SISTA Bad Pro Silicone Silver Grey, 280 ml professional bathroom sealant with 24-month warranty and neutral curing formula for moisture and mould resistance.
SISTA Bad Pro Silicone Silver Grey – Professional Bathroom Sealant
The SISTA Bad Pro Silicone is a professional-grade neutral silicone sealant designed for bathroom and wet-area applications. It provides reliable, long-lasting protection against moisture and mould with a neutral curing formula.
24-month manufacturer warranty ensures long-term investment protection for your bathroom sealing project
280 ml cartridge delivers ample material for standard bathroom joints and gaps
Neutral silicone formula cures without releasing acetic acid — safe for most surfaces and substrates
Pro-quality formulation resists mould and mildew in high-humidity environments
What sets SISTA Bad Pro Silicone apart
Unlike standard silicone sealants, this professional-grade product combines a neutral curing chemistry with a dedicated bathroom formulation. The 280 ml size is optimised for typical bathroom gap widths and joint lengths, reducing waste and the need for multiple cartridges.
Ideal for...
Professional tradespeople and DIY renovators working on bathroom sealing tasks — tile joints around bathtubs and showers, sanitary fixture installations, and general wet-area waterproofing in residential and commercial bathrooms.
Application of SISTA Bad Pro Silicone
Clean and dry the joint or gap thoroughly, removing any old sealant, dust, or grease
Apply a consistent bead along the joint using a caulking gun
Smooth the bead with a wet finger or smoothing tool to achieve an even finish
Allow to cure for 24 hours before exposure to water
Sista is a Swiss brand specialising in chemical-technical products for building and construction applications, including sealants, adhesives, and filling materials. The brand focuses on professional-grade formulations for tradespeople and DIY users in the Swiss market.
It is a professional neutral silicone sealant designed for bathroom and wet-area applications, including tile joints around bathtubs and showers, sanitary fixture installations, and general waterproofing of wet rooms.
Yes, the neutral silicone formula is suitable for most common bathroom substrates including ceramic tiles, glass, sanitary ceramics, and painted surfaces. Always ensure the surface is clean, dry, and free of grease before application.
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