Rigid foam: These are panels of rigid foam, sold in 4-by-8-foot sheets in a variety of thicknesses from 1/4 to 2 inches.It is also sold in large bundled panels, joined at the ends accordion-style for use as an exterior sheathing material. extruded polystyrene building products used primarily in construction For contractors working with a building made of concrete, XPS tends to be the preferred form of rigid-foam insulation. EPS is an expanded polystyrene available in various densities for insulation, construction and craft applications and … It is the white brittle material that is frequently used in shipping to protect the goods inside. Styrofoam. Styrofoam is a trademarked brand of closed-cell extruded polystyrene foam (XPS), commonly called "Blue Board" manufactured as foam continuous building insulation board used in walls, roofs, and foundations as thermal insulation and water barrier. The trademarked term is used generically although it is a different material from the extruded polystyrene used for Styrofoam insulation. OVERVIEW. Owens Corning FOAMULAR C-200 Extruded Polystyrene Rigid Insulation - 24 Inch x 96 Inch x 1.5 Inch Ship Lap Edge . It is an inexpensive resin per unit weight. It is a rather poor barrier to oxygen and water vapour and has a relatively low melting point. are actually STYROFOAM. Watch out: where polystyrene foam bead insulation has been installed into brick veneer walls as an insulation improvement or retrofit, mold and mould-odors in building wall and ceiling and even floor cavities may later be traced to leaks into the cavity, especially for homes in humid climates such as areas in the U.K. and North America. Use either extruded polystyrene (XPS) such as Styrofoam or Foamular or expanded polystyrene/EPS, sometimes called “beadboard.” EPS is less expensive and rates about R-4 per inch vs. R-5 for EPS . Two of the most frequently installed types of rigid foam insulation are expanded and extruded polystyrene (EPS and XPS). At Metro Home Insulation, we carry two types of polystyrene insulation: Expanded polystyrene – Made from expanded foam beads that are molded into shape, expanded polystyrene or EPS is ideal for above-grade applications such as exterior walls and offers an R-value of 3.6 to 4.2 per inch. It becomes rigid again when cooled. An alkane chain of benzene molecules, RCH2CHphenylR. The main difference between Styrofoam and Polystyrene is that the Styrofoam is a trademark for expanded polystyrene and Polystyrene is a polymer. Copyright © 2020 Universal Foam Products. It is usually white and made of pre-expanded polystyrene beads. Polystyrene . construction industry. Choose rigid insulation wisely, and consider the effect its characteristics will have on the performance of the your project, overall product cost, and the best way to get the bang for your buck. STYROFOAM™ vs EPS What's the difference between EPS and STYROFOAM™? insulation and void fill. • Extruded Polystyrene. of rigid foam insulation on the exterior side of the wall framing. Polystyrene is a polymer material. Some products have reinforced facing to make them sturdier. Expanded polystyrene foam, such as is used in cups and packaging. Expanded Polystyrene (EPS) Insulation is a rigid closed cell plastic foam that is comprised of hollow, spherical beads that are fused together using steam. • Expanded Polystyrene. for wall insulation, floor insulation, and roof insulation systems. This trademark covers a full range of Whether selecting EPS or XPS insulation, to ensure performance, confirm that the product was manufactured to meet the requirements of ASTM C578, Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation. Expanded vs. Extruded Polystyrene XPS & EPS Differentiators It is commonly understood that XPS offers more initial R-value per inch than EPS but because of its lower cost, EPS offers more R-value per dollar. It provides R-values that range from 3.6 to 4.2 per inch. Please add askdifference.com to your ad blocking whitelist or disable your adblocking software. Owens Corning® FOAMULAR® extruded polystyrene (XPS) insulation is a closed-cell, moisture-resistant rigid foam board with excellent long-term stable insulating performance and durability. TYPE OF FOAM. Styrofoam is a trademarked brand of closed-cell extruded polystyrene foam (XPS), commonly called "Blue Board" manufactured as foam continuous building insulation board used in walls, roofs, and … This temperature behaviour is exploited for extrusion (as in Styrofoam) and also for molding and vacuum forming, since it can be cast into molds with fine detail. The main difference between Styrofoam and Polystyrene is that the Styrofoam is a trademark for expanded polystyrene and Polystyrene is a polymer. EPS - Expanded Polystyrene Foam Insulation Boards: Rated at R4 per inch; EPS foam insulation boards are more permeable to air and moisture than XPS, but it doesn't retain moisture to the same extent because of it's more closed cell structure and it's breathability which lets it dry out. This material is light blue in color and is owned and manufactured by The Dow Chemical Company.In the United States and Canada, the colloquial use of the word styrofoam refers to another material that is usually white in color and made of expanded (not extruded) polystyrene foam (EPS). This particular article focuses on two insulation types that are popular in a variety of installations for the entire building envelope: EPS and XPS. This article discusses EPS vs. XPS vs. GPS. These insulation panels are commonly referred to as "blue board" in the between Expanded Polystyrene Foam and STYROFOAM Brand Foam?" Dow Chemical’s STYROFOAM Brand Foam also covers a full range of foam EPS performs better at mid to upper sound frequency attenuation, and significantly better when used with other materials. A common question we hear all the time is, "What’s the difference The higher the R-Value, the greater the insulating power. compression strength is critical. We don't have any banner, Flash, animation, obnoxious sound, or popup ad. mistakenly refer to them as STYROFOAM, even though the materials are Item #15358 Model #451156. market today are available in sheets, blocks, balls, spheres, cones and Fiberglass is the less expensive choice for wall insulation and is the simplest to install, which makes it an ideal choice for homes in four-season climates. products for the floral, craft and special events industries. beads with steam and pressure to bond the beads together to form blocks or an affiliated company of Dow. completely different. Expanded Polystyrene (EPS): Ultimate Guide on Foam Insulation Material For several years, expanded polystyrene (EPS) has been utilized as a material of choice in several food packaging applications, cost-effective and energy-efficient insulation in construction applications as well as cushion transport packaging material for shock sensitive goods and many more. It forms from the polymerization of styrene monomer. commonly used in construction applications where specific R-values and We need money to operate the site, and almost all of it comes from our online advertising. Polystyrene (PS) is a synthetic aromatic hydrocarbon polymer made from the monomer styrene. As we said, Styrofoam™ is a Dow trade, blue in color, and is an extruded polystyrene (XPS) foam made for thermal insulation, construction and craft applications. Polystyrene vs. Polyurethane Garage Door Insulation. XPS Vs EPS The most important characteristic of insulation is its ability to retain its insulating power (R-value) over long periods of time. You may actually be looking for an expanded polystyrene (EPS) product. Uses include protective packaging (such as packing peanuts and CD and DVD cases), containers (such as "clamshells"), lids, bottles, trays, tumblers, disposable cutlery and in the making of models. Some Polystyrene can be solid or foamed. The Styrofoam brand polystyrene foam, which is used for craft applications, can be identified by its roughness and the "crunch" it makes when cut. This foam board insulation is available with straight or tongue-and-groove edges to help limit air movement. times, people are looking for expanded polystyrene foam products, but Expanded, or Styrofoam insulation, is a budget-friendly option, while extruded insulation has great water resistance and is ideal for use in areas like crawl spaces. Most common "foam" products, like coolers, wine shippers, molded end used to describe expanded polystyrene foam products like disposable Additionally, it is moderately soluble in many organic solvents, cyanoacrylate, and the propellants and solvents of spray paint. Polystyrene (left) is a synthetic aromatic polymer made from the monomer styrene which is also known as Styrofoam. They are available to the consumer from major craft premium products the best known extruded polystyrene insulation on the Here are the typical applications for each type of insulation: Rigid Foam - Outside walls of homes and below grade. Most often the word "Styrofoam" is generically Additionally, EPS is usually present in structured insulated panels. It is denser than EPS and provides more R-Value with a rating of 5 per inch of thickness. The manufacturing process for EPS conventionally begins with the creation of small polystyrene beads. many other shapes. coffee cups, cooler and other foam packaging materials, none of which Rigid foam insulation uses one of three materials: high-quality, green-friendly polyisocyanurate; extruded polystyrene; or expanded polystyrene. are actually polystyrene foam. Styrofoam™ Brand Insulation is the original extruded polystyrene foam insulation. However, EPS insulation has proven to perform just as well in such situations. Expanded Polystyrene (EPS) is the generic This is a relatively simple project that can reap great benefits, but with the wide variety of approaches you can take to insulate your garage, how do you choose the one that is right for you? The best sound absorption rating, or NRC, I was able to find for polystyrene was 0.20. Get Pricing and Availability. At Universal Foam Products, we are experts and suppliers of EPS and Polystyrene and the other rigid insulation products are primarily used in wet applications such as the inside/outside of basement walls and floors. General-purpose polystyrene is clear, hard, and rather brittle. EPS is also used in the construction industry for Compatibility – XPS vs EPS Insulation. Polystyrene insulation is commonly known as foam insulation or by its brand name, Styrofoam. Polystyrene is one of the most widely used plastics, the scale of its production being several million tonnes per year. and floral retailers throughout the country, or at Choose this option for areas that need a good amount of strength and water resistance. caps and corners, box packaging and even cups at the office water cooler Dow STYROFOAM Brand Foam products are most It is often used in disposable coffee cups and coolers, and as cushioning material in packaging. We've detected that you are using AdBlock Plus or some other adblocking software which is preventing the page from fully loading. There are many ways to insulate, including rigid foam insulation, spray foam insulation, fiberglass batt insulation, blown in cellulose insulation, and more. Definitions . EPS is also used in the construction industr… This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. STYROFOAM™ has never been used to hold food and for making beverage containers or coolers for the beach - STYROFOAM™ is actually a registered brand of the Dow Chemical company – with very few exceptions they color it light blue to differentiate it from EPS or expanded polystyrene foam, and it is a version of closed-cell extruded polystyrene foam currently made for thermal insulation and craft … As a thermoplastic polymer, polystyrene is in a solid (glassy) state at room temperature but flows if heated above about 100 °C, its glass transition temperature. One method to insulate a building is by installing 50 to 152 mm (2 to 6 in.) Polystyrene is slow to biodegrade and is therefore a focus of controversy among environmentalists. STYROFOAM™ Brand Foam is a trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow. See the difference between STYROFOAM Brand Foam products and expanded polystyrene, which is often mistakenly referred to as Styrofoam. Because EPS insulation is 98% air, it is chemically inert. We do not implement these annoying types of ads! STYROFOAM Brand Foam products, so the only question is, "Which one is FOAMULAR® XPS is the right insulation for a wide variety of exterior and … These All rights reserved. These insulation panels are commonly referred to as "blue board" in the construction industry. Safety Issues Many believe that fiberglass insulation is in itself a hazardous material, citing the fact that it had been found by the International Agency for Research on Cancer as "possibly carcinogenic" in 1988. Polyisocyanurate is another option, coming … Use Current Location. Extruded Polystyrene. a polymer of styrene; a rigid transparent thermoplastic; "expanded polystyrene looks like a rigid white foam and is used as packing or insulation". Both types of foam need to be covered by drywall or another code-approved fire barrier. industry name for the white rigid material made by expanding polystyrene Brands & Products. STYROFOAM™ vs Polystyrene - What's the Difference? Polystyrene is pre-formed to the steel panels and is usually glued to both the front and back of the inside of the panel. or to shape molds. Most common foam products, like coolers, wine shippers, molded end caps and corners, box packaging and even cups at the office water cooler are actually polystyrene foam. This standard provides a key quality check on rigid insulation. The key difference between polystyrene and Styrofoam is that the polystyrene is a form of synthetic aromatic hydrocarbon polymer whereas the styrofoam is a commercial brand of polystyrene. Also called Styrofoam insulation, this is the least expensive material. 1-in x 4-ft x 8-ft Expanded Polystyrene Foam Board Insulation. Comparing Fiberglass to Foam. So, you’re thinking about insulating your garage door. Expanded Polystyrene (EPS) is the generic industry name for the white rigid material made by expanding polystyrene beads with steam and pressure to bond the beads together to form blocks or to shape molds. Owens Corning® FOAMULAR® XPS insulation is proven to hold its R-Value better than EPS – and even more so when water is present*, such as in below-grade applications. Expanded polystyrene (EPS) is a rigid and tough, closed-cell foam with a normal density range of 11 to 32 kg/m 3. Most often the word "Styrofoam" is generically used to describe expanded polystyrene foam products like disposable coffee cups, cooler and other foam packaging materials, none of … STYROFOAM is a registered trademark of the Dow Chemical Company ("Dow") Rigid-foam insulation packs a lot of R-value into a thin package, but not all rigid foam performs the same. EPS delivers more R-Value per dollar than other sheet insulation. Roof Area Calculator for Cathedral Ceilings. FOAMULAR Extruded Polystyrene Rigid Insulation is made in Canada and offers a combination of characteristics that result in long-term thermal performance of R-5 per inch, compressive strengths of 20 100 PSI and exceptional moisture resistance. Polystyrene can be naturally transparent, but can be coloured with colourants. Styrofoam is a building material and is lightweight and not very dense. extruded polystyrene (xps) rigid foam insulation Owens Corning® FOAMULAR® 250 Extruded Polystyrene (XPS) Rigid Foam Insulation is a closed cell, highly moisture-resistant rigid foam board well suited to meet the needs for a wide variety of residential and commercial construction applications. ADVERTISEMENT. right for your project?" It is increasingly abundant as a form of litter in the outdoor environment, particularly along shores and waterways, especially in its foam form, and also in increasing quantities in the Pacific Ocean. univfoam.com. 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