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SKU: SEL030
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Selleys No Mould Silicone Sealant Dark Grey 290ml creates a long-lasting, waterproof seal designed especially for humid and damp indoor areas where mould resistance is essential. Its advanced acetic cure silicone formula stops mould growth and forms a flexible, durable seal that resists lifting and cracking. Thanks to its fast skinning technology, you can use your shower just one hour after application.
Ideal for kitchens, bathrooms, laundries, showers, tiles, basins, worktops, baths, spas, and plumbing fixtures.
Selleys No Mould Silicone Sealant Dark Grey 290ml contains superior mould-stopping technology to prevent mould growth when combined with regular cleaning.
Fast skinning formula allows shower use within 1 hour of application.
Flexible, long-lasting seal resists lifting, cracking, and shrinking over time.
Excellent adhesion to ceramic, glazed and porcelain fixtures, aluminium, plastic laminates, some rubbers, glass, and stainless steel.
| Surface Type | Typical Applications | Application Tips |
|---|---|---|
| Ceramic, Porcelain, Tiles | Showers, basins, baths, spas | Clean and dry surfaces thoroughly before sealing. |
| Aluminium & Stainless Steel | Plumbing fixtures, trims | Apply on clean, non-porous surfaces for best adhesion. |
| Plastic Laminates & Rubbers | Kitchen worktops, splashbacks | Pre-test on some rubbers for compatibility. |
| Glass | Shower screens, windows | Ensure surfaces are free from dirt and grease. |
Insert the cartridge into a caulking gun.
Apply the sealant with steady, even pressure, ensuring it is well pushed into the joint.
Within 5–10 minutes of application, smooth the sealant using a spatula dipped in detergent water.
Clean up any excess with turps before the product begins to skin.
Store in a cool, dry place below 30°C. For best results, use within 6 months of opening.
| Product Type | Acetic cure silicone sealant |
| Size | 290 ml cartridge |
| Colour | Dark Grey |
| Skin Time | Approximately 20 minutes |
| Cure Rate | 2 mm per 24 hours |
| Flexibility | Approximately 400% elongation |
| Waterproof | Yes, shower ready in 1 hour |
| Limitations | Not suitable for aquariums, food or drinking water contact, permanent immersion, or metals other than aluminium and stainless steel. Not suitable for PE, PP, PTFE and some rubbers. Pre-test on other surfaces for compatibility. |
Do not paint over Selleys No Mould Silicone Sealant Dark Grey 290ml; complete any painting at least 7 days before application.
Avoid use on aquariums, food or drinking water contact surfaces, and permanent water immersion.
Not suitable for metals other than aluminium and stainless steel.
Pre-test on plastics like PE, PP, PTFE, and some rubbers for compatibility.
Use in well-ventilated areas and keep out of reach of children.
Follow all label instructions and safety data sheet guidelines.
Yes, it contains a superior mould-stopping formulation that helps prevent the growth of unsightly and harmful mould. It’s ideal for use in bathrooms, kitchens, and laundries where moisture levels are high. However, to maintain its mould resistance, regular cleaning and ventilation are recommended.
It adheres well to a range of non-porous surfaces including ceramic, porcelain, aluminium, plastic laminates, certain rubbers, glass, and stainless steel. This makes it ideal for wet areas such as shower screens, sinks, and benchtops. Always test on a small area first if unsure about surface compatibility.
No, Selleys No Mould Silicone Sealant is specifically formulated for indoor use in humid and damp environments. It is not UV-stabilised and may degrade if exposed to direct sunlight or outdoor conditions. For outdoor sealing jobs, choose a product designed for external applications.
Selleys No Mould Silicone Sealant Dark Grey 290ml offers a reliable, waterproof seal with excellent mould resistance for your bathroom, kitchen, and laundry projects.
For other options, you may view our full range of Sealants items.
| Weight | 0.36 kg |
|---|---|
| Dimensions | 24 × 5 × 5 cm |
| ALL Product Type |
Sealant |
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Sealants |
| Sealants and Adhesives |
Sealants |
| Brand |
Selleys |
Selleys No Mould Silicone Sealant Dark Grey 290ml
Selleys No Mould Silicone Sealant Dark Grey 290ml
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