The 'Tarp Zip-Up' zipper can be used to create a zippered opening in plastic sheet. Great for hydrofilm / panda film and grow room walls.
It's list of uses is almost endless, including tent door repairs, boat and caravan covers, and outdoor entertaining panels.

• simple peel and stick application
• 2.1 metres long

Creating a door or window is simple;

• Fix the zipper into place
• Upzip
• Use a knife to cut the opening