The adhesive on old rolls of masking tape can dry out over time, making the tape stick together and hard to unwind.
To rejuvenate the adhesive on old rolls of masking tape, put the roll of tape on a paper towel in a microwave oven and turn the microwave on for 10 seconds or so.
This will warm up the old adhesive and make it easy to unroll.
Watch the video above to find out more.







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