When it comes to protecting your home or building from water damage, waterproofing is non-negotiable. But while many property owners understand the importance of waterproofing, mistakes during application or product selection can end up doing more harm than good.

At VS Waterproofing Solutions, we regularly assist clients who’ve faced costly repairs due to common waterproofing mistakes that could have been avoided with the right guidance, materials, and application methods.

Here’s a breakdown of the most frequent mistakes — and how you can avoid them to ensure long-term protection for your property.

1. Ignoring Small Cracks and Surface Preparation

Mistake: Applying waterproofing materials over hairline cracks or dirty, damp, or dusty surfaces.

Why it’s a problem: Even the most high-quality waterproofing product will fail if applied over an unprepared surface. Small cracks act as moisture entry points, and dust or contaminants can prevent proper adhesion.

How to fix it:
✅ Clean all surfaces thoroughly
✅ Repair cracks with suitable fillers or repair mortars
✅ Ensure the area is dry before application

🔧 Need crack repair products or advice? Visit us in-store for expert support.

2. Using the Wrong Waterproofing Product for the Surface

Mistake: Applying one type of product to every surface — e.g., using a cementitious compound on metal or relying solely on waterproof paint.

Why it’s a problem: Waterproofing solutions are not one-size-fits-all. Each surface — whether it’s concrete, metal, brick, or bitumen — requires a specific formula for effective waterproofing.

How to fix it:
✅ Consult with professionals before selecting a product
✅ Match your product to the surface type and environmental exposure

🌟 VS Waterproofing stocks a wide range of solutions, including AquaGard 422, EcoFlex, Aluminium Paint, and more — each designed for specific applications.

3. Skipping Primer or Bonding Agents

Mistake: Applying waterproofing membranes or coatings without using a primer or bonding agent.

Why it’s a problem: Primers and bonding agents like Mortabond or Cemseal are essential for adhesion. Without them, your waterproofing layer may peel or crack prematurely.

How to fix it:
✅ Always use the recommended primer or bonding agent
✅ Ensure compatibility between layers and allow appropriate drying times

4. Applying Waterproofing in the Wrong Weather Conditions

Mistake: Trying to waterproof during rainy, overly humid, or very cold weather.

Why it’s a problem: Moisture in the air or surface can prevent curing or weaken the product’s integrity.

How to fix it:
✅ Always apply in dry, moderate conditions
✅ Follow manufacturer instructions on optimal temperatures and drying times

5. Overlooking Maintenance and Reapplication

Mistake: Believing waterproofing is a once-off solution that lasts forever.

Why it’s a problem: UV exposure, foot traffic, and time naturally wear down even the best products. Without reapplication, your protection weakens.

How to fix it:
✅ Schedule periodic inspections
✅ Reapply as per product lifespan (usually every few years)

🛠 We offer products like Aluminium Paint and Coolcote for long-term protection and reflectivity.

Work Smarter — Not Harder

By avoiding these common mistakes, you’ll not only save time and money but also extend the life of your home or building structure. Whether you’re a DIY homeowner or a contractor, professional advice and quality products make all the difference.

Need help choosing the right product? Want to upskill your team?

📞 Contact our knowledgeable team or visit our store — we’re here to help you get it right the first time.