About Sika Top Seal-107 Cementitious Waterproofing Slurry
91 000 74051 SikaTop-107 Seal IN is a two part, acrylic polymer modified cementitious liquid applied waterproofing coating system. It comprises of a liquid polymer and a cement based mix incorporating special admixtures. It is applied to concrete and mortar to prevent water in filtration.
Flexible Two-Component ProtectionSika Top Seal-107 combines a cement-based powder and liquid polymer to form a versatile waterproofing slurry. The mixture is capable of bridging minor cracks up to 0.4 mm and adapts well to movement due to its flexible composition, ensuring long-term protection for concrete structures exposed to intermittent or constant water contact.
Simple Application and Wide CoverageThis easy-to-use product can be applied by brush, roller, or trowel directly onto clean and sound surfaces. Each coat is designed for optimal penetration and coverage, with around 2 kg of material sufficient for two coats per square meter, depending on surface conditions.
Reliable Performance in Demanding ConditionsWith a compressive strength exceeding 20 MPa and strong adhesion to concrete, Sika Top Seal-107 stands up to tough environments. Its alkaline nature and industrial-grade formulation make it suitable for both residential and commercial waterproofing applications in India.
FAQ's of Sika Top Seal-107 Cementitious Waterproofing Slurry:
Q: How do I mix and apply Sika Top Seal-107 Cementitious Waterproofing Slurry?
A: Mix Component A (powder) and Component B (liquid) in a 3.5:1 ratio by weight using a slow-speed mixer until a lump-free slurry is achieved. Apply the mixed slurry with a brush, roller, or trowel over a clean, sound surface, typically in two coats for optimal waterproofing.
Q: What surfaces can I waterproof with Sika Top Seal-107?
A: This product is suitable for waterproofing bathrooms, basements, terraces, balconies, swimming pools, water tanks, and a wide range of concrete structures. It is designed for both positive and negative water pressure situations in new builds or renovation projects.
Q: When is the best time to apply Sika Top Seal-107 slurry?
A: Apply the slurry during mild weather, ideally at temperatures around 27C. Avoid very hot, cold, or rainy conditions. Once mixed, use the product within 30 minutes (pot life) for best results.
Q: Where should Sika Top Seal-107 be stored before use?
A: Store Sika Top Seal-107 in its unopened original packaging in a cool, dry place away from direct sunlight. Proper storage will maintain its shelf life of 12 months from the date of production.
Q: What benefits does Sika Top Seal-107 offer over conventional waterproofing products?
A: Sika Top Seal-107 delivers strong adhesion, excellent crack-bridging up to 0.4 mm, and high compressive strength. Its two-component system and flexible formulation allow for superior waterproofing performance, easy application, and compatibility with various substrates.
Q: What surface preparation is needed before application?
A: Ensure that the substrate is clean, structurally sound, and free from dust, loose particles, oils, or contaminants. Proper surface preparation is essential for optimal adhesion and long-term waterproofing results.
Q: Is Sika Top Seal-107 toxic or hazardous to use?
A: Sika Top Seal-107 is non-toxic during normal use but does contain cement, making it strongly alkaline as a slurry (pH >12). Wear appropriate protective gear during application and follow safety instructions as with all construction-grade materials.