LK, just read your question, the top of the tape will be as straight as your gutter. I we discussed place the tape in the gutter first and the top of the tape will follow. Just place some of the unrolled tape in the gutter without removing the backing and you will see how nice and straight the top is.. Quite thinking so much and just do it in May...LoL
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Happy Trails! ICHN2GO, Seaford VA,
06, 34 Newmar Ventana
02 Jeep Liberty