Protect your structures with Dryzone’s cementitious waterproofing—easy to apply, tough on moisture, and perfect for concrete, basements, and walls. Ensure durable, water-tight results.
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Our Valued Clients & Trusted Partners Across the UK
Durable, cement-based waterproofing for concrete surfaces to prevent water ingress and damage.
Provides a tough, crack-resistant layer ideal for basements and retaining walls.
Enhances concrete durability by sealing pores and blocking moisture effectively.
Protects basements from seepage and dampness with reliable cementitious solutions.
Creates a strong barrier against water penetration on various masonry surfaces.
Simple to apply cementitious mix that bonds strongly with surfaces for long-lasting effect.
Flexible cementitious formula prevents cracking and maintains waterproof integrity.
Non-toxic and environmentally safe cementitious waterproofing for sustainable construction.
Ensures durable waterproof protection, extending the lifespan of concrete structures.
Request a sample of our premium cementitious waterproofing to test its effectiveness on your surfaces. Experience easy application, excellent adhesion, and long-lasting moisture protection before committing to a full order.
Our cementitious waterproofing ensures long-lasting protection against water damage for concrete and masonry surfaces.
Simple to apply with excellent adhesion, saving time and labor costs on your waterproofing projects.
Environmentally safe and non-toxic formulas that protect both your structures and the planet.
Flexible cementitious materials that prevent cracking and maintain waterproof integrity over time.
Suitable for basements, walls, roofs, and other concrete surfaces requiring reliable moisture protection.
Affordable waterproofing solutions that deliver high performance without breaking your budget.
Fast drying formula minimizes downtime and speeds up project completion.
Dedicated team offering guidance and support to ensure your waterproofing success.
Premium-grade cementitious waterproofing backed by rigorous testing and customer satisfaction.
Cementitious waterproofing is a reliable, cement-based coating designed to protect concrete and masonry surfaces from water penetration. It forms a strong, durable barrier that resists moisture, cracks, and weather effects. Ideal for basements, walls, roofs, and foundations, this solution is easy to apply, eco-friendly, and cost-effective. It enhances structural longevity by preventing dampness, mold, and corrosion, ensuring your building remains safe and dry for years.
Cementitious waterproofing is one of the most widely used and effective methods for protecting concrete and masonry structures from water ingress. It involves the application of a cement-based coating that penetrates the surface, creating a robust and impermeable barrier against moisture and water damage. This technique is favored for its ease of use, excellent adhesion, and long-lasting results.
How It Works:
Cementitious waterproofing products typically consist of a blend of Portland cement, fine sand, and waterproofing additives. When mixed with water and applied to surfaces, the mixture fills pores and micro-cracks, sealing the substrate. The cementitious layer bonds chemically with the concrete or masonry, creating a tough membrane that resists water penetration while allowing vapor to escape. This breathability prevents pressure buildup and helps maintain the integrity of the structure.
Applications:
This waterproofing method is ideal for a wide range of applications, including:
Basements and underground structures
Water tanks and reservoirs
Roof terraces and balconies
Retaining walls
Foundations and slabs
Swimming pools and fountains
Because of its versatility and durability, cementitious waterproofing is a preferred choice for both new construction and repair work.
Advantages:
Durability: Resistant to harsh weather, freeze-thaw cycles, and chemical attack.
Ease of Application: Can be applied with brushes, rollers, or spray equipment.
Non-toxic and Eco-friendly: Safe for indoor use and environmentally sustainable.
Cost-effective: Affordable material and labor costs, with minimal maintenance required.
Crack Bridging: Some formulations offer flexibility to bridge small cracks and movement.
Fast Setting: Quick drying times allow for faster project completion.
Considerations:
While cementitious waterproofing offers many benefits, proper surface preparation is critical. Surfaces must be clean, sound, and free from dust, grease, or loose particles to ensure maximum adhesion. Additionally, the product is best suited for structures where positive pressure is present, meaning water is on the outer surface pushing inward.
When it comes to protecting your building or infrastructure, choosing the right waterproofing system can significantly impact longevity and maintenance costs. Cementitious waterproofing stands out as a trusted, proven method that combines strength, versatility, and ease of use.
Durable Protection:
Cementitious coatings bond directly to concrete and masonry surfaces, creating a seamless, hard-wearing barrier that withstands water ingress and prevents damage such as spalling, corrosion of reinforcement bars, and mold growth. This protection helps maintain structural integrity over time, saving costly repairs.
Versatility Across Environments:
This type of waterproofing adapts well to both interior and exterior applications. Whether it’s a basement prone to groundwater seepage or a rooftop exposed to rain and UV rays, cementitious waterproofing delivers reliable performance. Its ability to be applied on damp surfaces adds to its versatility, especially for renovation projects.
Environmentally Responsible:
With growing emphasis on sustainable building practices, cementitious waterproofing offers an eco-friendly option. It contains no harmful solvents or VOCs (volatile organic compounds), ensuring safer working conditions and reduced environmental impact.
Economic Benefits:
The low cost of materials combined with straightforward application methods means that cementitious waterproofing is often more affordable than other waterproofing solutions. Its durability and minimal maintenance requirements further reduce lifecycle costs.
Technical Support and Expertise:
Choosing a supplier with technical expertise ensures the right product selection and application techniques, maximizing effectiveness. Many providers offer on-site support, product training, and guidance to ensure successful waterproofing results.
Final Thoughts:
Cementitious waterproofing is an excellent choice for anyone seeking a reliable, long-lasting, and cost-effective solution to protect concrete and masonry structures from water damage. Its proven track record, environmental benefits, and ease of use make it a favorite in the construction and renovation industries.
Cementitious waterproofing is a high-performance, cement-based coating designed to protect concrete and masonry structures from water ingress. The product typically comprises Portland cement, fine aggregates, and waterproofing additives that enhance adhesion and durability. Once mixed with water and applied, it forms a dense, impermeable barrier that seals pores and cracks, preventing moisture penetration. It is ideal for use on basements, water tanks, retaining walls, roofs, and balconies. The coating is breathable, allowing vapor to escape, which prevents pressure buildup and reduces the risk of blistering or peeling. This waterproofing method is favored for its ease of application using brushes, rollers, or spray equipment, and its ability to bond chemically with the substrate ensures a long-lasting, resilient layer. Cementitious waterproofing also offers excellent resistance to freeze-thaw cycles, chemical exposure, and abrasion, making it suitable for harsh environmental conditions. Additionally, it is non-toxic and environmentally friendly, containing no harmful solvents or VOCs, which makes it safe for both indoor and outdoor applications. With proper surface preparation—cleaning, removing loose particles, and ensuring dryness—cementitious waterproofing delivers effective moisture protection that enhances the structural integrity and longevity of buildings.
The key benefits of cementitious waterproofing stem from its composition and method of application. First, it provides a durable and robust moisture barrier that effectively prevents water infiltration in concrete and masonry surfaces. Its cement-based formulation ensures excellent adhesion and strong bonding to substrates, which significantly reduces the risk of delamination or failure. Additionally, this waterproofing method is crack resistant, as certain flexible formulations can bridge minor cracks caused by structural movement or temperature fluctuations. The coating is also breathable, allowing trapped moisture vapor within the substrate to escape, which is essential to prevent pressure buildup that could otherwise damage the structure. Another advantage is its environmental friendliness—free from toxic solvents and low in volatile organic compounds (VOCs), it supports sustainable construction practices. Application is straightforward and adaptable to various surfaces, whether vertical or horizontal, damp or dry. This versatility enables its use in a wide range of projects including basements, roofs, retaining walls, water tanks, and swimming pools. Finally, cementitious waterproofing offers economic benefits by being cost-effective to apply and requiring minimal maintenance, ensuring long-term protection without frequent repairs or replacements.
Applying cementitious waterproofing involves several critical steps to ensure optimum performance and durability. The first step is thorough surface preparation. Surfaces must be clean, free of dust, grease, oil, loose particles, and any contaminants that may affect adhesion. Any cracks or holes should be repaired prior to application. Moisture content in the substrate should be controlled, though cementitious waterproofing can sometimes be applied on slightly damp surfaces, unlike many other systems. Once the surface is ready, the cementitious mix is prepared by combining the dry powder with clean water according to manufacturer instructions to achieve the correct consistency. Application can be done using brushes, rollers, or spray equipment depending on the project scale and surface type. The first coat is applied evenly and allowed to cure partially before the second coat is applied to build a uniform, dense membrane. The total thickness usually ranges from 1 to 3 millimeters, depending on the product and exposure conditions. After application, the surface should be cured appropriately to avoid rapid drying, which can cause cracks. Proper curing enhances the strength and water resistance of the membrane. The result is a seamless, durable coating that effectively blocks water ingress, extends structural life, and maintains aesthetic appeal.
Maintaining cementitious waterproofing is relatively straightforward but important for ensuring long-term effectiveness. Regular inspections should be conducted to identify any signs of damage, cracking, or wear, especially after extreme weather events or structural movement. Cleaning the waterproofed surface to remove dirt, algae, or mold buildup is recommended to preserve its protective qualities. Mild detergents and soft brushes are preferred to avoid damaging the coating. Any small cracks or surface damages should be repaired promptly using compatible repair mortars or sealants to prevent water penetration. Avoid heavy mechanical impact or abrasion on the waterproofed surfaces, as this can compromise the membrane integrity. Additionally, ensure that drainage systems are functioning properly around waterproofed areas to prevent water pooling, which can overload the membrane. Reapplication or touch-ups might be necessary after several years, depending on exposure and wear. By following these maintenance practices, cementitious waterproofing will continue to provide robust moisture protection, preserving the structural integrity and appearance of buildings over time.
Cementitious waterproofing is a cement-based coating applied to concrete and masonry surfaces to prevent water penetration and protect structures from moisture damage.
It is ideal for basements, roofs, walls, water tanks, swimming pools, and foundations, providing effective waterproofing for both interior and exterior surfaces.
It can be applied using brushes, rollers, or spray equipment on clean, prepared surfaces. Typically, two coats are applied for maximum protection.
Yes, unlike many other waterproofing methods, it can be applied on slightly damp surfaces, which makes it versatile for repair and renovation projects.
With proper application and maintenance, it can last 10-20 years or more, depending on environmental conditions and exposure.
Yes, it is generally non-toxic, solvent-free, and contains low or no volatile organic compounds (VOCs), making it safe and environmentally responsible.
Some flexible formulations can bridge minor cracks, but larger or structural cracks require repair before application.
Regular inspections, cleaning to remove dirt or algae, and timely repairs of any damage will help maintain its effectiveness over time.
