Doing this will help remove grease oil and wax from the surfaces making the adhesive strips easier to mount.
How to create velcro hanging wall.
Pull your fabric taut and stick one end of it to your wall.
Use corner brackets to increase the stability of the frame.
Write down the measurements for the velcro strips on the backdrop and use the tape measure to transfer these dimensions to the surface on which you will be hanging the backdrops.
Sketch in these lines using a pencil.
Then gently rub the cloth against your wall and the mounting side of your shelf.
Peel the second backing off of your velcro strips to make them sticky.
Work along the width of the fabric and stick each velcro strip to your wall.
Give the surfaces around 5 minutes to dry before attaching your adhesive strips.
You can also use a piece of painted plywood as your backing.
Stick the velcro strips to your wall to hang your fabric.
Choose a sturdy wood strip at least half an inch thick and tall to avoid sagging or bowing.
Dampen a fresh cleaning cloth with isopropyl alcohol.
The wood hangs horizontally on the wall attached to studs with nails or screws.
Things you will need dampen the cloth or paper towels with warm water and wipe down the wall that you will be attaching the velcro to.
Press the velcro onto the wall and hold it there.
Attach the rough side or hook side of the velcro to the wall in the places marked with the pencil.
If your fabric is sagging attach 1 or 2 more velcro strips in the middle of.