When the tapes are pulled off the glass, paint has seeped under the edges of the blue and tan tapes, but not the Frog Tape. In its lawsuit, 3M claims the roller doesn’t apply equal pressure to ...

Since then, 3M has developed a wide range of tapes — or pressure-sensitive adhesives, as they are technically known — and among its most popular is the Scotch-Blue brand of painters tapes.