
  • Lifetime limited warranty
  • Wide choice of sizes, thicknesses and edges
  • Retains R-value even after exposure to moisture and freeze thaw cycling



Product Overview

  • Saves energy and resists moisture with limited lifetime warranty
  • Scored edge easily snaps into smaller boards for best fit
  • Strong, lightweight pink foam panels don't require special tools
Model #: 20WE
Sku #: 1001965217
Internet #: 207179253

FOAMULAR Extruded Polystyrene (XPS) Rigid Foam Insulation offers a comprehensive line of products - choose the strength you need, from 15 to 60 PSI and exceptional moisture resistance. Products provide superior insulating properties; R-value (5- in. of product thickness). The products are easy to handle, score, cut and install and no special tools are needed. Products can be used on wood, steel framing or concrete walls. Owens Corning provides home builders and home buyers with a number of insulation solutions to meet their needs.

  • Closed cell product is equal to moisture resistance
  • Lifetime limited warranty
  • Wide choice of sizes, thicknesses and edges
  • Retains R-value even after exposure to moisture and freeze thaw cycling



Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

icon or arm with muscle

Strong And Durable

FOAMULAR® XPS is stronger and more flexible than EPS.

icon of water droplets hitting a surface

Resistant To Mold & Moisture

FOAMULAR® XPS has up to 13x better water resistance than EPS.

icon of a board with a cutout

Easy To Cut, Form & Fit

FOAMULAR® XPS cuts cleaner and doesn't break apart or crumble like EPS.

man installing Foamular in a basement

Insulating Basement Walls

Without adequate insulation, it’s difficult to heat and air-condition a basement room effectively. Owens Corning® FOAMULAR® is the easy-to-install, efficient solution for insulating basement walls.

Man preparing to install Foamular in a crawlspace

Insulating Crawlspace Walls

Because heat m.igrates to cold through the bottom of the house, an uninsulated crawlspace means you’ll use more energy to heat your home during winter and to cool it in summer. Insulate your crawlspace with Owens Corning® FOAMULAR®.

Man installing Foamular in a garage ceiling

Insulating Garage Or Bonus Room

Use Owens Corning® FOAMULAR® to insulate your garage ceiling / bonus room floor to effectively condition the space.

Man installing Foamluar on an exterior wall surface

Insulating Exterior Facing Wall Cavity

Owens Corning® FOAMULAR® provides a higher R-value per inch than other materials commonly used for wall cavity insulation.

badge for Foamular warranty

Warranty

Warranted to retain at least 90% of its advertised R-value over the lifetime of the product - Industry leading warranty across all thicknesses and compressive strengths.

icon of a plus

R-Value

The R-value for insulation measures how well insulation materials can resist heat - the higher the R-value, the greater the insulation performance. FOAMULAR is best ­ at maintaining R-value where moisture is present.

badge icon

Third Party Certifications

FOAMULAR is certified for Recycled Content and Air Quality by esteemed third party organizations.

various Owens Corning Products

Make More Possible

Owens Corning is a global leader in engineered materials for roofing, insulation and composites.

tiger with recycled Owens Corning material in habitat

World Class Sustainability

For us, sustainability is about meeting the needs of the present while leaving the world a better place for the future.

Owens Corning employees holding a volunteer project

OC Gives Back

We make a difference by empowering people and the communities in which we live and work.

Customers Also Compared These

Compare Similar Products
Brand R-Tech Owens Corning Owens Corning Owens Corning
Name 1 in. x 4 ft. x 8 ft. R-3.85 Insulating Sheathing FOAMULAR 150 1 in. x 4 ft. x 8 ft. R-5 Scored Square Edge Rigid Foam Board Insulation Sheathing FOAMULAR 150 1-1/2 in. x 4 ft. x 8 ft. R-7.5 Scored Squared Edge Rigid Foam Board Insulation Sheathing FOAMULAR 250 2 in. x 48 in. x 8 ft. R-10 Scored Squared Edge Insulation Sheathing
Price
$12.58
$19.55
$24.72
$32.38
Ratings (187) (234) (155) (252)
Sheathing Type EPS XPS XPS XPS
Insulation Location 2x4 Wall,2x6 Wall,Attic,Basement,Crawlspace,Exterior Sheathing,Exterior Wall Foundation,Garage,Under Slab Basement,Crawlspace,Exterior Wall,Exterior Wall Foundation,Under Slab Exterior Wall Foundation Exterior Sheathing,Exterior Wall Foundation,Under Slab
Product Width (in.) 48 in 48 in 48 in 48 in
Product Length (ft.) 8 ft 8 ft 8 ft 8 ft
Faced or Unfaced Faced Unfaced Unfaced Unfaced
Product Thickness (in.) 1 in 1 in 1.5 in 2 in
View Product View Product View Product View Product

Specifications

Dimensions

Coverage Area (sq. ft.)
32 ft²
Product Length (ft.)
8 ft
Product Thickness (in.)
1 in
Product Width (in.)
48 in

Details

Compatible Install Surface
Plywood,Wood
Faced or Unfaced
Unfaced
Insulation Features
Formaldehyde Free
Insulation Location
Basement,Crawlspace,Exterior Wall,Exterior Wall Foundation,Under Slab
Insulation R-Value
R5
Insulation Type
Foam Board Insulation
Interior/Exterior
Interior/Exterior
Number of Pieces
1
Product Weight (lb.)
0.131lb
Sheathing Size
8 ft. x 1 in. x 48 in.
Sheathing Type
XPS

Warranty / Certifications

Warranty Information
Limited Lifetime

Specifications

Dimensions

Coverage Area (sq. ft.)
32 ft²
Product Length (ft.)
8 ft
Product Thickness (in.)
1 in
Product Width (in.)
48 in

Details

Compatible Install Surface
Plywood,Wood
Faced or Unfaced
Unfaced
Insulation Features
Formaldehyde Free
Insulation Location
Basement,Crawlspace,Exterior Wall,Exterior Wall Foundation,Under Slab
Insulation R-Value
R5
Insulation Type
Foam Board Insulation
Interior/Exterior
Interior/Exterior
Number of Pieces
1
Product Weight (lb.)
0.131lb
Sheathing Size
8 ft. x 1 in. x 48 in.
Sheathing Type
XPS

Warranty / Certifications

Warranty Information
Limited Lifetime

Questions & Answers

will Home Depot cut the item in pieces?

will Home Depot cut the item in pieces?
Asked by: JohnDoe
I asked and the answer was no, there was no offer to help me either. One staff member offered me his knife but need to keep the cut straight. I can get the 8ft length in my car but not the 4ft width. So just need it cut straight down the middle
Answered by: DaveFJ
Date published: 2019-11-22

Would this work to insulate a garage slab floor before installing a subfloor and hardwood on top?...

Would this work to insulate a garage slab floor before installing a subfloor and hardwood on top? I want to put down a 6mil vapor barrier, then a 1" layer of Foamular with 1/8" spacing and taped with 3/4" plywood glued to the top then hardwood floors over that. Is this the correct product for that application? If not what would you recommend?
Asked by: James
Yes, this product can be used for that application.
Answered by: Communityanswer
Date published: 2018-11-12

How do i joint multiple pieces together? Is there a speacial tape? When applying it to a verticle surface do I install it like drywall?Staggered joint

Asked by: Jon
Hello Jon, Owens Corning™ HomeSealR™ Foam Joint Tape is an effective product to tape the joints of FOAMULAR® extruded polystyrene (XPS) board in residential vertical wall applications when it is used as continuous insulation over steel or wood wall framing, or as masonry cavity wall insulation. Thank you for your inquiry!
Answered by: OwensCorning
Date published: 2019-11-19

can you use a table saw to cut this?

can you use a table saw to cut this?
Asked by: mike
Yes I rip it down to 14 1/2" the 8' way all the time. Be sure that you wear a good dust mask as it is quite messy. I use a saw blade with a thin kerf and fine teeth.
Answered by: bill2023
Date published: 2019-08-28
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