When performing a recaulking or resealing project, arguably the most important step is removing all traces of the old caulk! This is for several reasons:

• Adhesion of New Caulk: Silicone caulk adheres very well to many surfaces, including plastic, glass, metal, masonry, and ceramic tile . However, new silicone caulk will NOT adhere to old silicone caulk residue. This means that if any residue is left behind, the new caulk will not adhere properly. This can lead to gaps, leaks, and premature failure of the caulk.

• Prevention of Mold and Mildew: Residue left behind can provide a substrate for mold and mildew growth. Mold and mildew thrive in damp environments, and caulk residue can trap moisture, leading to potential health hazards and further damage to the surfaces.

• Aesthetic Appearance: Residue left behind can be unsightly, especially if it’s discolored with grime or mold. Proper removal ensures a clean and neat finish, improving the overall appearance of the sealed area.

• Durability and Longevity: Complete removal of old caulk residue helps in maintaining the durability and longevity of the seal. Properly applied and adhered caulk can withstand environmental stresses and temperature changes more effectively.

Removing silicone caulk residue by hand can be an exhausting and time-consuming process, especially if you need to remove it from cramped spaces. This is doubly true if the caulk is old and crumbly, or if you’re trying to remove it from porous surfaces like brick or masonry. Using WipeOut Silicone Caulk Dissolver turns a daunting task into something that can be achieved over your lunch break. For a detailed example, see How to Use WipeOut to Reseal a Bathtub, or one of our other How-To’s!