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How Sandwich Panels can mitigate the Urban Heat Island Effect this summer

Summer brings high temperatures and challenges for urban areas, especially due to the phenomenon known as the urban heat island. This effect turns cities into significantly warmer areas than their rural surroundings, affecting the health and well-being of their inhabitants. At Panel Sandwich Group, we understand the importance of mitigating these effects, which is why we offer innovative and sustainable solutions against the heat island effect, such as Green Roofs and Cool Roofs.

What is the Urban Heat Island?

The urban heat island refers to the tendency of cities to be warmer than their rural surroundings. This effect is especially pronounced in large cities like Madrid or Barcelona, where high population density and massive construction contribute to the increase in temperatures. This increase is due to several factors:

  • Construction materials: asphalt, cement, and concrete absorb solar radiation and heat the environment.
  • Lack of Green Areas: the absence of vegetation reduces evapotranspiration, which helps cool the environment.
  • Urban design: tall buildings hinder wind circulation, preventing heat dispersion.
  • Human activity: industry, transportation, and domestic energy use increase heat emissions.

Insulated Green RoofsHeat Island Graphic

Urban heat islands result in poor air and water quality and increase greenhouse gas emissions, exacerbating heat waves. These conditions can have adverse health effects, including respiratory difficulties, dehydration, and exhaustion.

Solutions to combat the Effect

One of the most effective solutions to mitigate the heat island effect is the implementation of green roofs. At Panel Sandwich Group, we offer an innovative system that integrates the sandwich panel with elements of a semi-intensive or extensive roof, making the roofs suitable for vegetation. The plants not only beautify the environment but also absorb carbon dioxide and reduce heat in the surrounding areas.

Cool Roofs are another viable solution. These roofs are made with materials or coatings that have a high albedo, meaning they can reflect a large amount of solar radiation. This feature helps keep building temperatures lower, reducing the need for air conditioning and thus energy consumption. Additionally, cool roofs have a high thermal emittance, allowing them to efficiently radiate absorbed solar energy.

Benefits of Cool Roofs

  • Lower energy use: by reflecting more sunlight and heat, cool roofs help keep buildings cool, decreasing the use of air conditioning.
  • Reduction in air pollution and greenhouse gas emissions: less energy consumption translates to fewer pollutant emissions.
  • Improved health and comfort: Keeping interiors cooler helps prevent heat-related health issues.

Additionally, for projects requiring special thermal requirements, we offer the best Cold Storage Panels on the market.

Sandwich Panel: the Ideal Summer Option

At Panel Sandwich Group, we offer sandwich panels with UV-resistant coating that reflect a significant portion of solar radiation. These panels are equipped with an ultra-thin membrane that increases their solar reflection and emissivity by up to 62%. As a result, roofs stay cooler, insulation works better, and greater energy savings are achieved.

In summary, the urban heat island effect is a significant challenge every summer, but with the right solutions, it can be addressed. At Panel Sandwich Group, we are committed to sustainability and comfort, offering products that not only improve energy efficiency but also contribute to a healthier and more livable urban environment. For this summer, consider our sandwich panels as an investment in well-being and sustainability.


To learn more about our innovative products and solutions, we invite you to visit our website. If you would like to request a personalized quote, use our price calculator or contact us directly at +1 904 512-3122. We are here to help you improve the energy efficiency and comfort of your projects.