While polystyrene and polyethylene share a few similarities, they have a few defining differences. Polypropylene and polystyrene are two of the most common polymers used to manufacture plastic lab supplies and other materials. Polyisocyanurate’s typical R-value for the same 1″ of material is approximately 6.0. Extruded polystyrene is about as strong as an unalloyed aluminium but much more flexible and much less dense (1.05 g/cm 3 for polystyrene vs. 2.70 g/cm 3 for aluminium). Simultaneously, both polystyrene and wool can be purchased in slightly better versions with lower lambda. Polystyrene’s low price and ability to withstand temperatures over 200 celsius also makes it exceptionally popular within the foodservice industry. Home | Blog | Polystyrene vs. Polyurethane: Which Garage Door Insulation is Right for You? It’s also very simple to cut into shape using either computer-guided cutting, two-dimensional shaping, or household tools like knives and table saws. Polystyrene is one of the most common plastics used today. There are two main types of insulation which are Polyurethane and Polystyrene. Polyethylene foam is reusable and 100% curbside recyclable as a class 4 material. Polyurethane – The denser choice of the two, polyurethane is the best insulator, but comes with a heftier price tag. Styrene, a petroleum by-product, is the principle component of polystyrene.It is available in various densities and has multiple applications in home, commercial, and industrial markets. Polystyrene and polyethylene are some of the most commonly used polymers today. In addition to efficiently insulating your garage, polyurethane also adds support and rigidity to your garage, making it more resistant to damage. R- Value Request a Quote for an Insulated Garage Door. Your email address will not be published. This makes it ideal for engineering purposes. Polyurethane is a new product with roughly 35 years of testing. Polyethylene is remarkably dense and available in sheets, film, and fibrous forms. The key difference between expanded and extruded polystyrene is that we produce expanded polystyrene (or EPS) from solid beads of polystyrene while we produce extruded polystyrene (or XPS) from solid polystyrene crystals.. It’s also exceptionally popular for packaging food and drinks as most types of polyethylene are considered food safe by the FDA. Polyethylene has many different use cases due to its versatility. Is Polystyrene Insulation an Effective Thermal Barrier? Required fields are marked *. As a thermoplastic, it can constantly be melted, reformed, and cooled into new shapes again and again, making it a great candidate for recycling. How Do I Know if My Garage Door Sensor Is Out of Alignment? The Difference Between Polystyrene and Polyethylene, The Advantages of Polycarbonate Roofing Panels, Sign Up for Our Newsletter to Receive Special Offers, Acrylic UV-Filtering OP3 Frame Grade Clear Sheet, Acrylic UV-Filtering OP3 Non-Glare P99 Frame Grade Clear Sheet, Acrylic Non-Glare P99 Frame Grade Clear Sheet, Twinwall and Multiwall Polycarbonate Sheets, Comparing the Physical Properties of Plastic, Polishing, Beveling & Rounding Acrylic Edges, Polycarbonate & Acrylic Greenhouse Panels. Production. It’s much heavier and denser than HDPE. Polystyrene is an addition polymer that results when styrene monomers interconnect (polymerization). In addition to this, polyethylene can easily be fashioned into many different forms, including sheets, rods, and blocks, as well as custom shapes. Polystyrene has a wide variety of use cases, whether it’s in a hard plastic, foam, or film form. I have read through many of the GBA articles on the subject of vented vs. unvented, R board above roof sheathing with closed cell foam or loose-fill insulation below, etc. It has to be noted that over 7-10 years Celotex will drop in R-value to match the polystyrene as polystyrene will not drop. 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. Polyurethane (right) is a polymer composed or organic units joined by urethane links. Expanded polystyrene is a type of foam made from polystyrene. EPS has been with us for around 50 years. Ultra-High-Molecular-Weight Polyethylene (UHME) – Medical devices and bulletproof vests. Expanded vs. Extruded Polystyrene XPS & EPS Differentiators 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. So what’s the big difference? It also endures contact with many different chemicals, meaning that most household cleaners can be used on polyethylene without causing significant damage. Polystyrene has an R value of approx 2 per inch, Polyurethane about 4 per inch. When stretched into a film, polystyrene is often used in vacuum-formed packaging as an inexpensive alternative to polypropylene. Polyurethane Vs. EPS (Expanded Polystyrene) Panels in Comparison. To learn more about the many forms of polyethylene, visit our page for PET, PET-G, HDPE, or UHMW. The expanded foam variety to polystyrene is used in packaging, to-go containers, engineering models, and Styrofoam drinking cups. It is commonly used as insulation. While polystyrene and polyethylene share a few similarities, they have a few defining differences. In its HDPE and UHME forms, polyethylene is far more impact resistant and durable, making it ideal for use in construction. Or, if you have additional questions, contact us today. It is a rather poor barrier to oxygen and water vapour and has a relatively low melting point. To figure this out, you must answer the following 3 questions: After taking into consideration these questions, you should have a clearer picture of the approach you should take with your garage insulation project. Polyurethane Spray Foam Insulation. Polystyrene has an exceptionally long history, being discovered in 1839 by an apothecary named Eduard Simon. Polystyrene is available in three primary forms, including a hard, impact-resistant plastic, a lightweight foam, and a thin film. As well, polystyrene can be recycled if it is disposed of properly. Spray foam is the best type of insulation for reducing air leaks. Polystyrene Insulation for Garage Doors Jun-9-2015 Garage Door Blog - Uncategorized; If you want to insulate your overhead garage doors, it’s important to be aware of the options available to you. Below you will see a detailed difference between polyurethane, and expanded polystyrene. Polystyrene does provide thermal benefits as an insulation material, but in recent years it has been surpassed by a newer and better performing option: Polyurethane insulating foam. 8349 Arrowridge Blvd, Suite R Polystyrene insulation is commonly known as foam insulation or by its brand name, Styrofoam. On the other hand, polystyrene is available in sheet, film, and foam forms. Polyethylene vs Polystyrene – Polyethylene (EPE) foam represents a significantly more sustainable packaging solution for a variety of simple reasons. Polystyrene in walk-in coolers and freezers is the most cost effective and environmentally friendly insulation used in walk-ins today. Polyurethane vs. Polyethylene is remarkably dense and available in sheets, film, and fibrous forms. Polystyrene can be solid or foamed. Differences between mineral wool and polystyrene However, polystyrene can be very easily shaped and formed, especially when it is in a foam form. R value of 50mm Celotex is 2.25. Polystyrene is waterproof where as the urethane is … Sunday: By Appointment Only Polyurethane expanding foam insulation is typically injected into the extrusions that make up an overhead sectional garage door to insulate it. Despite being expanded with air bubbles, polystyrene foam still retains its moisture resistant and thermally insulating properties – which is why hot drinks are often served in polystyrene cups. It is an inexpensive resin per unit weight. Not only that, but they have also claimed that extruded polystyrene (XPS) is the better option. Wickes supply 50mmx1200mmx2400mm polystyrene @ £14-56 per sheet (2.16KG per board average density) These premium products the best known extruded polystyrene insulation on the market today are available in sheets, blocks, balls, spheres, cones and many other shapes. Polyurethane – The denser choice of the two, polyurethane is the best insulator, but comes with a heftier price tag. These repeating units are “monomers”. 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.) Polyurethane . A: EPS is expanded polystyrene. R- Value – P olyurethane is the most efficient manmade insulation in the world. EPS (Expanded Polystyrene) Vs Polyurethane. This gives polystyrene almost the same amount of versatility as polyethylene. Acme has a proud heritage of customer service and reliability since 1943. General-purpose polystyrene is clear, hard, and rather brittle. So, you’re thinking about insulating your garage door. Such material is more expensive per 1 m3, but its layer may be thinner, making the final insulation cost of 1 m2 of facade, with standard and graphite polystyrene, almost unchanged. 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. Garage Door Services & Repairs in Charlotte, NC. Remember, if it's plastic it’s at ACME PLASTICS. When woven into a fiber, Polyethylene Terephthalate (PET) – Clothing, bottles, food and pharmaceutical packaging. 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. Extruded polystyrene boards and glass wool batts are popular choices in insulation for homes. Polystyrene is in the form of sheets, made to fit each section of the garage door. Extruded polystyrene (XPS): An impressive rating of R-5 per inch combined with high compressive strength and water resistance makes XPS the perfect insulation for below-grade slabs and foundation walls. The two most common materials used for garage door insulation are polystyrene and polyurethane. The resulting polymer could be formed into sheets and rods, or drawn into fibers and films. 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. In addition to being waterproof, polystyrene is manufactured into large sheets or panels that can be easily modified to fit any garage door. Polyurethane is a high-quality garage door insulation, usually in the form of a spray foam. The foam variety of polystyrene is often referred to as Styrofoam. We are here to help. Expanded Polystyrene (EPS) is one of the most economic and cost-effective options for insulating your home. Charlotte, NC 28273, Monday - Saturday: 7 AM - 5 PM First, you need to know the materials. Our expansive warehouse and manufacturing facility combined with experienced personnel assure that you receive the service and prices that you deserve. Deciding which material to use when insulating the walls of your home can be difficult. Polystyrene has a typical R-value of approximately 4.4 per 1″ thickness of material. Due to its molecular makeup, it’s highly resistant to chemicals, UV light, and moisture. In spite of the lesser R-value I recommend going with the polystyrene. As nouns the difference between polyethylene and polystyrene is that polyethylene is (organic compound) a polymer consisting of many ethylene monomers bonded together; used for kitchenware, containers etc while polystyrene is (organic chemistry) a vinylic polymer of styrene, ch 2 chphenyl. PET-G is also used as filament for 3D printing. The most common types of garage door insulation are polyurethane and polystyrene. Your email address will not be published. Polyester Autex Insulation vs Pink Batts Glasswool vs Polystyrene. 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? Posted on June 22, 2018 June 19, 2018 by Pricewise New Zealand. The hard plastic is often used for outdoor furniture, test tubes, glasses, toys, computer housings, utensils, and plastic drinking cups. He distilled oils from the American sweetgum tree, and called the resulting compound styrol oxide. This is one of the reasons why engineers commonly use polystyrene, especially in foam form, to create prototypes – all forms of styrene can be purchased, glued, sanded, cut, and painted very easily. It is a light-weight and rigid foam, which is produced from solid beads of polystyrene. Foamex manufactures expanded polystyrene (EPS) and extruded polystyrene (XPS) products for a broad range of applications such as building construction and including foam wall insulation and architectural profiles, road construction, protective packaging, cold storage and refrigeration, sign writing, displays, and decorative fixtures. Polystyrene and the other rigid insulation products are primarily used in wet applications such as the inside/outside of basement walls and floors. It is a lightweight, rigid and closed cell insulation. Expanded Polystyrene has been used for approximately 50 years. Available in varying thicknesses with insulation values ranging from R2 to R10, polystyrene is a great value if thickness and R values are not a limiting factor in your decision. Polyethylene is also quite durable, making some of its forms popular for packaging heavy items, and other forms ideal for sheer impact resistance. We are open & shipping products during the COVID-19 pandemic. 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