KINGDELI Exterior Silicone Sealant — Durable Weatherproof Protection
KINGDELI Exterior Silicone Sealant — Reliable Weatherproofing
KINGDELI Exterior Silicone Sealant is a high-performance, neutral-cure silicone designed for durable outdoor sealing. Ideal for windows, doors, curtain walls, facades, and general construction joints, this weatherproof sealant forms a flexible, watertight bond that withstands UV, rain, and temperature changes.
Key Features
- Excellent weather resistance: long-term protection against UV, rain, and extreme temperatures.
- Strong adhesion: bonds to glass, aluminum, metal, ceramics, and many plastics without primer in most cases.
- Neutral cure: low odor, non-corrosive to metals, and safe around coated surfaces.
- Low-VOC formula: environmentally conscious and compliant with modern indoor/outdoor use standards.
- Flexible and durable: accommodates joint movement to prevent cracks and leaks.
Typical Applications
- Window and door perimeter sealing
- Facade and curtain wall joints
- Expansion and control joints in construction
- Sealing around vents, skylights, and exterior trim
Why Choose KINGDELI
Since 1998, KINGDELI has been a leader in high-performance sealants and adhesives. Headquartered in Foshan, China, our 66,000 m² automated facility produces over 100,000 tons annually. As a National High-Tech Enterprise and contributor to GB/T 29755-2013, KINGDELI meets international standards including ISO 9001, ISO 14001, CE, and ASTM. With presence in 50+ countries and full OEM/ODM support, we combine technical expertise with consistent supply and professional service.
Simple Installation Tips
- Ensure surfaces are clean, dry, and free of dust, oil, and old sealant.
- Use masking tape for neat lines and a backer rod for deep joints.
- Apply with a standard caulking gun and smooth with a tooling spatula within the skin time.
- Allow full cure time before exposing to heavy rain or movement (curing varies by temperature and humidity).
Certifications & Support
KINGDELI exterior silicone sealant is formulated for performance and compliance—offering low-VOC options and backed by technical support for architects, contractors, and distributors. For reliable, long-lasting exterior sealing, choose KINGDELI.
Qualification Certificate
CE-Certificate
CE
ASTM-C020-2018-HY3300_00
Frequently Asked Questions
What are the application temperature requirements?
The recommended application temperature range is +5°C to +35°C. Application should be avoided when substrate temperatures are below 4°C or above 40°C.
What is the shelf life of HY994?
When stored in its original, unopened packaging in a dry, ventilated location below 27°C, HY994 has a shelf life of 12months from the manufacturing date.
Can HY925 be used for structural glazing?
No. HY925 is a construction sealant and is not designed for structural glazing applications.
What colors are available?
Standard colors include black, grey, and white. Custom colors can also be produced based on customer requirements.
HY992 Modified Polyurethane Construction Sealant
HY992 Modified Polyurethane Sealant is a one-component, moisture-curing construction sealant designed for professional building and structural sealing applications. It provides excellent adhesion, weather resistance, and durable elasticity, making it suitable for a wide range of construction materials.
The formulation delivers strong bonding performance without corrosion or substrate contamination, while maintaining low VOC content for environmentally responsible construction projects.
HY995 Crystal Clear Ms Polymer Adhesive/Sealant
HY995 Crystal Clear Ms Polymer Adhesive/Sealant is a new generation MS Polymer adhesive / sealant formulated for all bonding and sealing applications where long term reliability is required. It has excellent bonding strength on various materials. It will cure to form a durable, flexible, waterproof seal.
HY997 High-Performance Anti-Microbial MS Polymer Sealant
HY997 MS polymer sealant for is is a premium one-component, neutral-curing modified silane sealant engineered for demanding interior applications. It offers a Class 20 movement capability, ensuring long-lasting flexibility and reliable performance under dynamic joint conditions. Curing at room temperature, HY997 delivers superior anti-microbial and mildew-resistant properties, maintaining hygienic and clean environments over time.
KINGDELI HY732 Professional Acetoxy Cure Silicone Sealant
KINGDELI HY732 is a professional-grade, one-component acetoxy cure silicone sealant designed for fast curing, strong adhesion, and long-lasting flexibility. Ideal for aquariums, glass applications, aluminum doors and windows, kitchens, and bathrooms, it provides reliable sealing performance with excellent anti-fungal protection in high-humidity environments.
Innovating with Integrity, Bonding the World
Since 1998, KINGDELI has delivered trusted, sustainable sealant solutions that connect industries and inspire progress worldwide.
Whatsapp: +8618825946249
Kingdeli
Kingdeli
Kingdeli
Kingdeli
Kingdeli