polyurethane roofing
Jun 24
How Polyurethane Roofing Enhances Energy Efficiency
  • June 26, 2024
  • Linden Polyurethane Team

Save Money by Investing in Polyurethane Roofing

Polyurethane roofing — particularly spray polyurethane foam (SPF) — was popularized in the late 1970s as an energy-efficient solution for roofing applications. Over the decades, it’s proven to be a game-changer for both commercial and residential buildings.

This innovative roofing technology leads to substantial cost savings and environmental benefits, making it a popular choice for many contractors. Here, we’ll explore how polyurethane roofing achieves these impressive results.

Superior Insulation Properties

Spray polyurethane foam enhances energy efficiency through its exceptional insulation properties. This kind of insulation has a high R-value, which helps resist heat flow. Therefore, there is less heat transfer between the building’s interior and exterior environment. In practical terms, this means:

  • During summer, less heat penetrates the building, reducing cooling costs
  • In winter, less heat escapes from the building, lowering heating expenses

The superior insulation provided by polyurethane roofing can lead to energy savings of up to 30% on heating and cooling costs. This significant reduction in energy consumption not only saves money but also reduces the building’s carbon footprint.

Airtight Coverage

Other types of roofing insulation systems may have seams, joints, or multiple layers that can impact their efficacy. Polyurethane roofing creates a seamless surface that eliminates potential air leaks and thermal bridges.

When applied, the liquid polyurethane expands to form a solid layer that encompasses the roof surface, filling in cracks, gaps, and irregularities. This can eliminate air infiltration, which accounts for up to 40% of a building’s energy loss. Additionally, it can prevent moisture intrusion, which may degrade insulation performance over time.

Reflective Properties

Many polyurethane roofing systems are finished with a reflective coating, typically white or light gray. This coating plays a crucial role in enhancing energy efficiency, especially in warmer climates. This reflective surface offers benefits like:

  • Reflects a significant portion of solar radiation, reducing heat absorption.
  • Lowers roof surface temperatures by up to 50° F compared to traditional dark-colored roofs.

By keeping the roof surface cooler the reflective coating reduces the amount of heat transferred into the building. This, in turn, lowers the cooling load on air conditioning systems. Many businesses may see energy savings of 10 to 15% in air-conditioned buildings.

Long-Term Performance and Durability

Polyurethane roofing is an extremely durable material, helping you save money on energy costs and potential replacement costs. Polyurethane foam roofs are known for their longevity, often lasting 20 to 30 years with proper maintenance. Throughout this lifespan, they maintain their insulation properties and structural integrity, ensuring consistent energy efficiency performance.

Moreover, when the protective coating eventually wears down, it can be easily reapplied without replacing the entire roof system. This renewability aspect means the energy-efficient properties of the roof can be maintained indefinitely with periodic recoating. It also leads to less waste compared to traditional roofing systems that require complete tear-offs and replacements.

Versatility and Adaptability

Polyurethane roofing systems can be applied to various roof types and shapes, including flat, low slope, and even curved surfaces. This versatility allows for energy efficiency improvements in a wide range of building types, from commercial warehouses to residential homes. The foam’s ability to conform to irregular shapes also means it can fill in low spots on existing roofs, improving drainage and eliminating water pooling. It can also insulate around roof penetrations like vents, skylights, and HVAC units, reducing thermal weak points. Additionally, it can be applied at varying thicknesses to create proper slope and insulation where needed.

Environmental Benefits

The environmental benefits of polyurethane roofing can’t be understated. As mentioned above, it can lead to reduced energy consumption, which means lower greenhouse gas emissions. Polyurethane roofing systems are even often classified as “sustainable” or “green” roofing solutions due to their energy-saving properties and minimal contribution to waste streams.

Rely on Linden Polyurethane for Trusted Polyurethane Mixing Equipment

If you require polyurethane roofing equipment, trust the experts at Linden Polyurethane. For nearly 40 years, we have designed, engineered, and manufactured polyurethane mixing equipment essential for production and for adding desired characteristics to the material. Our broad portfolio encompasses a variety of equipment necessary for roofing operations, including mix heads, metering systems, bulk storage systems, pentane blowing machinery, and gas infusion equipment and systems.

Every piece of equipment is manufactured according to your specifications and designed to support your production goals now and in the future. We back all of our offerings with the best-in-class service and support, and we can validate ongoing production, conduct feasibility trials, or testing for short-run production in our facility.

We’re here to support your success, no matter your goals, equipment needs, or application. Connect with us today to learn more about our capabilities.


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