sorry protilers im in cornwall mate thanks anyway. looking at screw fix direct they are a bit cheaper than i pay at the moment which could be promising
paying nine pounds a go at Topps. Use cheaper stuff for the out of sight areas, Everbuild do a range for around 3/4 quid, but never buy the really cheap stuff.
A unique, high performance, waterproof and mould-resistant Silicon sealant especially formulated with built in Microban® antibacterial protection, to inhibit the growth of black mould and bacteria, such as Listeria, Salmonella and E-Coli. For interior and exterior use. Bonds to glass, ceramic, acrylic, fibreglass and glazed or painted surfaces.