Sylglas SYLWT506 waterproof tape is purposely designed as a permanent leak sealant for piping and tanks and can be used on most materials The WT506 is translucent and offers a multitude of uses around the home and garden with an effective adhesive for most metals wood ceramics fibreglass some hard plastics plaster masonry and concrete This waterproof tape will form a strong waterproof self-adhesive seal Other tapes will yellow and go brittle in sunlight - not this one as it is UV stable and flexible Ideal for sealing cracked panes of glass repairingjoining polythene cloches and sealing overlaps on plastic roofing sheets Size 50mm wide x 6 metres