You can possibly reduce your insurance cost and you will not need to use sprinklers inside our walk in coolers! Polyurethane can be found in most refrigerators, freezers, and in some high end personal coolers. Polyurethane is a relatively new product, roughly around 35 years. Polystyrene is a dense closed-cell structure that is very resistant to moisture and holds its R-Value longer than other competing insulations found in walk-ins, such as Polyurethane. Polystyrene has an R value of approx 2 per inch, Polyurethane about 4 per inch. Both polystyrene and polyurethane are made up of polymers. When it comes time to purchase a new garage door, one of the many questions you may come across is, “Do you want your garage door insulated?” If your garage is attached, think of it as an extension of your home. The two most common materials used for garage door insulation are polystyrene and polyurethane. Low efficiency equals Higher Operating Cost! Well, one is polyurethane, and the other is polystyrene. Today’s manufacturer’s often use Polystyrene in 2-layer construction and polyurethane in 3-layer construction. Polyurethane fills the entire panel and makes the garage door panel feel really solid. Polystyrene Chemical Resistance Chart, Inorganic Acids, Organic Acids, Alkalies, Alcohols, Ketones, Esters, Ethers, Hydrocarbons, Miscellaneous Polystyrene is an older polymer than polyurethane, however, polyurethane is quickly becoming the insulation material of choice for overhead sectional garage doors. Expanded Polystyrene has been used for approximately 50 years. What are the differences between polystyrene core and polyurethane cored garage doors? Its lightness makes it easy to handle and install. Polystyrene will melt at temperatures in the 200- to 300-degree range. Steel stiffened hollow metal doors have steel channels that run the full height of the … Lv 4. He graduated from the University of Arizona in 1995 with a bachelor's degree in creative writing. 5. Expanded Polystyrene. R- Value – Polyurethane is the most efficient manmade insulation in the world. This article will help you get the insulation for you by examining their main differences. Polyurethane moulding is made from high-density polyurethane that won’t warp, rot or split. When it comes time to purchase a new garage door, one of the many questions you may come across is, “Do you want your garage door insulated?” If your garage is attached, think of it as an extension of your home. The approximate maximum operating temperature is 80ºC. Polyurethane blanks are also easily shaped, thus making surfboards less expensive than polystyrene since it … Polyurethane is a high-quality garage door insulation, usually in the form of a spray foam. Polyurethane fills the entire panel and makes the garage door panel feel really solid. In fact, polyurethane will remain mostly undamaged by heat until temperatures reach 700 degrees, at which point the material begins to char. He has also published short stories and poems and writes ad copy for various websites. In fact, polyurethane withstands all physical attacks and stresses better than polystyrene. on average for XPS vs. 0.93 lbs. The R-value of a building material measures its thermal resistance. material has similar characteristics to polyurethane with excellent resistance to moisture with a high compressive strength. Moisture Resistance – moisture resistance is a very important factor. 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). Polystyrene does not have the flexibility for these tasks. Polyurethane will not burn on its own, in fact when left to burn the fire will extenguish itself. On the other hand if you want to purchase a product that pays you back in efficiency and longevity Polyurethane is your answer! Trying to find ways to make your home more comfortable and less expensive to heat and cool? XPS & EPS Differentiators. However, there are some aspects that you should keep in mind: Polystyrene is not as easily shaped and cannot be used with polyester resins due to temperature/chemical sensitivity. Unlike polystyrene, which forms a hard plastic, polyurethane's polymers can be arranged differently to create substances with varying degrees of flexibility. The Advantages of Expanded Polystyrene. Fiberglass (or fiber glass)--which consists of extremely fine glass fibers--is one of the most ubiquitous insulation materials. Let’s examine the advantages of each: Polystyrene – Popular because of it’s value and simplicity of installation, polystyrene is the less expensive option of the two. Polystyrene, for instance, is the material used to … Polyurethane will degrade rather than melt with heat. POLYSTYRENE has a R-value as high as R-5 and as low as R-2 per inch. If you have any additional questions, contact our team today at (763) 400-8616 or online! The walk in coolers and walk in freezers that we distribute are made of polyurethane. Anonymous. The approximate maximum operating temperature is 80ºC. Polystyrene prefinished moulding is lightweight and easy to cut using conventional saws, making installation a one-person job. I have fully updated this article, which was originally written a few years ago, and I have added some more illustrations. Polystyrene is an addition polymer that results when styrene monomers interconnect (polymerization). This product will create detailed patterns without the expense of wood. Polystyrene and polyurethane insulation materials sound similar, but they have their differences! Paxton is a trained Montessori instructor who has taught at both the elementary and the secondary levels. The UL Class 1 Rating Means that the polyurethane contained within the panel is not a source for fire. Polystyrene is in the form of sheets, made to fit each section of the garage door. Polyurethane vs Polystyrene for Garage Door Insulation. Polyurethane bonds itself to the outside covering of the panel by its own adhesion process. ... PUR vs EPS Insulated Shipping Coolers: Stop Shipping Overnight, Start Shipping Ground. for EPS). Polyurethane surfboard blanks can be glassed with either polyester or epoxy resin, making it versatile in terms of giving riders more options. There are some products in which the two foams are used in conjunction.