Liquid-applied membrane waterproofing plays a crucial role in building construction, shielding structures from moisture damage and extending their lifespan. Selecting the appropriate liquid-applied membrane waterproofing system for your project amidst various options can be daunting. In this comprehensive guide, we will delve into different types of liquid-applied membrane waterproofing systems, their benefits, and their optimal applications.
Contents
Types of Liquid-Applied Membranes
Polymer-Modified Cementitious Membranes
Polymer-modified cementitious membranes are a popular choice in waterproofing due to their unique blend of cementitious materials and polymers. Generally, cementitious materials harden by reacting with water in a process called hydration, they can be brittle, prone to cracking, and susceptible to water infiltration. With the combination of compatible elastomeric polymers, the properties of the cement can be enhanced to provide flexibility and crack-bridging while taking advantage of the strength and abrasion resistance of cementitious materials. The combination of the properties of these two materials results in superior waterproofing performance.
Advantages
- Improved waterproofing
- Flexibility
- Crack resistance
- Adhesion
- Faster curing
Suitable for
- Roofs
- Balconies
- Basements
- Wet Areas – Toilet, Balconies, Kitchens, Shower Area
- Swimming pools
Our solution
POLYALK WP: Acrylic, cementitious waterproofing, liquid-applied membrane
Acrylic Waterproofing
Acrylic waterproofing, in its liquid-applied form, involves the use of acrylic-based coatings to create a protective waterproof barrier on various surfaces. They offer excellent elasticity, flexibility, crack-bridging, and adhesion to the concrete substrate. Being ready to use, these coatings are typically easy to apply and can provide effective waterproofing for a variety of applications under the most extreme conditions. They are applied as a liquid, which cures to form a seamless and durable waterproofing layer and takes the form of the substrate leading to excellent finishing and detailing.
Advantages
- Waterproof
- High Elongation and Crack Bridging Ability
- Ease of Application
- Quick Drying
- UV resistance
- Elasticity
Suitable for
- Flat and sloped roofs
- Exterior walls
- Balconies and terraces
- Concrete surfaces
- Wooden decks
- Wet Areas
Our solution
SUNKOTE WP+: 100% acrylic, waterproofing, liquid-applied membrane
Polyurethane Waterproofing
Polyurethane waterproofing, a liquid-applied solution, is primarily composed of polyurethane resins and various additives. These resins, known for their flexibility and durability, are combined with other components to create a viscous liquid that forms a protective barrier. During application, this liquid is spread evenly over the targeted surface using standard construction methods such as brushing, rolling, or spraying. As it cures, the PU waterproofing coating transforms into a seamless, continuous membrane that effectively seals and waterproofs the area.
Advantages
- Waterproof
- High Elongation and Crack Bridging Ability
- Ease of Application
- Quick Drying
- UV resistance
- Elasticity
Suitable for
- Roof decks
- Swimming Pools and Water Bodies
- Podiums and plaza decks
- Exterior walls
- Balconies and terraces
- Below-grade structures
Our solution
SUNPROOF PU1K: Single-component liquid applied polyurethane waterproof and sealing membrane
Polyureas
Polyureas are a preferred choice in waterproofing, renowned for their rapid curing, high tensile strength, and exceptional chemical resistance. The backbone of polyureas are isocyanates, some highly reactive molecules. These molecules react with polyamines to initiate the polymerization process. Polyamines act as chain extenders, enhancing properties like flexibility and elongation.
Advantages
- Rapid curing
- High tensile strength
- Flexibility
- Exceptional chemical resistance
Suitable for
- Roofs
- Balconies and terraces
- Foundation walls
- Crawl spaces
- Tunnels and underground structures
Our solution
FLEXITOP POLYUREA: Two-component, rapid cure, polyurea membrane
Hybrid Polyureas
Hybrid polyureas combine the impressive properties of polyureas with polyurethanes to create a unique class of liquid waterproofing membranes. Unlike pure polyureas, the hybrid ones include additional resins. These resins modify the final polymer structure and introduce different functionalities. With these additional materials, hybrid polyureas can also be tailored to meet specific project requirements.
Advantages
- Balanced strength and flexibility
- Enhanced adhesion
- Chemical resistance
- UV stability
- Tailored properties
Suitable for
- Roofs
- Foundations and basements
- Secondary containment
- Tunnels and underground structures
- Parking decks and plazas
Our solution
FLEXITOP POLYUREA H: Two-component, liquid-applied hybrid polyurea waterproof and sealing membrane
Methyl Methacrylate Liquid Membranes
Methyl Methacrylate(MMA) membranes are formulated with MMA resins, these membranes offer rapid curing, excellent chemical resistance, and high UV stability. Unlike cementitious or some other membranes, MMA undergoes a rapid polymerization triggered by catalysts and accelerators. This creates a highly cross-linked polymer network with excellent chemical resistance and durability.
Advantages
- Fast curing
- Chemical resistance
- High UV stability
- Seamless application
- Crack resistance
- Flexibility
Suitable for
- Bridge Decks
- Roofs
- Foundations and basements
- Tanks and ponds
- Tunnels
- Underground structures
Our solution
SUNDEKOTE MMA: MMA-based, flexible waterproof, and sealing membrane
Conclusion
Waterproofing is a crucial aspect of ensuring the long-term integrity of your property. At Sunanda Global, we are experts in delivering high-quality waterproofing solutions tailored to your project’s needs. Pick the right waterproofing solution now by partnering with Sunanda Global. Contact us today to explore our comprehensive waterproofing solutions and secure the longevity of your construction projects.
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