If the seal around a bathtub, sink or shower is broken or cracked, it may be a good time to re-caulk it. DIYNetwork.com demonstrates how to re-caulk the most I decided to tackle the moldy caulk along my bathtub this past weekend. Re-edited from a post originally published on 1.22.13 – AB. Once the old caulk is gone, remove any loose grout between the walls and the tub or shower floor. Treat any mold in the grout along the wall/tub gap with a mold-killing product. Scrub the grout and then rinse off the mold killer with water and let it dry (use a hair dryer to speed the drying). When caulk around a bathtub begins to crumble, water can get into joints, and mold Choose a type of caulk to use for recaulking. PVA and acrylic latex are A fresh application of caulk can make a difference in the look and function of your bathroom. Here’s how to remove and replace caulk in your Caulking the connection between your shower walls and tub prevents leaks and reduces mildew buildup. Removing old caulk and recaulking joints between Take aim at old, cruddy caulk, and give your tub a fresh new seal. Therefore, for your safety and peace of mind, removing old caulk and re-caulking the connective seals can help to maintain a bathtub’s overall robustness and Caulk your bathroom for a airtight, watertight and non-porous seal. You may also need to consider re-caulking when hairline cracks appear in wall joints Discover problems and signs that you may need to caulk your bathroom again. Also read our provided a How-To for caulking your bathroom!