Painting over caulks labeled “paintable” gives you even more color options.Ĭlear caulk, the most versatile choice, blends into showers and tubs that range in color from light to dark it’s your best option if you want to ensure that there is no contrast between the color of the caulk and the shower or tub. Color Choicesīoth pure silicone and siliconized latex caulk are sold in a variety of colors, including clear, white, cream, and brown. Most pure silicone and siliconized latex/acrylic caulks are formulated with mildewcides and fungicides (chemicals that destroy mildew or fungus, respectively) to minimize the formation of stain-causing mildew or mold on the caulk.įor a rot-proof caulk job, check the packaging for the terms “for bath,” “mildew-proof,” or “mold-proof,” along with the number of years the caulk can be expected to hold up to mildew and mold. The caulk can easily be applied by hand with a simple squeeze of the tube, but it has a smaller coverage area because there’s less of it by volume. Squeeze tubes are better for small-scale projects, such as filling a crack in the shower floor. But they must be loaded into a caulking gun and dispensed by pressing down on the gun’s trigger. Generally, cartridges are suited for large caulking jobs, such as sealing the perimeter of a tub, as they contain more caulk by volume and afford more precise application. But it’s less moisture resistant and more likely to crack with thermal expansion, so a caulk job will be more short lived (30 to 40 years).Ĭaulk is sold in small squeeze tubes or large cylindrical cartridges, each type suited for different scale projects and requiring a unique application.
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