KINGDELI Silicone Sealant for Metal Roof
KINGDELI Silicone Sealant for Metal Roof
KINGDELI silicone sealant for metal roof is engineered to provide long-lasting, reliable protection for metal roofing systems. Designed as a neutral-cure silicone, it bonds strongly to galvanized steel, aluminum, painted metal and most roofing substrates without corroding metal surfaces. Ideal for sealing seams, fastener heads, flashing and penetrations, this sealant resists UV, rain, temperature swings and building movement.
Why choose our metal roof silicone sealant
- Neutral-cure formula: Non-corrosive and safe for all common roof metals.
- Weather and UV resistant: Maintains flexibility and adhesion under sun, rain and freeze-thaw cycles.
- Excellent adhesion: Adheres to clean metal, painted surfaces and many common substrates without primer in most applications.
- Durable elasticity: Accommodates thermal expansion and contraction of metal roofs to prevent re-opening of joints.
- Low-VOC and eco-conscious: Formulated to meet modern indoor and environmental standards.
- Manufacturing trust: Produced by KINGDELI in a 66,000 m2 automated facility with ISO and ASTM-recognized quality.
Typical applications
Use this silicone sealant for metal roof repair and maintenance, including fixing leaks around screw heads, sealing lap seams, securing flashing, sealing vents and skylight perimeters, and bonding trim. It is suitable for commercial, industrial and residential metal roofing.
How to apply
1. Surface prep: Clean surfaces of oil, rust, dirt and loose paint. Degrease where necessary. 2. Apply: Cut nozzle to desired bead size and apply with a caulking gun or sausage applicator. 3. Tooling: Tool within the skin time for neat joints. 4. Cure: Skin forms quickly; full cure depends on joint size and conditions—typically within 24-48 hours. Always follow local safety guidance.
Technical support and quality assurance
As a National High-Tech Enterprise established in 1998, KINGDELI brings 27+ years of experience and global presence in 50+ countries. Our products meet ISO 9001, ISO 14001, CE and ASTM standards and are manufactured at scale with annual capacity over 100,000 tons. We offer OEM/ODM services, low-VOC formulations and professional technical support to ensure the right selection and application for your roofing needs.
Choose KINGDELI silicone sealant for metal roof when you need professional-grade, long-lasting protection that installers and building owners can trust.
Certificate display
VOC
ASTM-C020-2018-HY3300_00
ISO-2023-2026-EN
Frequently Asked Questions
Does HY925 produce bubbles during application?
No. The formula is designed to remain smooth and consistent, minimizing bubble formation during application.
How is the product applied?
HY982 is supplied in bucket packaging and should be applied using a trowel, spatula, or serrated spreader. Stir well before use and spread evenly to ensure full surface contact.
What is the shelf life of the product?
The shelf life is 12 months when stored in unopened cartridges under cool, dry conditions.
Is HY993 suitable for automotive applications?
Yes. It can be used for bonding and sealing in automotive body building and general vehicle applications.
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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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