PENOSIL Cleanroom Silicone 342 is a high-performance, neutral-cure alkoxy silicone designed for hygienic sealing in cleanrooms and other high-risk environments where mould and microorganism growth must be controlled. It delivers long-lasting elasticity, excellent adhesion and a clean, professional finish in both wet and temperature-controlled areas.
Formulated for demanding sanitary applications, this mould-resistant silicone is ideal for cold storage rooms, laboratories, healthcare environments and food-related spaces where hygiene, durability and low emissions are essential.
Key Features & Benefits
- Colour: White
- Mould resistant for long-term hygiene
- High sanitary class: S-XS1
- Ideal for cold-storage and temperature-controlled rooms
- Permanently elastic with high movement capability (±25%)
- Excellent adhesion to a wide range of construction materials
- Low odour and low VOC formulation
- Suitable for interior and exterior use
PENOSIL Cleanroom Silicone 342 is suitable for sealing and filling joints in areas exposed to moisture, temperature variation and microorganism growth, including:
- Cold storage rooms
- Commercial kitchens and food preparation areas
- Operating theatres and healthcare facilities
- Bathrooms, showers and washrooms
- Laboratories and cleanrooms
- Wet and humid environments
- It is also ideal for sealing connecting joints between tiled floors and walls, basins, toilets, baths and shower enclosures.
- Glass
- Ceramic tiles
- Aluminium (lacquered, anodised or painted)
- Galvanised steel
- Glazed surfaces
- PVC and most plastics
- Varnished wood
Performance You Can Rely On
This alkoxy silicone sealant maintains flexibility over time, accommodating joint movement. Its low-VOC formulation makes it suitable for enclosed and sensitive environments, while the mould-resistant properties help keep sealed areas cleaner for longer.
Why Buy This Product
If you need a professional-grade, hygienic silicone for cleanrooms, cold storage or high-moisture areas, PENOSIL Cleanroom Silicone 342 offers reliable performance, excellent adhesion and long-term mould resistance. It’s a dependable choice for installers who need clean results in demanding environments.
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Disclaimer
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Any advice is for general guidance only. We cannot guarantee products will meet your specific needs or usage. Please check all measurements and specifications before purchase, as we are not responsible for incorrect advice or items ordered in error. Return costs in such cases are the customer’s responsibility.