Foundation Sealants: Best Practices and Common Mistakes

A properly sealed foundation is essential for maintaining the structural integrity and longevity of your home or business. Using the right exterior foundation sealer can prevent moisture infiltration, water damage, and structural issues. However, improper application or selecting the wrong foundation sealer for the exterior of your property can lead to costly repairs down the road. In this guide, we’ll cover the best practices for foundation sealing, as well as common mistakes property owners make when attempting to waterproof their foundations.

Best Practices for Sealing a Foundation

1. Choose the Right Sealant

   • Not all exterior foundation waterproofing products are the same. It’s important to select a house foundation sealer that suits your specific needs. Common options include:
     • Urethane Foam Injection: Expands to fill cracks and prevent water seepage.
     • Epoxy Resin Injection: Provides a strong, structural bond for repairing significant cracks.
     • Bituminous Coatings: Asphalt-based and often used for exterior waterproofing applications.
     • Cementitious Sealants: Easy to apply and effective against minor moisture infiltration.

2. Properly Prepare the Surface

   • For the best results:
     • Remove any loose debris from cracks or the foundation surface.
     • Dry the area thoroughly to ensure the sealant adheres properly.
     • Fill any visible cracks before applying a sealant to ensure comprehensive protection.

3. Apply in the Right Conditions

   • Temperature and humidity affect how well a foundation sealer exterior application will bond. Best practices include:
     • Applying sealant during mild temperatures (50-70°F) for optimal curing.
     • Avoiding rainy or excessively humid conditions, which can prevent proper setting.
     • Following manufacturer recommendations for drying times before exposure to moisture

4. Use Proper Application Techniques

   • Each foundation sealer exterior product has specific application instructions. Ensure that:
     • The sealer is applied evenly across the entire surface.
     • Multiple coats are applied if necessary, allowing proper drying time between layers.
     • Special attention is given to foundation cracks, joints, and seams where water intrusion is most likely.

Common Mistakes to Avoid

Many property owners or managers attempt to seal their foundations using store-bought products without proper guidance. While minor cracks can be addressed with DIY solutions, a professional assessment ensures long-term success, especially for significant foundation concerns. Other common mistakes include:

• Ignoring existing cracks instead of repairing them before sealing.
• Using the wrong type of sealant for specific foundation needs.
• Skipping professional help, leading to ineffective waterproofing.

Trust Zander Solutions for Your Foundation Sealing Needs

When it comes to exterior foundation waterproofing products and application, expertise matters. At Zander Solutions, we specialize in high-quality foundation sealing, ensuring your home remains protected from moisture and structural damage.

Contact us today for a consultation and let our team provide the right solution for your foundation sealing needs.