Sylglas 
Clear Weatherproofing Tape
 
Does Not Discolour in Sunlight!
 
Ideal for the home & garden. Repair cracked panes of glass & clear roofing sheets. Join polythene cloches and seal overlaps. 
 
Other tapes will yellow and go brittle in sunlight. This tape is UV stable and flexible.
 
Available in the following size:
50mm (width) x 6m (length) roll
 
How to use:
Make sure all surfaces are clean, dry and free from grease.
Cut off a manageable length of tape and press into place.
Smooth down firmly with a dry cloth to remove any air bubbles.
Where possible, apply the tape to both sides of the repair.