Durability. Flexibility. Long-Lasting Protection.
Looking for a versatile silicone sealant for structural glazing, weatherproofing and movement joints? SILTECH 617AK is a neutral curing, one-component silicone sealant designed for glass bonding, facade sealing and construction applications. With UV resistance, strong adhesion and long-lasting flexibility, it’s engineered to perform in demanding environments.
for Glazing and Weatherproofing
SILTECH 617 AK
Structural Silicone Sealant

Product
Overview
Properties
Curing at room temperature upon exposure to atmospheric moisture, SILTECH 617AK forms a robust, flexible elastomer. With a temperature range of -50°C to +150°C, it’s built to withstand the toughest conditions while maintaining its integrity.
Why
SILTECH 617AK?
Choose
Structural Silicone for Glazing and Facades
Provides strong adhesion to glass, metal, aluminum and coated plastics.
Weatherproof and UV-Resistant Sealant
Withstands UV exposure, moisture, and temperature variations
(-50°C to +150°C).
Movement Capability for Expansion and Contraction
Accommodates up to 12.5% movement, making it suitable for joints that experience expansion and contraction.
Versatile Application
Accommodates up to 12.5% movement, making it suitable for joints that experience expansion and contraction.
at a Glance
Applications
Structural Glazing
Bonds glass to metal or other substrates in curtain wall systems.
Weather Sealing
Creates watertight and airtight seals for building facades.
Movement Joints
Handles expansion, contraction and vibrations without cracking.
Packaging
Options
SILTECH 617AK is available in sizes to suit projects
of all scales:
-
280ml cartridges - Precision work and smaller applications.
-
600ml sausages – Large-scale sealing projects.
Silicone Sealant for Construction and Structural Glazing
Reliable
SILTECH 617AK represents the pinnacle of silicone sealant technology. Whether you’re tackling large-scale construction, dynamic building joints, or architectural facades, SILTECH 617AK delivers results that stand the test of time. Enhance your projects further with Siltech Tooling Liquid to ensure a professional, polished finish.
Ready to elevate your construction projects?
FAQs
Q: What is the best silicone sealant for glazing?
A: SILTECH 617AK is designed for structural glazing and facade sealing. It provides long-term adhesion to glass and metal, maintaining flexibility and strength in demanding conditions.
Q: Can I paint over SILTECH 617AK?
A: No, SILTECH 617AK cannot be painted due to its neutral curing properties. If you require a paintable sealant, consider an acrylic or hybrid alternative.




