Clean the wall thoroughly. Apply rubbing alcohol to a rag, and clean wall in a circular motion. Remove excess liquid with a dry section on the rag.
Remove tape cover from the adhesive hanger. Adhesive hangers contain a paper section which covers the tape or solution end. Remove this cover to expose the adhesive.
Press adhesive onto the wall firmly. Rub over the back side with your hand to secure it evenly to the wall. Hang picture off adhesive hanger.
Clean the wall thoroughly. Apply rubbing alcohol to a rag, and clean wall in a circular motion. Remove excess liquid with a dry section on the rag.
Remove backing from one 1-inch-by-2-inch double-sided tape section. Press it firmly onto the wall, pressing the adhesive side onto the metal to secure it in place.
Repeat step 2 three additional times, positioning one 1-inch-by-2-inch section of double-sided tape behind each corner of the picture along the wall.
Peal off the front section of paper on the four sections of double-sided tape. Press picture onto the four sections of double-sided tape. Press the front of the picture to secure the backs to the tape sections on the metal panels.
Clean the wall thoroughly. Apply rubbing alcohol to a rag, and clean wall in a circular motion. Remove excess liquid with a dry section on the rag.
Place frame-less photo on a flat surface, with the picture front facing downward. Shake spray mount vigorously for 1 to 2 minutes to mix the chemicals in the can.
Hold spray mount can 10 to 12 inches from the back of the picture, and apply an even coating. Cover the entire picture back completely with spray mount adhesive.
Lift the picture gently from the surface, and press adhesive side onto metal paneling. Smooth picture onto the wall with a clean, flat hand.