Sikasil C is a single-component silicone sealant formulated for interior and exterior joints in concrete and masonry substrates. The 300 ml cartridge delivers a neutral-curing, elastic seal that remains permanently flexible.
Neutral-curing silicone formula for indoor and outdoor use
Elastic seal accommodates building movement without cracking
Betongrau (concrete grey) blends with cementitious surfaces
300 ml cartridge size suits precision and medium-scale joint sealing
Das zeichnet Sikasil C aus
The sealant combines a neutral curing chemistry with high initial adhesion to concrete and masonry. Unlike acidic silicones, it does not corrode metal substrates or emit strong odours during application, making it suitable for enclosed spaces.
Ideal für...
Construction professionals and DIY installers working on concrete joints, masonry facades, and indoor wet areas. The neutral formulation makes it appropriate for bathrooms, kitchens, and exterior perimeter joints where long-term weather resistance is required.
Anwendung von Sikasil C
Clean the joint surface thoroughly, removing dust, grease, and loose particles
Apply a continuous bead of sealant along the prepared joint
Tool the bead to the desired profile using a spatula or finger
Allow 300 hours for skin formation before exposing to water
Sika is a Swiss specialty chemicals company with a strong presence in construction and industrial sealing. The Sikasil C line is a neutral-curing silicone sealant range designed for concrete and masonry joints in both interior and exterior applications. Products in this line are recognized for their elastic, long-lasting seals and compatibility with a wide range of building substrates.
Sikasil C is a neutral-curing silicone sealant used for filling and sealing joints in concrete, masonry, and other cementitious substrates, both indoors and outdoors.
Yes. Sikasil C is specifically formulated for adhesion to concrete and masonry surfaces, making it a primary choice for construction joint sealing.
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