Anonymous5 years ago000I have (somewhat) rough walls at home. Does anyone know if they will still hold, or should I be worried?Show in original language (German)S. Jungo5 years ago • purchased this product+110purchased this product Helpful answerYou don't have to worry about that. If you don't fix it to the ceiling. I've had mine on the wall for several years without any problems.Show in original language (German)Comment