Rather than applying the tape to the wall attach one side of the tape directly to what you want to hang first.
How to hang string lights on cement wall.
Secure the end to a cup hook as you did the beginning of the string.
On some softer surfaces you can use smaller hooks that you can easily screw and unscrew.
When you have reached the first planter and have formed a rectangular outline of lights begin zigzagging the lights from one side of the outline to the other spacing the passes of string far enough apart so that they will be evenly distributed to the end.
From this i hung four twine strings to hang down and pin at the ground for annual vines to grow up.
Attach the cable clamps to the rope lights between light bulbs.
Continue the process until each clip has been used.
Now cut open your pack of sugru and divide it into five equal parts rolling each piece into a small ball.
Consider using smaller clips that you can conceal when not using lights during other times of the year.
Mark the spots on the trees and drill guide holes.
Place a clamp every 12 to 24 inches along the rope.
Pull the trigger directing a glob of glue onto the cord and wall.
Mark where the clamps hit the concrete with a marker.
Finally plug in the lights sit back and enjoy your display.
Peel the backing off of one side of the tape and attach to the object so that it is not visible when you hang it.
Cut strips of tape and place them on the object you want to hang.
Now that the clips have dried it s time to hang the lights.
This makes it easier to install the lights.
With a helper string the lights from one tree to the next holding them carefully to make sure the holes are the right distance apart.
Place the nozzle of the glue gun close to the light cord being careful not to touch it.
Install a hook into each tree at the marked spot.
Hold the end of the string lights against the wall with one hand.
To test this i mounted a 3 foot 1 meter long lightweight strip horizontally on the brick wall maximizing the surface area for the sticky to stick.
Place the ladder in the location where your string lights will end and climb the ladder with your lights and glue gun.
Work out how many hooks you will need.