How to Get Vinyl Stickers to Stick Better

Park your car in the shade during the summer to prevent direct sunlight from raising the temperature of the metal or glass on your car. Prepare your bumper for the sticker during a cool time of the day -- early morning or evening. In the winter, wait for midday warmth. Extreme temperatures -- hot or cold -- can adversely affect the adhesion of your sticker.

Clean your car bumper or the back window glass on your car with warm water and mild liquid dish soap. Rub a wet sponge onto the area where you will adhere the sticker. Dry the area with a lint-free cloth. A clean surface area boosts the bonding strength of the sticker.

Dampen a second lint-free cloth with rubbing alcohol. Wipe the cloth once along the cleaned area in one direction. Rubbing alcohol prevents dirt, dust or debris from contaminating the area before the sticker is attached. Press the sticker evenly onto the clean area.

Clean the wall with warm water and mild liquid dish soap. Rub a damp sponge onto the area where you will adhere the sticker. Dry the area with a lint-free cloth. Allow two hours for the wall to thoroughly dry.

Firmly press the tacky side of the sticker flat against the wall.

Run a dry rubber squeegee over the surface area of the exposed vinyl, from right to left, with firm pressure. Repeat this step two or three times. The squeegee adds extra adhesive pressure and burnishes the vinyl to give it a bright shine.