Sylglas 
Waterproofing Tape Original Self-Adhesive
 
The best all weather seal repair tape for jobs around the home & garden.
 
Available in the following sizes:
50mm (width) x 4m (length) roll
75mm (width) x 4m (length) roll
100mm (width) x 4m (length) roll
 
Select your required size from the option menu.
 
Features:
Easily moulds to all contours
Easy to use for jobs around the home & garden
Seals exposed glazing bars on conservatories, greenhouses & cold frames
Seals & repairs guttering & downpipes
Protects above ground metal against rusting
Protects garden tools against rust