I have tried a variety of tapes that all slowly fall off over time. I'm looking for a more permanent way to attach two flat sheets of plastic about 10x10 together to form a seam.
You could try sewing them together. There are also zippers sold for sheet plastic, so you can make a temporary doorway when you need to seal off part of your house from construction dust. You could use that and just never open the zipper. Google peel and stick zipper.
