Sika Sikasil C Premium Silicone Sealant – Chlorine-Resistant Joint Sealant for Indoor and Outdoor Use
Sika Sikasil C Premium is a high-quality silicone sealant in silk grey, developed specifically for indoor and outdoor applications. Its chlorine resistance makes it particularly suitable for environments with elevated moisture and chemical exposure.
Chlorine-resistant formula for lasting tightness in aggressive environments
Silk grey appearance blends seamlessly with a wide range of surfaces and colour schemes
Easy application thanks to the 300 ml cartridge with precision applicator head
Versatile use as a joint sealant for indoor and outdoor areas
What makes Sikasil C Premium stand out
The combination of chlorine resistance and silk grey colouring makes this silicone an ideal choice for bathrooms, kitchens and exterior façades, where conventional silicones reach their limits. The 300 ml format allows targeted, economical application with no material waste.
Ideal for...
Tradespeople and DIY enthusiasts looking for a reliable joint sealant for areas exposed to moisture and chemicals — for example in bathrooms, saunas, commercial kitchens or exterior joints on façades and windows.
Applying Sikasil C Premium
Thoroughly remove dust, grease and loose particles from the substrate
Apply Sikaprep primer on porous substrates and allow to dry
Apply the silicone directly from the cartridge into the joint
Smooth with a smoothing tool or a finger
Do not put any load on the surface after application
Sika is a Swiss manufacturer of construction and industrial chemicals operating internationally, with a focus on sealants, adhesives and protective coatings. The product portfolio includes silicone sealants, construction adhesives, sealing compounds and speciality chemicals for professional and private applications. Sika products are characterised by high quality standards and field-proven formulations.
Sikasil C Premium is a silicone sealant for indoor and outdoor use, employed particularly in environments exposed to chlorine and moisture, such as bathrooms, kitchens and exterior joints.
Yes, the Sikasil C Premium formula is specifically chlorine-resistant and withstands aggressive media and high moisture without losing elasticity.
Sikasil C Premium is available in silk grey — a neutral colour that adapts flexibly to a wide range of surfaces and interior design concepts.
The product is supplied in a practical 300 ml cartridge that enables precise, economical application directly into the joint.
Yes, the joint sealant is designed for indoor and outdoor use and, thanks to its chlorine resistance, is also suitable for exposed façade and window joints.
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