For example, whether it’s a stage play or a shop display case to be decorated, these panels can act as false partitions and create a specific atmosphere if they’re dressed up. R- Value Polyurethane was produced to replace the shortfalls of expanded polystyrene. EPS is made of 98% trapped air and only 2% plastic, making it an efficient insulator with a small amount of raw material. 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. whether it’s a stage play or a shop display case to be decorated, these panels can act as false partitions and create a specific atmosphere if they’re dressed up. For over 50 years, Insulfoam has been enabling building professionals to construct high-quality building insulation systems at a minimal cost. It is usually white in appearance and produced from pre-expanded PS beads. The puffing of EPS resin, creating the puffed polystyrene beads is the first step in producing EPS (expanded polystyrene) blocks. Polystyrene panels are very useful when it comes to decorating a place. Sitemap Privacy Contact Us © 2019 TrueFoam Limited. One of the main functions is to provide insulation and protect surrounding structures and is widely used for building insulation. EPS is also used in the construction industr… It is a light-weight and rigid foam, which is produced from solid beads of polystyrene. Although manufacturers of XPS and EPS often tout the fact that their products can be recycled, a complete life cycle analysis shows that EPS has a better overall environmental impact when compared to XPS. } Finally, XPS is often branded by its manufacturer and frequently comes in a number of different colors which have nothing to do with performance. Your email address will not be published. EPS (expanded) and XPS (extruded) are both closed-cell rigid insulation made from the same base polystyrene resins and manufactured differently, EPS is beads that are molded or cut into various sizes and shapes while XPS is extruded sheets. Expanded Polystyrene has been used for approximately 50 years. for EPS). Expanded Polystyrene (EPS) Insulation is a rigid closed cell plastic foam that is comprised of hollow, spherical beads that are fused together using steam. For manufacturing expanded polystyrene, the polystyrene beads are impregnated with the foaming agent pentane. Expanded Polystyrene – EPS. 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? However, it’s worth noting that expanded polystyrene panels are more suitable for decoration: they’re lighter and less expensive. Expanded polystyrene foam is made by expanding the polystyrene plastic polymers to form a white, closed-cell foam material. It’s worth noting that grey EPS shows a better thermal performance (around 10 to 20%), which makes it possible, for example, to reduce the thickness of the polystyrene panel when it’s used as insulation. It’s also highly resistant to different temperatures: heat, cold, and water are usually unsuccessful at overcoming quality extruded polystyrene. Each process is briefly explained below. Don’t feel alone in this misconception, it is very common. Expanded Polystyrene (EPS) is one of the most economic and cost-effective options for insulating your home. These qualities are especially appreciated in Québec. Polystyrene beads are often mistakenly referred to as STYROFOAM™ beads. An extremely cost effective packaging material, it is moisture resistant, a good thermal insulator, (insulation R-value of 4.0 per inch) and it is structurally strong (compression strength of 1000 lbs per square foot.) For example, it’s equipped with a higher mechanical resistance than EPS. Polystyrene (PS) is a synthetic aromatic hydrocarbon polymer made from the monomer styrene. The 2 lb EPS is available in any thickness, not just 1″ increments and is more economical than extruded polystyrene. Expanded Polystyrene Insulation, more commonly referred to as EPS, is a closed cell insulation that has been around since the 1950’s. Polystyrene granulate is prefoamed at temperatures above 90°C. Polystyrene is produced from the crude oil refinery product styrene. EPS has been with us for around 50 years. Lightweight, they’re very easy to transport. The Long Term Thermal Resistance (LTTR) of XPS is therefore less than its "initial" R-factor. As it’s quite fragile when it comes into contact with fire, it’s necessary to combine expanded polystyrene with a non-combustible material. Heat or steam is then applied to the mould which expands the polystyrene beads and fuses them together. Saint-Jean-Baptiste Montréal (Québec) H1B 5V3. ); The white stuff most everyone refers to as “Styrofoam” is actually EPS, expanded polystyrene. 2 lb nominal density EPS (expanded polystyrene) has become a very popular alternative to extruded polystyrene for under slab and perimeter foundation wall insulation. Save my name, email, and website in this browser for the next time I comment. These repeating units are “monomers”. By: Agence Combustible|Published on: Nov 2, 2017|Categories: News, Uncategorized| 0 comments. window.mc4wp) { It is a rather poor barrier to oxygen and water vapour and has a relatively low melting point. Because EPS insulation is 98% air, it is chemically inert. Polystyrene. on average for XPS vs. 0.93 lbs. Generally, polystyrene is a synthetic aromatic polymer made from the monomer styrene, which is derived from benzene and ethylene, both petroleum products.Polystyrene can be solid or foamed. Extruded polystyrene is much denser than expanded polystyrene (2.18 lbs. Expanded Polystyrene (EPS) EPS or expanded polystyrene packaging has historically been a popular choice for protecting products in distribution. Expanded Polystyrene (EPS). Extruded polystyrene has other advantages. Expanded vs. Extruded Polystyrene. XPS has good thermal conductivity (generally higher than EPS). Saint-Jean-Baptiste Montréal (Québec) H1B 5V3. For a Silicone Silicate render system with EPS of 100mm thickness the cost per pack of 6 sheets (Size: 1000mm x 500mm) is £8.33 while for mineral wool of 100mm the cost per pack of 2 sheets (Size: 1200mm x 600mm) is £14.58. Polyurethane has been developed to alleviate the shortfalls of EPS. XPS performs better than EPS. Expanded polystyrene (EPS), is produced from small beads of polystyrene that are fed into a mold. XPS & EPS Differentiators. Those who want to create specific shapes will have more reasons to hesitate between expanded and extruded polystyrene. XPS cells contain insulating gases in addition to air that eventually diffuses out of the cells, thus lowering the insulating value. Insulfoam is a division of Carlisle Construction Materials, a wholly owned subsidiary of Carlisle Companies (NYSE: CSL), and is the nation's largest manufacturer of block-molded expanded polystyrene (EPS). It’s therefore preferred in areas with rather extreme weather conditions. These plates are mainly appreciated for interior insulation. callback: callback forms : { So, you’re thinking about insulating your garage door. No, we are not kidding, it is blue in color! Material costs are about &0.31 per square foot for each inch of thickness, plus installation costs. But these two products could not be more different. } The battle began, EPS versus XPS, and the test results are in. EPS (expanded polystyrene) and XPS (extruded polystyrene) are both closed-cell rigid insulation made from the same base polystyrene resins. You Decide?? R- Value – P olyurethane is the most efficient manmade insulation in the world. Puffed polystyrene beads are used for several different applications besides the manufacture of EPS … on average for XPS vs. 0.93 lbs. The simplest recycling involves crumbling the old EPS into small pieces and remolding them into usable shapes. })(); Votre adresse courriel: Your email adress: Polystyrene is a material that comes from the family of synthetic insulators. What is Expanded Polystyrene or EPS Polystyrene Foam? Its lightness makes it easy to handle and install. Once it’s cut, the panel will be transformed into a fully fledged decorative element. Since XPS is typically more expensive than EPS, buyers need to closely compare the tables of properties for each product as compared to the needs of the application. EPS is a lightweight insulator with a high mechanical resistance. The EPP manufacturing process is complex. EPS (Expanded Polystyrene) Vs Polyurethane. In addition, it’s not necessary to use a highly insulating material as a decorative element; the cheaper option should be more than sufficient. What is Expanded Polystyrene? Monomers bind with each other via covalent bonds to form a polymer. Polystyrene can be solid or foamed. 5025, boul. Expanded polystyrene (EPS) is the winner! A SCULPTURE ENLARGEMENT FOR THE WINNER OF THE LAST SCVLPTVRE SHOW, 100,000$ INVESTMENT FOR NEW TECHNOLOGY AT USIMM. It’s primarily used in the form of white or grey panels to insulate floors, walls, roofs, or terraces. They can be found in different forms, but the polystyrene panel is undoubtedly the most commonly used. The Advantages of Expanded Polystyrene EPS is a … It doesn’t warp much, even over time, and doesn’t lose its thickness. Polystyrene has a typical R-value of approximately 4.4 per 1″ thickness of material. } Polystyrene is commonly injection molded, vacuum formed, or extruded, while expanded polystyrene is either extruded or molded in a special process. EPS is also easily worked in the field during installation. The difference between EPP and EPS lies in the manufacturing process where the distinctive resin (polypropylene vs polystyrene) goes through a different process under tightly controlled conditions. } While XPS is "extruded" into a close approximation of its final form, EPS is manufactured in large blocks that are subsequently cut by hot-wire machines into sheets or cut into virtually any special shape or form by computer-driven systems. Styrofoam™ is a Dow trade name and is actually blue in color. Polystyrene panels are primarily used to insulate houses, but they can also be used in the creation of sets for artistic projects, for example. for EPS). } 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. General-purpose polystyrene is clear, hard, and rather brittle. However, grey polystyrene is slightly more expensive. In addition, it’s not necessary to use a highly insulating material as a decorative element; the cheaper option should be more than sufficient. Although the same material they manufactured differently; EPS beads are molded or cut into various sizes and shapes while XPS is extruded sheets. Address Polystyrene vs. Polyurethane Garage Door Insulation. The food service industry is a major user of this product, which makes strong, protective, and insulating trays, cups, and containers. window.mc4wp.listeners.push( Polystyrene panels are very useful when it comes to decorating a place. The white foam is commonly used for … Polyurethane is a new product with roughly 35 years of testing. It must also be noted that stated R-values of insulations products vary under different conditions and truly credible comparisons must take into consideration the specific brands of foam and specific test conditions. Extruded polystyrene is much denser than expanded polystyrene (2.18 lbs. EPS is also used in the construction industry for insulation and void fill. This was clearly shown in an independent, third-party test. Below you will see a detailed difference between polyurethane, and expanded polystyrene. On the other hand, if this element needs to have a minimum resistance, then it will be better to opt for extruded polystyrene. event : event, Expanded polystyrene maintains its R-Value even after long-term exposure in northern climates. The key difference between polystyrene and polypropylene is that the monomer for polystyrene is styrene, while the monomer for polypropylene is propylene.. Polymers are large molecules, which have the same structural unit repeating over and over. Unique Properties of EPP. Polystyrene copolymers are also produced; these contain one or more other monomers in addition to styrene. if ( ! EPS is one of the most commonly used PS foam in everyday life. { The main difference between these two materials lies in their density. Lightweight, they’re very easy to transport. Plaster is often used with expanded polystyrene and combined in the form of a plate. 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. Expanded polystyrene or EPS is a thermoplastic foam material that we produce from solid beads of polystyrene whereas the extruded polystyrene or XPS is a foam material that we produce from solid polystyrene crystals. However, it’s worth noting that expanded polystyrene panels are more suitable for decoration: they’re lighter and less expensive. Required fields are marked *. Polyisocyanurate’s typical R-value for the same 1″ of material is approximately 6.0. The R-factor of EPS remains constant over the life of the product because the manufacturing process used in EPS results in normal air, rather than gas, in the voids in the product. 5025, boul. FMI-EPS | Learn the difference between Expanded Polystyrene (EPS) & Extruded Polystyrene (XPS) See why EPS holds a better R-Value compared to XPS listeners: [], Polystyrene itself is a form of plastic, a polymer that can be extruded (think Styrofoam®) or expanded. 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. It’s also less expensive and more manageable for those who don’t have machines adapted to its cutting. EPS can be recycled in many ways once it comes to the end of its life. 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. It exists in two types: expanded polystyrene (EPS) and extruded polystyrene (XPS). Your email address will not be published. Molded Pulp vs. Pros & Cons of EPS vs. PUR Insulated Shipping Coolers October 2, 2018 - Chill-Pak - Cold Chain Packaging EPS (aka expanded polystyrene or Styrofoam) insulated shipping coolers are the typical material of choice for human & animal health companies … As you can see, these materials may seem very similar, but they have very different qualities. If it’s only handled a little, expanded polystyrene will largely do the trick. 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. This is the key difference between expanded and extruded polystyrene. The Difference between Expanded Polystyrene and Extruded Polystyrene. window.mc4wp = { Expanded Polystyrene (EPS) EPS is a kind of rigid, tough and closed foam. Expanded polystyrene (EPS) can also be made out of recycled polystyrene. Polyurethane Vs. EPS (Expanded Polystyrene) Panels in Comparison. 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