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How To Choose Heat Resistant Paint For Exterior Walls

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Paints are no longer limited to the mere act of coloring walls and presenting them as visually appealing exteriors. Heat-resistant coatings, renewable raw materials, and regenerative design are among the options that have been made possible by recent technological advancements and increased awareness of sustainable construction standards. In contemporary construction, heat-resistant paints are a favored choice due to their reduced consumption of energy and endurance, which safeguards spaces from the harsh effects of the climate and weather. In this blog, we'll address in great detail the advantages of heat-resistant paint and what the future holds for contemporary households.

In this blog, we'll address in great detail the advantages of heat-resistant paint and what the future holds for contemporary households.

What is Heat Resistant Paint?

Heat resistant paint is a meticulously formulated coating designed to protect homes from harsh weather, excessive heat absorption, UV rays and thermal degradation, in turn creating a cooler interior environment for homeowners. In comparison to regular exterior paints, heat proof paints prevent heat build up by reflecting sunlight and reducing surface temperatures, making it an ideal choice for sunny and tropical climates, especially regions in India. These heat retardant paints reduce the need for air conditioning as well, saving you hefty electricity bills during summers.

Why Do You Need Heat Proof Paint for Exterior Walls?

In India, heat is not an occasional guest. With summer as the longest season here and tropical climate dominating regions, heat retardant paints are essential for exterior walls to protect them from excessive heat absorption. Excessive heat causes thermal expansion and contraction, leading to cracks and bridges in exterior walls. External walls are shielded from thermal deterioration by heat-resistant paints. By keeping interiors colder and lowering the demand for air conditioning, it also improves energy efficiency. All things considered, heat-resistant paints make walls more resilient and guard against fading, UV rays, and normal wear and tear.

Key Features to Look for in Heat Retardant Paint

As a homeowner, you need to be well aware of the features to look for in heat proof paints before making a purchase. From weather resistance to longevity and efficiency, the best heat retardant paint ticks all the checkboxes listed below.

1. High Temperature Resistance

Always choose heat proof paints that boast of high temperature resistance ranging from 100 degree celsius to 600 degree celsius. Nerolac Aluminium Paint has a good resistance of up to 250 degree celsius.A good heat resistant paint withstands cracking, fading and peeling under high temperatures.

2. UV Protection

Since exteriors are exposed to harsh sun rays, a good heat retardant paint is UV-resistant and prevents thermal degradation and fading of walls.

3. Weather Durability

Make sure that your heat-resistant paint will hold up well in severe weather. Long-term protection against moisture, mildew, cracking, fading, and pollution can be achieved by investing in a long-lasting heat-resistant paint.

4. Energy Efficiency

An energy efficient, heat proof paint reduces surface temperature and reduces the need for excessive air conditioning, leading to lesser electricity bills. Thermal insulating paints are the way for the future.

Also Read: What Are Warm Colours?

How to apply heat proof paints for best results

To achieve long-lasting adherence and durability, heat-proof paints must be applied with great care. If you want your external walls to be completely secured, you need to follow a certain procedure.

Apply a heat-resistant primer to your surface, clean it of dust and grease, then use external wall putty to fix any molds or cracks.
Select the appropriate equipment, such as rollers and sprayers for broad areas and brushes for smaller ones.
Paint should be applied in even layers. Make sure you apply a second coat after the first one dries and use long, even strokes.
Allow coats to dry for 4-6 hours each before the next application. Ensure protection from extreme heat or humidity. Curing takes at least one to two days.
Maintain your paint with occasional cleaning and touch ups. Always check for debris, dirt, cracking and peeling before extreme damage.

Also Read: 4 Paint Colours to Warm Your Home

Best Types of Heat Resistant Paint for Exterior Walls

There are various types of heat retardant paints for exterior walls for homeowners to know of.

Solar-reflective paints - Ideal for hot and sunny climates and reduces surface temperatures
Silicone-based heat resistant paints - Ideal for temperatures up to 600 degree celsius.Commonly used in factories, industrial buildings and metallic surfaces. Nerolac Aluminium Paint works well on metallic surfaces providing a high standard of protection to steel with a brilliant metallic finish.
Ceramic-based thermal insulating paints - Contain ceramic microspheres that provide insulation and reduce heat penetration. It is also water-resistant.
Acrylic weather-resistant paint - Nerolac Perma No Damp+ is a high strength acrylic PU water-resistant coating that offers heat and water resistance. It offers up to 14 degrees of surface temperature reduction and up to 12 years of waterproof protection.
Epoxy-based heat resistant paint - Perfect for industrial settings, such a heat resistant paint is for surfaces exposed to heat and chemicals constantly.

Now that you have learnt all about heat proof paints, we leave you with two industry standard products that will help you protect your exterior surfaces from harsh weather conditions. Nerolac Perma No Damp+ is an acrylic waterproof coating that is also a heat resistant paint that works well with your exterior walls dwelling in Indian climates. Whereas Nerolac Aluminium Paint offers a high standard of steel protection to metallic surfaces with a brilliant finish. For general exterior walls, it is best to choose a simple acrylic weather resistance paint like Nerolac Perma No Damp+ that is designed to operate in Indian climates and to protect your family from excessive heat build up.