Why Cool Roof Tiles? What To Look For When Buying Them? - Blog
Each day, your roof absorbs the sun’s rays and makes your living space hotter than it should be. Interestingly, some roof tiles are built to perform in a completely unique way. Designed to reflect more sunlight, cool roof tiles help regulate indoor temperatures and cut down on energy usage. The best cool roof tiles will have high solar reflectance and low thermal emissivity. They should be made of materials like ceramic or clay. So, let’s get into the details of what sets cool roof tiles apart and why they function better than conventional tiles.
What Are Cool Roof Tiles?
Cool roof tiles are specially designed roofing materials that work to lower the excessive heat buildup and ensure that the interior spaces remain more comfortable. While most regular roofing materials trap solar heat and radiate it back throughout the day, cool roof tiles take a smarter approach and disrupt this cycle by reflecting a substantial amount of sun rays away from the building. Living in a hot climate means finding ways to stay cool and one of the best decisions you can make, whether for your house or a business property, is to install cool roof tiles. Available in various colours and styles to choose from, these not only serve a useful purpose but also make sure owners can customise their surroundings to maintain their aesthetic appeal without any compromise.
How Do Cool Roof Tiles Work?
Solar Reflectance (SR) is the capability of a material to redirect solar energy away from it, sending it back up into the atmosphere. The SR value ranges between 0 and 1. A reading of 0 means it takes in all energy and 1.0 indicates it reflects all of it. And, the SR of cool roof tiles is higher compared to the traditional roofing solutions, thus keeping your house cooler during scorching days. On the other hand, the concept of Thermal Emittance (TE) describes the measure of how well a surface can send back the heat it has already taken in. The external layer of cooling tiles excels at letting go of the heat they have collected. Thanks to this mechanism, the absorbed heat is quickly dispersed, making sure it does not find its way indoors. To further prevent warmth from seeping into your living area, many cool roof tiles come with an added insulation barrier for enhanced protection. Particularly in areas with harsh climates such as tropical regions, this can have a huge impact.
Benefits Of Cool Roof Tiles
Lower Indoor Temperatures
When it comes to beating the summer heat, cool roof tiles shine by ensuring your home is cooler, often lowering the indoor temperature by as much as 10-15°C. So, it is possible to create a pleasant environment without the need to have your air conditioning or fans running all the time.
Energy Efficiency And Cost Savings
As you rely less on air conditioning, your electricity usage goes down and you will notice a significant drop in your bills. In the grand scheme of things, this strategy helps you keep energy costs in check, saving you money. Now, that is a big perk!
Eco-Friendly And Sustainable
Cool roof tiles play an important role in promoting environmental sustainability too. They minimise energy consumption while simultaneously decreasing the release of greenhouse gases. The urban heat island effect, the phenomenon where cities get much hotter than the nearby rural zones due to surfaces that absorb heat, is also something these cool tiles help alleviate. So, selecting cool roof tiles is an important call you can make to contribute to an eco-conscious and greener future for everyone.
Extended Roof Lifespan
High-quality cool roof tiles hold up exceptionally well. They are engineered to remain sturdy and effective for years to come. The stronger your roof, the less you will have to pull out your wallet for repairs. They stand firm against time and weather, making certain that they are in place for a long time before requiring a replacement.
Increased Property Value
A house equipped with energy-efficient upgrades, especially cool roof tiles, naturally attracts more interest from buyers looking for long-term savings and comfort. If you ever intend to sell your home, a cool roof could serve as a compelling feature that might even help you secure a higher selling price.
What Factors Should You Consider When Purchasing Cool Roof Tiles?
Solar Reflectance Index (SRI) Rating
Before settling on cool roof tiles, you will want to check the Solar Reflectance Index (SRI) because it indicates their cooling efficiency. If you are wondering how an SRI value is established, it all comes down to the roof’s Solar Reflectance (SR) and Thermal Emittance (TE) – two crucial aspects we have already discussed. Higher SRI ratings show better heat-reflective properties. So, look for roof tiles with an SRI of at least 78 or more for maximum cooling benefits.
Materials
Different materials are used to manufacture cool roof tiles and every one of them has distinct advantages. Known for their long lifespan and rustic appeal, clay tiles do not just add character to a space, they also provide excellent heat resistance and insulation. Concrete tiles are budget-friendly ones that offer impressive durability. They give you plenty of colour and finish options to create the look you want. They bring good thermal insulation as well. Lightweight and designed for energy efficiency, ceramic tiles are also a great choice.
Heat Reflective Coating
Many cool roof tiles incorporate a special heat-reflective finish that aids in keeping rooftops cooler. It boosts their effectiveness by pushing infrared radiation away, which is a great bonus for temperature control. So, before making your final pick, take a moment to confirm that the tiles you are considering actually contain this feature.
Durability
No matter the season, your roof is constantly subjected to weather conditions, including intense sunlight, heavy rain and strong winds. So, it is essential to go for cool roof tiles that can endure harsh conditions and last through it all. Sunlight exposure can lead to tile discolouration and premature wear, but by installing UV-resistant roof tiles, you can prolong their appearance for a much longer time. Water-resistant quality in tiles can protect them from moisture damage.
Is Investing in Cool Roof Tiles Worth It?
Absolutely! Cool roof tiles might cost more at first compared to regular roofing materials. However, when you weigh in the long-term savings and gains, that initial price tag starts to look like a wise investment. And whether you need expert advice on tile choices or installation guidance for your space, reach out to us anytime and we will make sure you get all the answers you need. Being the top tile destination in the region, we at Lakshmi Ceraamics are here to do more than just sell you tiles – we are committed to assisting you in selecting options that complement your decor dreams.
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