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The Ultimate Beginner's Guide on How to Caulk a Bathtub

Cleaning, making the area plain, and applying a caulk is the key to caulk a bathtub. Read on to know more about it.
Torque Earnest May 10, 2019
Bathtub caulking is no rocket science with a variety of sealants and adhesives available in the market today. Caulking means making something watertight. It functions as both, a sealant as well as a strong and flexible adhesive. Caulking a bathtub can be done in various simple and easy ways, such as using silicone caulk or tape.
Generally, builders do it as a part of the bathroom plumbing. So when you shift to a new house ensure that the job is done properly. This is because once you start using the bathroom, caulking is undoubtedly delayed for practical purposes.
However, it is essential for protecting the walls of the adjacent rooms or the ceiling of the house on the level below yours, from the damage caused by water leakage.
One needs to be aware that there are options available for bathtub caulking in the form of tapes or cream-like substances that come in tubes and are very easy to apply. Now, while choosing one, what you need to consider is the color of the sealant, which should complement the interiors of your bathroom or the color of your bathtub.
Caulks are usually cheap unless you go for the silicone caulk, but what you should look for is a caulk which is not oil-based. If your budget is high and you have opted for a silicone caulk, you have to be very careful as to not mess with it and get it on your hands, because it does not come off easily.
So invest in a pair of gloves and follow the procedure carefully and with patience. Also, avoid contact with the eyes. The first step to bathtub refinishing is to completely dry the place where the bathtub is joined at the wall and clean the area. If you notice mildew, clean that too. It is caused by humidity and moisture.
The quintessential tip is to clean the area off the dirt and grime for preparation of caulking. Use a knife for removing the cracked caulk and scrape it out completely, all the while being careful not to scrape off too much, as it could damage the surface.
In case the caulk is too hard and stubborn to be removed easily, you should know that it is probably a water-based caulk and should be taken out using heat. For that, you should use a heat gun. However, you won't face this issue with silicone caulks as they are soft.
The next step is to smoothen the surface where caulk is to be applied by rubbing it with sandpaper, but being gentle so as not to cause damage to the bathroom tiles, bathtub or the wall. After this, you may also rub the area with denatured alcohol.
Once the area is cleaned, all you need to do is apply the caulk as per the instructions given on the pack. You can either use your hands or a caulking gun for the same. An important tip here is to be quick while applying it. Keep the gloves, the tube, and the gun ready before you actually start the caulking process.
Keep a moist and soft cloth handy for wiping off the excess caulk, but ensure that you have finished caulking the entire tub before you go for cleaning the area.