Ultimate Linings Waterproof Concrete Tank Lining System
Ensuring Durability and Integrity in Water Storage

Revolutionizing Concrete Water Tanks with Ultimate Protection
Ultimate Linings presents a robust waterproofing system for concrete tanks, combining advanced technology and superior materials for unparalleled protection and longevity.
The Ultimate Linings System
- UL XP-421 – 60 mils / 1.50mm: A high-performance pure polyurea, ideal for combating the challenges of water storage, including ponding and the pressure of contained water. Its application ensures a waterproof, enduring layer.
- CU-970 – 20 mils / 0.50mm: A two-component, fast-setting polyurea elastomeric coating. Applied using a roller, squeegee, or trowel, it adds an additional layer of resilience and flexibility.
- UL P616 Epoxy Primer – 7 mils: A foundational two-component high build 100% solids epoxy primer that promotes adhesion and eliminates pinholing, preparing your tank for durable protection.
Why Choose Ultimate Linings?
The Ultimate Linings Waterproofing Concrete Tanks System offers several significant advantages for concrete water tanks compared to other lining materials.
1. Durability and Longevity
The polyurea coatings by Ultimate Linings are exceptionally durable and can withstand harsh weather conditions, extreme temperatures, and mechanical abrasion. It is also resistant to cracking and peeling, providing long-lasting protection for concrete water tanks.
2. Waterproofing and Leak Prevention
The Ultimate Linings waterproofing concrete systems form a seamless, impermeable barrier that prevents water from penetrating the concrete surface. This effectively eliminates leaks and ensures the integrity of the water tank.
3. Chemical Resistance
XP-421 is highly resistant to a wide range of chemicals, including acids, alkalis, and solvents. This makes it an ideal choice for protecting concrete water tanks from chemical contamination.
4. Flexibility and Crack Resistance
The concrete waterproofing systems by Ultimate Linings are a range of flexible materials that can accommodate minor movements and cracks in the concrete substrate without compromising its integrity.
5. Rapid Curing
The Ultimate Linings range of coating systems cures quickly, typically within seconds, allowing for faster completion of the lining project and minimizing downtime for water storage.
6. Adhesion and Bond Strength
The Ultimate Linings P616 Epoxy Primer achieves exceptional adhesion between the concrete and UL Lining System, preventing delamination and peeling.
7. UV Resistance
Polyurea is resistant to ultraviolet radiation, making it suitable for both indoor and outdoor applications. This prevents degradation of the lining over time.
8. Low Maintenance
The completed waterproofing system requires minimal maintenance and can be easily cleaned and inspected, reducing long-term maintenance costs.
9. Environmentally Safe
The Ultimate Linings range of polyurea coatings are solvent-free and zero-VOC, making it a more environmentally safe option compared to traditional solvent-based lining materials.
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Are You a Contractor?
Tank lining projects can provide an additional revenue stream for established coating contractors, concrete specialists and businesses looking to expand into high-performance protective coatings. Ultimate Linings supports professional contractors with high-performance coating materials backed by decades of experience in plural-component spray technology. Whether you already apply polyurea or are investigating adding tank lining systems to your existing services, talk to our team about the opportunities available.
Work with Ultimate Linings for:
- Professional polyurea tank lining systems
- Technical product guidance
- Tank lining system selection support
- Application knowledge
- Plural-component equipment expertise
- Contractor training and technical support
- Access to a broader range of protective coating technologies
Ultimate Linings: A Commitment to Excellence
Ultimate Linings guarantees top-quality and efficient solutions for water storage needs. As a trusted product supplier, we empower our partners with materials, equipment, and technical training, ensuring excellence in every application.
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