Strong adhesion is achieved after waiting 6 to 12 hours after sticking to the Hagen strong adhesion bathroom set hanger bracket. Hanging rail with 8 hooks. Adheres to rough and smooth surfaces (marble and tile, etc.). The adhesive can be wiped with acetone before it dries. The adhesive can be removed by cutting it with a spatula. There is a risk of paint breaking on painted walls. It does not stick to plastic surfaces.