The concept of cool roof tiles is not new anymore. However, if you still have those generic tiles installed on your rooftop or other exterior surfaces, you must consider renovating your home now. The Indian summer is showing new record-highs every year. So, it’s best to opt for cooling solutions before it gets too late. Cool roof tiles not only keep your homes cooler but also contribute to environmental sustainability. If you are unaware of how these cool roof tiles work and why you should consider installing them, continue reading the blog:
What are Cool Roof Tiles?
Cool roof tiles, aka cooling tiles or cool roof SRI tiles, are designed to keep exterior surfaces cooler and reduce heat penetration into a structure. These tiles have a high solar reflectance, i.e. ability to reflect most of the sunlight, and a high thermal emittance. As a result, these tiles can reduce the surface temperature and reduce heat penetration into the building. Cool roof tiles can help reduce the indoor temperatures, which further reduces the need for air conditioning and lowers energy bills.
How Do Cool Roof Tiles Work?
Cool roof tiles have an additional glaze coating made of materials that can reflect most of the sunlight and emit solar heat. This glaze coating consists alumina silicate fine particles along with other materials compressed under extremely high temperatures to make the surface dense and highly reflective. You can understand them as normal vitrified tiles with an additional layer of glaze to reflect sunlight.
These tiles have a higher SRI (Solar Reflectance Index) compared to generic tiles. Usually, tiles with an SRI above 78 are considered cool roof tiles. However, for maximum effectiveness, you should aim for tiles with an SRI above 90, such as Johnson Endura cool roof tiles. These tiles can reflect up to 75% of the sunlight and emit up to 90% of solar heat, reducing surface temperature by up to 15 percent.
Benefits of Installing Cool Roof Tiles in Indian Homes
The Indian summer is getting unbearable, especially over the last few years. It’s high time to look for roof cooling solutions if you haven’t done that so far. Installing cool roof tiles in your exterior walls, terraces, rooftops, etc, can be the best decision you make if you are planning to renovate your home in 2025. Here are some benefits of installing high-quality cool roof tiles:
1. Reduced Heat and Increased Comfort
Cool roof tiles can keep the interiors cooler by reducing the heat penetration from exterior surfaces. This further results in lower indoor temperatures and increased comfort for the residents. These tiles can naturally reduce the impact of solar heat, allowing people to sit comfortably inside their homes even when it’s 45 degrees outside.
2. Lower Energy Bills
With reduced indoor temperatures, the need for 24*7 air conditioning is reduced. By installing cool roof tiles, you can lower the strain on your air conditioning devices. This further helps reduce energy bills and saves you hefty amounts that you would have paid otherwise. Studies suggest that high-quality cool roof tiles can help you save up to 20 to 30 percent on your electricity bills annually.
3. High Durability & Low Maintenance
Cool roof tiles are made of high-quality materials and compressed under extreme temperatures to make them mechanically strong and less porous. This contributes to the stain and scratch resistance property of cool roof tiles, making them highly durable.
Moreover, these tiles are designed to withstand extreme weather conditions, including heat and excess moisture during the rainy season. So, there is no fear of fading or wearing of these tiles. If you choose high-quality cool roof tiles, you can save a lot on maintenance costs as these tiles are very easy to clean and maintain.
4. Variety in Colors/Designs
Even cool roof tiles are available in a variety of colors in the market today. But keep in mind that white colored cool roof tiles are the most effective as white color has the natural ability to reflect maximum light. However, if you want your exterior walls/rooftop to look unique, you can even go for other light colors, such as beige, cream, ivory, pink, etc.
5. Environmental Benefits
Cool roof tiles are not only beneficial in terms of reduced heat and lower energy bills, but they also offer several environmental benefits. These tiles can reduce the urban heat island effect by reducing the amount of heat absorption by buildings in urban areas. Moreover, as the strain on air conditioning devices is reduced, these tiles also contribute to environmental sustainability by lowering the emission of harmful greenhouse gases.
Choosing High-Quality Cool Roof Tiles for Your Home in 2025
Various tile manufacturers claim to offer cooling tiles today. But when choosing cool roof tiles for your home, be careful enough to choose high-quality tiles from a reputable brand. The tiles should preferably have an SRI above 90. You can consider the cool roof tiles collection from Johnson Endura, where you can find plenty of color options as well. Their cool roof tiles have a high SRI and are designed to offer maximum durability. Do your own research and make the right choice as per your needs.
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