TOP490N is a one-part, neutral-cure silicone sealant designed for weatherproofing joints in glazing and façade systems.
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Reliable perimeter sealing for glazing and façade applications.
TOP490N Silicone Sealant is formulated to deliver consistent adhesion and elasticity in construction applications that require weather resistance and material compatibility. The sealant cures upon exposure to atmospheric moisture, forming a durable, rubber-like seal.
Its high-modulus properties help it maintain joint integrity under movement and external stress. It is well-suited for field-applied sealing where long-term retention of elasticity and adhesion is important.
Material Compatibility
Environmental Resistance
Ease of Use
TOP490N Silicone Sealant is available in:
TOP490N Silicone Sealant is available in:
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