How to Keep Your Home Watertight with Crommelin Exterior Waterproofing?

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When it comes to safeguarding your home, one of the crucial aspects to consider is waterproofing. Water infiltration can lead to serious issues such as mold growth, structural damage, and costly repairs. To ensure your home remains protected from water-related problems, Exterior Waterproofing offers an effective and reliable solution. 

In this guide, we will explore the importance of exterior waterproofing and provide a detailed guide on how to use Exterior Waterproofing to keep your home watertight.

Understanding the Importance of Exterior Waterproofing

Exterior waterproofing is a preventive measure that forms a protective barrier on the exterior surfaces of your home, preventing water from seeping through. By applying a high-quality waterproofing product like Crommelin, you can effectively protect your home from the damaging effects of water, ensuring its longevity and structural integrity.

Identifying Common Water-related Issues in Homes

Before delving into the application process, it’s essential to identify common water-related issues that homeowners often face:

  • Leaky Roofs

Leaky roofs can lead to water penetration during heavy rain, causing damage to ceilings, walls, and even electrical systems. Proper waterproofing can prevent these leaks and protect your home’s interior.

  • Cracked Walls

Cracks in walls provide an entry point for water, which can weaken the structure and create an unhealthy living environment. Exterior waterproofing helps seal these cracks and keeps water at bay.

  • Water Seepage

Water seepage through foundation walls and basement floors is a prevalent issue in many homes. Waterproofing the exterior foundation walls can prevent water from infiltrating your basement.

  • Damp Basements

Persistent dampness in basements can lead to mold growth, affecting indoor air quality and posing health risks. Waterproofing the exterior foundation walls and basement floors is essential to keep your basement dry.

Introducing Crommelin Exterior Waterproofing

Crommelin is a leading brand known for its high-performance waterproofing solutions. Their Exterior Waterproofing product is specially designed to provide long-lasting protection against water intrusion. The product is available in various forms, such as liquid membrane and sheet membrane, making it suitable for different surfaces and applications.

Advantages of Using Exterior Waterproofing

Long-lasting Protection

Exterior Waterproofing offers durable protection, ensuring your home remains watertight for years to come. Its high-quality formulation resists degradation from weather conditions and provides reliable performance.

UV Resistance

Exposure to sunlight can degrade some waterproofing products over time. However, Crommelin Exterior Waterproofing is UV-resistant, maintaining its effectiveness even in harsh sunlight.


Crommelin’s breathable formula allows trapped moisture within walls to escape, preventing issues like efflorescence and ensuring your home’s walls remain in good condition.

Environmentally Friendly

Crommelin is committed to environmental responsibility. Their Exterior Waterproofing product is water-based and low in VOCs (volatile organic compounds), making it safe for both users and the environment.

Step-by-Step Guide: How to Apply Crommelin Exterior Waterproofing

Applying Crommelin Exterior Waterproofing is a straightforward process that, when done correctly, ensures optimal results. Follow these steps for effective application:

Preparing the Surface

Before applying the waterproofing product, the surface must be clean, dry, and free from dust and debris. Use a pressure washer or suitable cleaning agent to remove any dirt or contaminants.

Repairing Cracks and Damage

Inspect the surface for any cracks or damages and repair those using appropriate sealants or fillers. A smooth and even surface is crucial for proper waterproofing.

Priming (if applicable)

Some surfaces may require a primer before applying the waterproofing membrane. Check Crommelin’s product guidelines to determine if a primer is necessary.

Applying the Waterproofing Membrane

Using a brush or roller, apply the Crommelin Exterior Waterproofing product evenly over the surface.

Drying and Curing

Allow the waterproofing membrane sufficient time to dry and cure. This ensures the product forms a robust barrier against water infiltration.

Additional Tips for a Watertight Home

Apart from using Cromwellian Exterior Waterproofing, consider these additional tips to maintain a watertight home:

Proper Drainage System

Ensure your home has an efficient drainage system to redirect water away from the foundation. Clean gutters regularly to prevent clogging.

Regular Maintenance

Inspect your home’s exterior regularly for any signs of water damage or deterioration

Landscaping Considerations

Be mindful of landscaping around your home. Ensure the ground slopes away from the foundation to prevent water from pooling near the walls.

Frequently Asked Questions (FAQs)

Is Crommelin Exterior Waterproofing suitable for all surfaces?

Yes, Crommelin Exterior Waterproofing is versatile and can be applied to various surfaces, including concrete, masonry, brick, and more.

Can I apply Crommelin Exterior Waterproofing myself, or do I need professional help?

Crommelin Exterior Waterproofing is designed for easy application and can be applied by homeowners. However, if you’re unsure or dealing with complex issues, seeking professional assistance is recommended.

How long does Crommelin Exterior Waterproofing last?

When applied correctly, Crommelin Exterior Waterproofing can last up to 10 years or more, depending on environmental conditions and surface maintenance.

Can I paint over the Crommelin waterproofing membrane?

Yes, you can paint over the dried Crommelin waterproofing membrane if desired. Ensure the membrane is thoroughly dry before applying paint.

Is Crommelin Exterior Waterproofing environmentally safe?

Yes, Crommelin Exterior Waterproofing is water-based and low in VOCs, making it safe for the environment and suitable for eco-conscious homeowners.


Keeping your home watertight is essential to protect it from water-related damage and ensure its longevity. Crommelin Exterior Waterproofing offers a reliable and effective solution to safeguard your home from water infiltration. By following the step-by-step guide and implementing additional tips, you can create a watertight barrier and enjoy a safe and secure living space.

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