Does Heat Reflective Roof Paint Work?

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Heat Reflective Roof Paints that reflect heat are becoming increasingly popular among builders and homeowners. It is used to reflect sunlight on the roof, prevents it from absorbing heat, usually from a dark roof, and has many advantages over its use.

In recent years, there has been growing concern about climate change and rising energy prices. In response, a revolutionary product was created. Since then, it has taken the paint industry by storm. We are of course talking about roof paint that reflects heat. And in this post, we'll take a closer look at what it is and whether it really works.
What is Heat Reflective Paint?
Heat Reflective Paint is useful for cooling your roof. This is due to the ability of paint to reflect solar radiation. It dissipates solar heat, removing excess heat before entering the building. As a result, your building may benefit from better insulation.

There are several benefits to using Heat Reflective Paint. This helps to insulate your roof as it protects against thermal shock and rust. It also reduces leakage. Having a Heat Reflective Paint can add value to your building as ...
... well.

When you use heat-reflecting paint, you will realize that you do not need to use air conditioning frequently. This can save you up to 40% on your utility bill or reduce your energy consumption by up to 25%. It can also reduce carbon dioxide emissions. According to some estimates, the average Australian family has 18 tons of carbon dioxide.

Plus, this type of paint will make your building last longer. For those who are more environmentally conscious, this heat reflecting paint makes it a more durable option.
How do you apply cool paint to a roof?

Clean and wipe the surface with water to completely remove dirt, loose particles and dust
Wash the surface thoroughly and let it dry. Don't save water
Stir in the paste. [Add water as required (approximately 20% - 25%), no primer required]
Apply the first coat of heat-reflecting paint with a brush/roller / spray gun
Let the surface dry for 3 to 4 hours. (Until completely dry)
Then apply another coat and let it dry for 48 hours

Reflective paint keeps buildings cool & lowers AC bills
Studies show that recently developed Heat Reflective Paint can help keep buildings cool by reducing the surface temperature of exterior walls to 28 ° F (15.6 C), reducing the need for air conditioning, which is about 15 per cent in the United States. % Of energy consumption.

When we studied these heat-reflecting paints at Columbia and Howard University and found that they offered significantly lower cooling costs, we immediately suspected that they had a striking resemblance to bogus insulating paints developed by NASA. (Read more here). Heat. Claim damage and replacement of insulation. But there seems to be merit in that.

Sometimes it's a whole bunch of new green-building products and trends, but other times they're really game changers. It’s too early for any of us to stand firmly behind him (or stay away from ourselves), but it looks promising.
How does this Heat Reflective Paint work?
To better understand how heat-reflecting paint works, we must first discuss the energy spectrum. Is the spectrum of energy emitted from the sun. There is another that comes from the earth as well as building materials. All objects emit different amounts of energy.

Solar energy is spread across the visible and invisible (infrared) spectrum. Items found in your home are in the middle of the spectrum and at the very ends. Heat-reflecting paint works by interfering with the normal transfer of energy.

Using light colors to reflect heat and keep the thermal mass cool in hot weather is nothing new. Villas are prime examples in Spain and Greece, where white has been the mainstay of the natural coolness of homes and buildings for centuries. LEED (29 SRI - Solar Reflectivity Index) for domestic rating systems for roofs of buildings that meet specific reflectivity criteria.

What’s new is that it’s a double-layer Heat Reflective Paint, so it has heat-reflecting properties, including whitening but not so limited.

Heat Reflective Paint has an upper layer that provides color options and an underlayer that reflects shorter infrared wavelengths from close range, thus lowering the wall surface temperature. While the intended use is not limited to homes and commercial buildings, such as data centers with heavy cooling loads, they can also be used for electric vehicles, with significant consequences. Reducing the need for cabin cooling can lead to a wider range of optimal EVs, making them more preferred than cars running on gas.
How is energy transferred?
Energy is transferred in three different ways: conduction, convection and radiation. Each energy transfer can be resisted by insulation R-value, air-tightness layers and radiant barrier, respectively.

Each energy transfer can affect the energy efficiency of the floor, walls and roof of a building. Glossy barriers can include metal surfaces, low-e film and white paint.

As you may already know, high solar reflections in white reduce the absorption of direct energy from the sun. This is called the albedo effect. Therefore, it is safe to say that white Heat Reflective Paint helps to save energy.

The sun transfers energy to the earth in the form of solar radiation. In turn, the earth releases heat back into outer space. However, the sun provides energy to buildings for a few hours a day. Therefore, homes need more to provide a comfortable room temperature around the clock. Heat-reflecting roof paint can make a big difference in this area.

What difference does it make if the house has cold walls? The exterior walls of many homes are dark. While this may sound attractive, color is not an ideal choice in terms of energy efficiency.

Simply put, dark colors absorb heat. Paint the exterior walls with heat-reflecting paint that absorbs less heat. As a result, even if the walls are dark, the heat-reflecting coating will reduce thermal shock.

Protexion is a specialized solution provider in India for industrial coatings, Heat Reflective Coating, all types of waterproofing and flooring suppliers and service providers. Engaged in the supply and application of polymeric based high-performance coatings, waterproofing and flooring solutions for high-end engineering applications.

We deal in a wide range of protective coatings, flooring solutions, waterproofing and coating products for a variety of applications. We provide protective and custom coating for industrial and commercial applications. All products are unique in their own class and offer "techno-commercial" benefits, including value addition and cost savings.

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