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    AI Overview
    How EPS Boards Improve Energy Efficiency in Buildings
    Supreme Grade High-Efficiency Extruded Polystyrene (XPS) panels are high-density, closed-cell foam insulation designed for superior thermal resistance (R-5 per inch), exceptional moisture resistance, and high compressive strength. Engineered for demanding applications, these panels prevent water absorption, maintain insulation values in high-humidity environments, and offer durable structural support. 
    Key Features and Benefits 
    • Superior Thermal Efficiency: Provides a high, consistent R-value (typically R-4.5 to R-5 per inch) to significantly reduce energy consumption in buildings.
    • Moisture and Moisture Resistance: Due to its closed-cell structure, XPS is resistant to water absorption, making it ideal for below-grade, under-slab, and high-humidity applications.
    • High Compressive Strength: Designed for heavy-load applications, including parking decks, airport runways, and freezer floors.
    • Durability and Performance: Offers excellent long-term durability and resistance to freeze-thaw cycles. 
    Common Applications 
    • Commercial Roofing: Used in, for instance, ISOLOFOAM XHD 400 & 600 systems, for heavy-duty insulation, as noted in the ISOLOFOAM technical data.
    • Below-Grade Foundations & Slabs: Provides reliable insulation in wet, high-pressure environments.
    • Cold Chain & Infrastructure: Used in industrial freezer floors, ice rinks, and road construction to protect against heat transfer, as described in the DuPont Styrofoam Brand Highload 40 page.
    • Exterior Wall Systems: Provides continuous insulation to enhance energy efficiency. 
    Key Considerations 
    • Material Distinction: While often grouped together, XPS is produced by melting and extruding polystyrene, resulting in a closed-cell structure, whereas EPS is molded from beads.
    • Environmental Factors: As a petroleum-based product, it may have a higher global warming potential compared to some alternatives.
    • Sunlight Protection: Prolonged exposure to sunlight can cause degradation, requiring protective cladding in exposed applications.
    • Cost & Handling: Generally higher cost than traditional EPS, but justified by superior performance in moisture-heavy environments. 
    • DuPont™ Styrofoam™ Brand Panel Core 20 XPS Insulation
      U.S. HFC Regulation Compliant Formulation. DuPont™ Styrofoam™ Brand Panel Core 20 Extruded Polystyrene (XPS) Insulation is a close...
      DuPont
    • 🥇 Expanded Polystyrene vs. Extruded ...
      Feb 18, 2026 — Understanding EPS and XPS Insulation Both EPS and XPS are rigid foam insulation boards made from polystyrene, but their manufactur...
      Mid-Atlantic Roofing Supply
    • DuPont™ Styrofoam™ Brand Highload 40 XPS Insulation
      U.S. HFC Regulation Compliant Formulation. DuPont™ Styrofoam™ Brand Highload 40 Extruded Polystyrene (XPS) Insulation is a closed-
      DuPont
    • Comparing XPS and EPS Insulation for Construction Applications
      Aug 19, 2025 — Key Performance Characteristics: * High compressive strength. * High moisture resistance. * R-Value of R-5 per inch. * Strong resi...
      Alleguard
    • Insulation Comparison Features and Benefits - Sto Corp.
      Mar 7, 2024 — Sto EPS Insulation Board Builders can use StoTherm® ci in residential or commercial wall construction where energy efficiency, sup...
      Sto Corp.
    • ISOLOFOAM XHD 400 & 600 : Very high-density insulation
      Used for slabs & foundations, our XHD 400 and XHD 600 panels are designed for applications where standards require very high compr...
      Isolofoam
    • The Benefits and Disadvantages of Extruded Polystyrene ...
      Nov 18, 2024 — and PIR has a compressive strength of 120 to 150 kilopascal. cost XPS has a medium cost EPS has a lower cost and PI has a higher c...
      1m
      YouTube·Buy Insulation Online
    • High-Density EPS - Benchmark Foam
      Superior Insulation: High-density EPS foam from Benchmark Foam provides excellent thermal insulation, making it an ideal choice fo...
      Benchmark Foam
    • DuPont™ Styrofoam™ Brand Panel Core 20 XPS Insulation
      U.S. HFC Regulation Compliant Formulation. DuPont™ Styrofoam™ Brand Panel Core 20 Extruded Polystyrene (XPS) Insulation is a close...
      DuPont
    • 🥇 Expanded Polystyrene vs. Extruded ...
      Feb 18, 2026 — Understanding EPS and XPS Insulation Both EPS and XPS are rigid foam insulation boards made from polystyrene, but their manufactur...
      Mid-Atlantic Roofing Supply
    • DuPont™ Styrofoam™ Brand Highload 40 XPS Insulation
      U.S. HFC Regulation Compliant Formulation. DuPont™ Styrofoam™ Brand Highload 40 Extruded Polystyrene (XPS) Insulation is a closed-
      DuPont
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    Web results

    Factory Supply XPS,XPS Manufacturer,XPS Wholesale


    Anhui Sa Tuo New Material Technology Co., Ltd
    https://www.ahsatuorubber.com › xps
    Anhui Sa Tuo New Material Technology Co., Ltd
    https://www.ahsatuorubber.com › xps
    Supreme Grade High-Efficiency EPS Extruded Panels · Optimal Density Durable EPS Insulation Boards · Advanced Tech Soundproof EPS Extruded Sheets · Precision ...Read more

    FOAMULAR® XPS Insulation Products


    Owens Corning
    https://www.owenscorning.com › insulation › commercial
    Owens Corning
    https://www.owenscorning.com › insulation › commercial
    FOAMULAR® provides higher thermal performance and moisture resistance than EPS, allowing less product consumption and more efficient installation. Durability.Read more
    Missing: Supreme ‎| Show results with: Supreme

    Innovative Applications of EPS Insulation in Modern ...


    Alleguard
    https://alleguard.com › insights › innovative-application...
    Alleguard
    https://alleguard.com › insights › innovative-application...
    EPS insulation is renowned for its excellent thermal resistance, with a high R-value that remains consistent over time. This thermal efficiency is crucial in ...Read more
    Missing: Supreme ‎| Show results with: Supreme

    OHANA XPS Boards | Superior Thermal & Moisture ...


    OHANA Industries LLC
    https://ohanauae.com › xps-boards
    OHANA Industries LLC
    https://ohanauae.com › xps-boards
    XPS boards are manufactured by melting and extruding polystyrene, creating a closed-cell structure that enhances its thermal insulation and moisture resistance ...Read more

    XPS VS EPS Insulation, The Differences Between ...


    Beijing SOHO Building Materials Group Co.,Ltd.
    https://www.beijingsoho.com › Blog
    Beijing SOHO Building Materials Group Co.,Ltd.
    https://www.beijingsoho.com › Blog
    XPS extruded polystyrene foam boards are a more advanced and high-performance version of the EPS (Expanded Polystyrene) foam boards, offering improved ...Read more
    Missing: Supreme ‎| Show results with: Supreme

    Exploring the pros and cons of using EPS panels for exterior ...


    r-eps.com
    https://www.r-eps.com › News › Industry News
    r-eps.com
    https://www.r-eps.com › News › Industry News
    Oct 14, 2025 — The article examines EPS panels through a detailed evaluation of their structure and benefits and drawbacks and their performance relative to ...Read more
    Missing: Supreme ‎| Show results with: Supreme

    Everything You Need to Know About XPS Insulation


    Sto Corp.
    https://www.stocorp.com › xps-insulation
    Sto Corp.
    https://www.stocorp.com › xps-insulation
    Aug 15, 2022 — Extruded polystyrene (XPS) closed-cell, rigid XPS insulation significantly improves the energy efficiency of unfinished exterior and interior walls.Read more
    People also ask
    What are the disadvantages of EPS insulation?
    Problems Associated with EPS Insulated Wall Panels
    • Moisture Sensitivity. One of the critical downsides of EPS is its sensitivity to moisture. ...
    • Fire Risk. EPS panels are inherently flammable. ...
    • Chemical Sensitivity. ...
    • Environmental Impact. ...
    • Pest Attraction.
    May 1, 2024

    EPS Insulated Wall Panel Problems - Rmax


    Rmax
    https://www.rmax.com › blog › eps-insulated-wall-panels
    Rmax
    https://www.rmax.com › blog › eps-insulated-wall-panels
    How long do EPS panels last?
    50 years
    EPS insulation is known for its durability and longevity. When installed correctly and protected from direct exposure to sunlight and mechanical damage, it can last for the lifetime of the building, often exceeding 50 years. Its inert nature means that EPS does not degrade over time under normal conditions.

    How long does EPS insulation last? - Workplace Interior Shop


    Workplace Interior Shop
    https://workplaceinteriorshop.co.uk › knowledge-base
    Workplace Interior Shop
    https://workplaceinteriorshop.co.uk › knowledge-base
    Is EPS better than Rockwool?
    Both EPS and Mineral Wool are high-quality choices for EWI systems, and the decision comes down to: Budget – EPS is more economical. Thermal efficiency – EPS offers slightly better U-values. Fire resistance – Mineral Wool is A1 rated.Jun 25, 2025

    Mineral Wool vs EPS – Which External Wall Insulation is Best? | EWI Store


    EWI Store
    https://ewistore.co.uk › mineral-wool-insulation-vs-expa...
    EWI Store
    https://ewistore.co.uk › mineral-wool-insulation-vs-expa...
    What happens if EPS gets wet?
    Expanded Polystyrene (EPS)

    EPS is more water-resistant than mineral wool and is often used in applications where moisture is a concern. However, if it is exposed to water for an extended period, it can absorb some moisture, leading to a reduction in its thermal performance.    Oct 29, 2023

    What To Do With Wet Insulation? | EWI Store


    EWI Store
    https://ewistore.co.uk › what-to-do-with-wet-insulation
    EWI Store
    https://ewistore.co.uk › what-to-do-with-wet-insulation

    Web results

    Extruded Polystyrene Insulation: A Comprehensive Guide


    Feininger (Nanjing) Energy Saving Technology Co., Ltd
    https://www.feiningercn.com › NEWS › Latest News
    Feininger (Nanjing) Energy Saving Technology Co., Ltd
    https://www.feiningercn.com › NEWS › Latest News
    Oct 31, 2024 — Extruded polystyrene (XPS) insulation is a widely-used building material known for its durability, moisture resistance, and excellent thermal properties.Read more
  • What Is Extruded Polystyrene...
  • Applications Of Xps In...
  • Feininger: A Leading Xps...
    • Missing: Supreme ‎Panels

    EXPANDED POLYSTYRENE


    Insulfoam
    https://www.insulfoam.com › uploads › 2016/08
    Insulfoam
    https://www.insulfoam.com › uploads › 2016/08
    PDF
    EPS offers a high-performance, yet economical, solution for a wide variety of construction applications. EPS is NOT Styrofoam®. 7. What is EPS? Page ...Read more

    XPS Insulation R-Value: Explained, Compared & Alternatives


    Rmax Insulation
    https://www.rmax.com › blog › xps-foam-insulation-board
    Rmax Insulation
    https://www.rmax.com › blog › xps-foam-insulation-board
    Aug 28, 2023 — Understand the R-value of XPS insulation and explore a great alternative. Learn about the benefits of different insulation options.
  • 6 Types Of Xps Insulation
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