The Sika Sikasil C is a single-component silicone sealant designed for professional and DIY applications in building and construction. It provides reliable, flexible, and durable sealing across a wide range of surfaces and environments.
Black silicone sealant for visible and discreet joints
300 ml cartridge — sufficient for multiple standard sealing tasks
Flexible cure accommodates building movement without cracking
Easy to apply with standard caulking gun
What makes the Sika Sikasil C stand out
As a professional-grade silicone sealant from Sika, the Sikasil C delivers consistent performance on common building materials including concrete, brick, ceramic tiles, glass, and coated surfaces. Its neutral curing formula minimises odour and makes it suitable for indoor use where ventilation may be limited.
Ideal for...
Building professionals, tradespeople, and DIY enthusiasts who need a dependable black silicone sealant for joints and gaps in kitchens, bathrooms, facades, and general construction. The 300 ml size is well-suited for medium-scale sealing jobs without requiring bulk packaging.
Application of Sika Sikasil C
Clean the substrate thoroughly — remove dust, grease, and loose particles
Apply a continuous bead along the joint using a caulking gun
Smooth the bead with a fingertip or tool to achieve the desired profile
Allow to cure according to ambient conditions — typically within 24 hours for surface skin
Sika is a global Swiss manufacturer of chemical products for the building and construction industry, offering sealants, adhesives, and protective coatings. The Sikasil C line is a core product family within their silicone sealant portfolio, widely used by professionals and DIYers across Europe.
The Sikasil C is a silicone sealant used for sealing joints and gaps in building construction — kitchens, bathrooms, facades, and other surfaces where a flexible, durable black seal is required.
It adheres to common building materials including concrete, brick, ceramic tiles, glass, and coated surfaces. The substrate must be clean, dry, and free of dust, grease, and loose particles before application.
Product type: silicone sealant. Colour: black. Volume: 300 ml. Weight: 0.373 kg. Cure type: neutral (low odour). No warranty period specified by the manufacturer for this product.
One Sika Sikasil C silicone sealant cartridge, 300 ml, black. A standard caulking gun is not included and must be sourced separately if not already available.
Store the cartridge in a cool, dry place away from direct sunlight and frost. Keep the nozzle clean after each use to prevent clogging. Shelf life information is not specified in the manufacturer data for this product.
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