How are Polyurethane Doors Made?

modern stucco house with green lawn


Choosing a garage door may not seem like a complicated decision, however, there are a few important functions to keep in mind. One of the most important things to consider when choosing your garage door is its insulation. The type of insulation used in the making of your garage door will have a great impact on several things including the cost of heating and cooling your house, the long-term durability of your garage door, and the protection of your garage’s contents from various natural elements.


For premium construction and maximum thermal efficiency, an Overhead Door Thermacore® insulated steel door is the ideal choice. This series of doors feature our sandwich construction of steel-polyurethane-steel as well as between-section seals with thermal breaks to reduce air infiltration. These premium insulated garage doors deliver maximum thermal efficiency, design flexibility, protection from air infiltration and temperature changes.


Investing in polyurethane insulation will yield greater overall savings. Though the density of polyurethane makes it more expensive, it is by far a better insulator than other materials. Because of its density, polyurethane also increases the strength of your garage door adding strength and durability to withstand inclement weather such as intense winds. The benefits of this insulation type also include reduced operational noise. Polyurethane insulation will lessen the sounds and shakiness of your garage door as it opens and closes.


So, how are these supremely insulated garage doors made? Polyurethane foam is made by combining two chemicals, which expand to fill the inside of the garage door panels. As it expands, the polyurethane foam cures to the panels creating unmatched strength and insulation. You can confirm the level of insulation effectiveness by investigating its R-value.


R-value is the measure of thermal resistance to heat flow. Polyurethane contains low-conductivity gas in its cells which aids in high thermal resistance. Depending on the garage door model, Overhead Door’s Thermacore® insulated steel garage doors achieve an R rating from 9.31 to 17.50. Against a variety of other insulation types, polyurethane foam is consistently graded with one of the highest R-values per inch.


With so much research to support its effectiveness, polyurethane is clearly a great choice for those looking to upgrade their garage door. Enjoy working in your garage during cold months without running a space heater non-stop. Even warmer months won’t be so blistering with a top-of-the-line polyurethane insulated garage door. With this simple change, not only are you increasing your property value and appearance, you are taking steps towards greater energy efficiency, saving money, and adding a thoroughly vetted layer of protection to your home.


With countless design, colors and accessory combinations, Overhead Door of Dodge City can help you create a custom Thermacore® garage door to seamless compliment the style of your home. Contact a member of our team today to learn more about the your options, estimated cost, and overall benefits with a Thermacore® polyurethane insulated garage door.



Call: (620) 227-8093