This is a General Purpose Silicone Sealants from Everbuild form a flexible permanent mould resistant seal between many materials. The Silicone Sealant is available in 280ml tubes. Everbuild General Purpose Silicone Sealant can be used to seal around baths, showers, basins, window frames and other household uses. It remains permanently flexible and forms a watertight rubber seal upon drying. It can be used internally or externally, is waterproof, quick drying and mould resistant. One The tube will seal approx. 10.5 linear metres for a 6 mm diameter bead.
eBay