How Long Does Heat Proofing Chemical Last After Application?

If you live in a region where summers are scorching, like many cities in Pakistan, you’ve probably experienced your home turning into an oven, especially during peak noon hours. Whether you live in a top-floor apartment or a standalone house, the heat from your roof makes its way indoors, raising temperatures and energy bills. One solution that’s become increasingly popular in recent years is roof heat proofing using special chemicals. But once you apply a heat proofing chemical​, a common question is: How long does it actually last? After all, you’re investing your money and time—so it’s only fair to want long-term benefits.

Let’s explore how heat proofing chemical​ work, how long they last, and what role professional services like Lakhwa Chemical Services play in ensuring lasting protection.

What Is Heat Proofing Chemical?

Before we talk about lifespan, it’s important to understand what heat proofing chemical​ actually is.

In simple terms, heat proofing chemical​ is a specially formulated coating that is applied to the roof (and sometimes walls) to reflect sunlight and reduce heat absorption. These coatings are usually white or light-colored and contain reflective pigments that deflect UV rays.

Some heat proofing products also have waterproofing qualities, offering double protection—against heat in summer and rain during monsoons. In Pakistan’s climate, this combination is incredibly valuable.

How Long Does Heat Proofing Chemical Last?

The answer to this question depends on a few key factors:

1. Quality of the Product

Not all heat proofing chemicals are created equal. High-quality products—such as those used by Lakhwa Chemical Services—are designed to withstand intense sun, rain, and dust without breaking down quickly.

A good-quality heat proofing chemical, when applied correctly, can last anywhere from 5 to 10 years. Some may even last longer with proper care and minimal wear and tear.

2. Application Method

Proper application is critical. If the roof isn’t cleaned, repaired, or primed properly before application, the chemical won’t bond well with the surface, and the coating might start to peel or crack prematurely.

That’s where professional applicators come in. Lakhwa Chemical Services, for example, follows a detailed process that includes:

• Cleaning the roof

• Sealing cracks and joints

• Applying base and top coats in multiple layers

• Ensuring even coverage and correct drying time

This attention to detail significantly extends the lifespan of the coating.

3. Weather Conditions

In extremely harsh climates—like the blazing sun of Karachi or the unpredictable monsoon of Lahore—the chemical may degrade faster if not properly maintained. However, premium-grade coatings are designed with this challenge in mind and perform well under local conditions for many years.

4. Foot Traffic and Roof Use

If your roof is used frequently—for laundry, storage, or gatherings—wear and tear is natural. Constant foot traffic can weaken the coating over time. In such cases, the lifespan might shorten to 4–6 years unless the surface is retreated or reinforced periodically.

Signs It’s Time to Reapply

Even the best chemical coatings won’t last forever. Here are a few signs that it might be time to reapply or touch up:

• The roof surface starts to look dull or patchy

• You notice water leaks or damp spots after rain

• Surface cracks begin to appear in the coating

• Indoor temperatures are rising again despite having the coating

• You see signs of peeling or flaking

If any of these symptoms appear, it’s a good idea to schedule an inspection. Lakhwa Chemical Services offers follow-up support and can help determine whether a full reapplication or a partial touch-up is needed.

How to Extend the Life of Heat Proofing Coating

Just like anything else in your home, a bit of maintenance goes a long way. Here are a few practical tips:

✅ Keep the Roof Clean

Dirt and dust can reduce the reflectivity of the coating. Regular cleaning helps maintain its performance.

✅ Avoid Harsh Chemical Cleaners

Use mild soap and water. Avoid harsh chemicals or pressure washing, which can damage the coating.

✅ Limit Foot Traffic

Try to minimize walking or dragging objects across the roof. If regular use is necessary, consider placing protective mats in frequently used areas.

✅ Schedule Annual Check-Ups

Companies like Lakhwa Chemical Services offer inspection and maintenance plans. A yearly check can catch minor issues before they become costly problems.

Why Choose Lakhwa Chemical Services?

If you want a long-lasting solution, the product matters—but so does the service. Lakhwa Chemical Services is a trusted name in Pakistan for heat proofing and waterproofing solutions. They’ve worked with thousands of residential, commercial, and industrial clients.

What sets them apart?

• High-quality, weather-resistant chemicals

• Skilled and trained application teams

• Competitive pricing and free site surveys

• Post-application support and guidance

They don’t just sell a product—they provide a solution that is tailored to your specific roof, climate, and usage.

Final Thoughts

To wrap it up, a properly applied heat proofing chemical can last 5 to 10 years or more, depending on quality, weather, and maintenance. It’s a smart investment—reducing heat, cutting electricity bills, and protecting your structure from the elements.

But like any investment, the results depend on how it’s done. Choosing the right product and the right professionals—like Lakhwa Chemical Services—can make all the difference in how long your roof stays protected.

So if you’re planning to beat the heat this year, don’t wait until the peak of summer. Reach out to a trusted heat proofing provider, schedule a roof inspection, and take the first step toward a cooler, more comfortable home.

Frequently Ask Questions

Q. What is the cost of heat proofing chemical?

A. The cost of heat proofing chemicals in Pakistan typically ranges from PKR 25 to PKR 80 per square foot, depending on the quality of the product, the surface area, and labor involved. For exact pricing and a site evaluation, it’s best to consult professionals like Lakhwa Chemical Services, who offer both material and expert application.

Q. How to make a roof heat proof in Pakistan?

A. To heat proof a roof in Pakistan, follow these steps:

• Clean the roof surface thoroughly

• Seal cracks or leaks with waterproofing materials

• Apply a primer coat if required

• Apply a high-quality heat reflective chemical coating

• Let the coating dry and cure for best results
  For long-term protection and professional results, companies like Lakhwa Chemical Services offer customized roof heat proofing solutions.

Q. Which is the best waterproofing chemical for roofs?

A. The best waterproofing chemicals for roofs include:

• Bitumen-based coatings

• Acrylic waterproofing emulsions

• Polyurethane coatings

• Elastomeric roof sealants
  In Pakistan, Lakhwa Chemical Services provides top-tier waterproofing products that are UV-resistant, flexible, and ideal for concrete or metal roofs.

Q. What type of coating is most resistant to high heat?

A. Silicone-based and ceramic reflective coatings are highly resistant to extreme heat and UV rays. These coatings maintain performance under continuous exposure to sunlight and high temperatures, making them ideal for roof and industrial use.

Q. Is powder coat heat proof?

A. Powder coating has decent heat resistance and can withstand temperatures up to 200°C (392°F), depending on the formulation. However, it is more commonly used for metal parts and machinery—not roofs. For roofing, reflective liquid coatings are more suitable.

Q. Which epoxy is heat-resistant?

A. High-temperature epoxy resins can withstand up to 250°C (482°F) and are used in industrial, automotive, or electronics applications. For construction or roofing, heat-resistant epoxy sealants are used primarily for crack filling and sealing before applying heat proof coatings.