Yes! You can sand dried caulk by using sandpaper and taking certain precautions to get the desired result. Modulus of elasticity is the ability of the caulk to resist being elastically deformed when stress is applied to it. For this reason, it isn’t a good idea to use it around areas where you want the caulk to flex, for example, around the rim of the bathtub or in sealing a shower stall. What Tools Do I Need? If you apply caulk and there’s too much in certain spots, you can use “ Caulk-EZ” on these spots to make removal of excess caulk easier. Caulk-EZ is a lubricant, one that’ll ensure your finger slides smoothly along the joint as it removes caulk. The inclusion of sand in a hard caulk will ensure that the caulk isn’t easily damaged. Exposure Resistance

Sand the surface of your workpiece using some rough-grit sandpaper. This might seem like overkill, but it will provide you with a smoother finish for your caulk and draw less attention to it than the surface of your workpiece. What is the best way to go about this? Well, as most professionals will tell you, folding your sandpaper can do wonders. Now the done thing is to have a pot of very slightly soapy water on hand. Just keep dipping your finger in it and smoothing the caulk down, it’s really simple. I have a few photos below for you showing just how easy it is to smooth the caulk down. a fresh caulk bead While the sandable caulk is relatively easy to smoothen out, as we mentioned previously, silicone caulk isn’t as simple to work with. That being said, we’ve prepared a short tutorial detailing how to smooth silicone caulk. Remember that no matter how much you’d like to, it’s never a good idea to try and sand silicone caulk, whether it be before or after it’s been applied.In fact, over time, the chemicals in sealants may damage your caulk. If you have to seal tiles and grout, do that first and, when it’s dry, then undertake your caulking. What Are Sanded Silicone Caulk, Sanded Grout Caulk, and Sanded Ceramic Tile Caulk?

But the real benefit of using Caulk-EZ is that it’ll prevent the caulk from going everywhere as it’s removed. Without Caulk-EZ, the excess caulk may get on nearby surfaces when you remove it with your finger, and removing caulk from these surfaces will be a pain. Use Sanded CaulkYou can sand caulk after it dries, as long as the caulk is not made of silicone. You should never sand caulk when it is wet, as it will ruin the integrity of the filling work and you will have to start over. In general, wet surfaces should never be directly exposed to sandpaper.