Foam Comparisons

EPS, XPS, and ISO foam insulation are all rigid and lightweight, with excellent insulating properties. However, they differ in composition, manufacturing process, strength, and R-value. Let's take a closer look at each type:

EPS (Expanded Polystyrene)

EPS foam insulation is made from expanded polystyrene beads that are fused together. It is a lightweight and versatile product that can be used in a wide range of applications, including walls, roofs, and foundations. EPS foam insulation is also often used in packaging and other applications.

Benefits of EPS foam insulation:

  • Lightweight and easy to handle
  • Affordable
  • Versatile, with good insulating properties
  • Recyclable

Situations for the use of EPS foam insulation:

  • Walls and roofs
  • Below-grade applications
  • Packaging

XPS (Extruded Polystyrene)

XPS foam insulation is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam insulation. XPS foam insulation is often used in below-grade applications, such as insulating foundation walls, as well as in roofing and other applications.

Benefits of XPS foam insulation:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam insulation

Situations for the use of XPS foam insulation:

  • Below-grade applications, such as foundation walls and slabs
  • Roofing and other applications where high compressive strength is needed

ISO (Polyisocyanurate)

ISO foam insulation is made from polyisocyanurate resin and other chemicals. It is the most energy-efficient of the three types, with a high R-value per inch. ISO foam insulation is often used in roofing applications, as well as in wall and floor assemblies.

Benefits of ISO foam insulation:

  • Highly energy-efficient, with the highest R-value per inch
  • Resistant to moisture and vapor
  • Excellent fire resistance
  • Can be used in a wide range of applications

Situations for the use of ISO foam insulation:

  • Roofing applications
  • Wall and floor assemblies
  • Any application where high energy efficiency is desired

Technical Bulletins

EPS Below Grade Series 101

EPS Below Grade Series 102

EPS Below Grade Series 103

EPS Below Grade 104

EPS Below Grade Series 105

XPS/Polyiso Long-Term Thermal Resistance & R-Value Performance

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I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

I give this firm a 5 star rating. They are the nicest people to deal with. They go out of their way to make you happy, and the work they do is awesome. Absolutely love our panels for our home. Smarter financially and goes up quick. Will not stick build again! Thank you Vernon and the guys, for such A+ service.

XPS foam is made by melting polystyrene pellets and extruding them into rigid panels. It is a dense and strong product that has a higher R-value per inch than EPS foam. XPS foam is often in below-grade applications, such as foundation walls, as well as in roofing and other applications.

Benefits of XPS foam:

  • Dense and strong, with high compressive strength
  • Moisture-resistant
  • Resistant to mold and mildew
  • Higher R-value per inch than EPS foam

Situations for the of XPS foam:

Below-grade applications, such as foundation walls and slabs

Roofing and other applications where high compressive strength is needed

Contact Us

(330) 279-2345

8685 Township Rd 561,

Holmesville, OH 44633

Business Hours

Monday - Friday:  6:30 AM - 3:30 PM

Saturday: Closed

Sunday:  Closed

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