KINGDELI Underwater Silicone Sealant for Pools — Reliable Waterproof Repair
KINGDELI Underwater Silicone Sealant for Pools — Fast, Durable, Trusted
KINGDELI's underwater silicone sealant for pools is engineered for homeowners, pool professionals, and facility managers who need a reliable, easy-to-use solution for in-water repairs. Our neutral-cure silicone bonds immediately and cures underwater, sealing leaks, repairing tile joints, and restoring fixtures with a flexible, watertight finish.
Key Features
- Underwater application: cures reliably while submerged — perfect for quick pool repairs.
- Neutral cure & low odor: safe on sensitive surfaces and compatible with most pool finishes.
- Long-lasting waterproof seal: flexible after cure to withstand pool movement and thermal changes.
- Fast adhesion: reduces downtime so pools can be back in use sooner.
- Certified quality: produced in our 66,000 m² Foshan facility and meeting ISO and ASTM standards.
Applications
Use this underwater silicone sealant for pools on tile joints, skimmer fittings, light fixtures, drain covers, and small leaks in concrete or fiberglass pools. It’s ideal for repairs without needing to fully drain the pool, saving time and water.
Why Choose KINGDELI?
Since 1998, KINGDELI has delivered high-performance sealants and adhesives worldwide. With over 27 years of experience, national recognition as a High-Tech Enterprise, and contributions to national standards, we combine manufacturing scale with technical expertise. Our products follow ISO 9001, ISO 14001, CE, and ASTM requirements, ensuring consistent performance you can trust.
Easy Use & Tips
- Clean the area of loose debris before application.
- Apply directly underwater using a cartridge or gun designed for sealants.
- Smooth the bead if needed; allow recommended cure time before full pressure use.
Choose KINGDELI underwater silicone sealant for pools for durable, professional-grade repairs with minimal fuss. Our OEM/ODM support and technical service ensure the right solution for your pool maintenance needs.
Qualification Certificate
ASTM-C020-2018-HY3300_00
VOC
CE-Certificate
Q&A
What packaging formats are available?
HY993 is supplied in 280 ml/300 ml cartridges and 500 ml/600 ml aluminum foil sausage packs.
What is HY994 sealant?
HY994 is a one-component, neutral-cure, silane-modified polyether (MS polymer) sealant. It is paintable, solvent-free, low VOC, and provides excellent adhesion to a wide range of construction materials without a primer.
What type of sealant is this product?
This product is a one-component, neutral-cure silicone sealant designed for high-performance bonding and sealing applications in industrial and construction environments.
Is it waterproof?
Yes. The sealant provides excellent waterproof and leak-proof performance. It penetrates deeply into cracks to seal leaks at the source, not just on the surface.
If you have any questions or concern, please contact us.
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Innovating with Integrity, Bonding the World
Since 1998, KINGDELI has delivered trusted, sustainable sealant solutions that connect industries and inspire progress worldwide.
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