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Power Tools Direct£4.34Visit shop Sikasil Sika S50 Acetoxy Sanitary Silicone Sealant Translucent 310 Ml
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B&Q£8.99Visit shop B&Q - Sikasil S50 Sanitary Silicone SealantTranslucent310MlAnti-MouldFlexible & Long-Lasting Bathroom & Kitchen Sealant
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The Sikasil S50 Sanitary Silicone Sealant is a high-performance solution designed for professional contractors and DIY enthusiasts who need a reliable, watertight seal in damp environments like bathrooms and kitchens. Its primary benefit is a powerful anti-fungal formula that actively inhibits mould and mildew, ensuring long-term hygiene and aesthetics; however, users should be aware that because it is an acetoxy-curing sealant, it releases a vinegar-like odor during application and is not suitable for use on certain porous or metallic surfaces.
| Model Part Number | 835390 |
|---|---|
| Brand | Sikasil |
It is not recommended for porous natural stone as the acetoxy cure may cause staining or discoloration.
The sealant will form a skin in approximately 10-15 minutes and cures fully at a rate of 2-3mm per day depending on temperature and humidity.
No, silicone sealants cannot be painted. The paint will not adhere to the silicone surface.
Sikasil S50 is intended for sanitary applications; check specific manufacturer instructions if you require a food-safe or aquarium-safe grade.
Check that the gap is not too deep (max 10-12mm recommended) and ensure there is adequate airflow in the room to facilitate the curing process.
The vinegar smell is a byproduct of the curing process; it is not toxic but you should ensure the area is well-ventilated during application.
Ensure the surface is completely clean, dry, and free of oil or soap residue before reapplying.
Ensure the nozzle is cut to the correct size and the sealant is not being applied in extreme heat; allow the sealant to reach room temperature.
The sealant surface may be covered in soap scum or skin oils; clean with a mild detergent to expose the anti-fungal agents.
Before application, ensure all surfaces are clean, dry, and free from dust, grease, or old sealant remnants. Use a standard skeleton gun to dispense the material smoothly. For clean lines, apply masking tape to both sides of the joint, apply the sealant, and tool the joint with a spatula before the skin forms (typically within 10-15 minutes). Remove the masking tape immediately after tooling. While no special maintenance is required, keeping the cured sealant clean with mild household cleaners will preserve the anti-fungal properties for years.
