1.   Cover the joints with Flashband, a peel-off asphalt tape backed by foil.

2.   Flashband is a brand name for an asphalt tape, covered on one side with foil, the other with peel-off paper.

3.   Q. You mentioned an asphalt tape that is sold to repair holes in gutters.

4.   To cover those joints, use a sticky, peel-off asphalt tape backed by foil.