Is it truly necessary to remove old caulk prior to the application of new caulking material? What if the existing caulk appears to be intact and adheres well to the surface? Could leaving the old caulk in place compromise the efficacy of the new layer, potentially resulting in moisture intrusion or unsightly mold growth? How would the bonding of the new caulk be influenced by the texture and condition of the old material? Moreover, what are the potential long-term implications on durability and performance if the old caulk is not meticulously eradicated? Are there specific scenarios where it might be acceptable to apply new caulk directly over old caulk? What factors should one consider to make an informed decision in this regard? Ultimately, how can one ensure that the new caulking job is not only aesthetically pleasing but also functionally sound? Isn’t it essential to weigh the pros and cons meticulously before proceeding?