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How to Choose the Right Caulk for Any Home Project
If your project calls for caulk, you can probably picture yourself at the home store facing a towering wall of caulk tubes that all look alike. We've all been there. The good news is that there's a right caulk for the job; you only have to know what to look for and read past some misleading labels to find what you need.To get more news about Caulk Strip, you can visit senpinghz.com official website.
Caulk vs. Sealant
Before going a step further, you might have heard caulk called a sealant and vice versa. Technically, the two serve the same purpose—sealing a space, making it airtight or waterproof. But there is a significant difference between them; sealants are used on objects that shift or move, like windows, for example. A sealant is used when you need more elasticity so it can shift with the moving object it's sealing. Meanwhile, caulk is best suited for filling the space where the shower tiles meet the top of the bathtub—both surfaces are stationary. Also, caulk's significant benefit over sealant is that acrylic latex can be painted on, while sealant can't.
Types of Caulk
Caulk comes in many options: different colors, fast-drying, and sanded vs. unsanded. Sanded, grainy-textured caulk works best sealing wet spaces and large gaps of 1/8-inch or more. Unsanded has a smooth texture and appearance, working best on kitchen countertops and backsplashes.
Caulks are water-based, like acrylic or latex, or solvent-based, like polyurethane, silicone, or butyl rubber. Solvent-based caulks require mineral spirits or other strong solvents to remove them, while acrylic and latex products do not. Also, you can get caulks that are a hybrid like silicone and polyurethane combined.
Acrylic latex caulk is the general-purpose workhorse. It's inexpensive and fast-drying and is useful for many different applications. Most importantly, it can be painted and is sometimes termed "painter's caulk."
Use this caulk for filling small gaps and blemishes in wood trim and for sealing joints between wood parts that you will paint. While the label may claim it's suitable for wet areas, it's best to stick to dry areas or on parts that may see moisture (like exterior trim and siding) but will be protected by a complete coating of paint.
Latex or acrylic caulk with silicone added offers somewhat more moisture resistance than standard latex caulk. Thanks to the silicone, it's also a bit more flexible and durable. You can use this in the same places as standard latex caulk and for exposed (unpainted) applications that need only moderate waterproofing.
Pure, or 100 percent, silicone is the premium caulk for jobs exposed to water. Silicone caulk is expensive but worth the cost due to its flexibility and long life. Most formulas are mildew-resistant and have inhibitors to slow discoloration (but all caulk gets ugly over time). The only big downside is that it's not paintable. But that shouldn't be a problem for its typical applications. If a silicone caulk says you can paint it, it's probably not pure silicone.
Silicone will work on roofs and windows or doors, but it's not the best option for those applications. Instead, use a high-quality roofing sealant for roof work, and use a high-quality window and door sealant (not latex caulk) for installing and sealing windows and doors. (It lasts as long as silicone and is paintable.)
This sticky, messy caulk is primarily for outdoor use. It's an excellent sealant for metal and masonry and for joints that might move due to expansion and contraction. A good example is gutters. It also fills larger joints nicely when used with a caulking rod or backer rod. Many formulas are paintable.
Also called fireplace caulk, refractory caulk is a high-temperature sealant suitable for filling small cracks in brick, concrete, and other masonry materials, specifically in masonry fireplaces and chimneys. Use this only for minor repairs, such as filling tiny gaps between bricks in a firebox. It's not suitable as a masonry replacement or for significant repairs.
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