Scotch Heavy-Duty Exterior Mounting Tape – Link
Amazon has this currently marked down to $3.
Note that this is an Add-on Item which ships with a $25 Amazon order.
- One roll of double-sided tape for mounting items up to five pounds
- Ideal for mounting address plaques, signs, and more
- Weather-resistant tape that holds securely to indoor or outdoor surfaces such as stucco and brick
- Roll is 60 inches long by one inch wide
- Made in the U.S.A