Joint Sealing: Protecting Structural Integrity
Joint sealing is crucial for maintaining the structural integrity of buildings and infrastructure. At DNA Waterproofing, we provide professional joint sealing solutions for concrete expansion joints, construction joints, and other critical areas throughout New Zealand.
The Importance of Effective Joint Sealing
Joints in concrete and other building materials are susceptible to movement, which can lead to cracks and water ingress. Effective joint sealing prevents these issues, ensuring:
- Protection against water damage.
- Prevention of structural deterioration.
- Enhanced durability and longevity.
- Reduced maintenance costs.
- Maintaining building aesthetics.

The Importance of Effective Joint Sealing
We offer a comprehensive range of joint sealing services, including:
- Concrete Expansion Joint Sealing: Sealing joints that accommodate thermal expansion and contraction.
- Construction Joint Sealing: Protecting joints between different concrete pours.
- Movement Joint Sealing: Sealing joints that accommodate structural movement.
- Perimeter Joint Sealing: Sealing joints between different building materials.
Types of Sealants Used
We utilise high-performance flexible sealants, including:
- Polyurethane Sealants: Known for their excellent flexibility and durability.
- Silicone Sealants: Providing superior weather resistance.
- Polysulphide Sealants: Offering robust protection for demanding applications.
Why Choose DNA Waterproofing for Joint Sealing?
At DNA Waterproofing, we are committed to delivering reliable and long-lasting joint sealing solutions. We offer:
- Experienced Technicians: Our team has extensive expertise in joint sealing applications.
- Quality Materials: We use only premium sealants from trusted manufacturers.
- Comprehensive Warranties: We stand behind our workmanship with industry-leading warranties.
- Local Expertise: We understand the specific environmental conditions in New Zealand.