Best Silicone Sealers of 2026

"I used this caulk in my kitchen and was impressed by how smoothly it goes on and how easily it dries to a clean, flexible finish. The seal stands up to water and heat, and so far it’s holding strong without any cracks or peeling. If you need a reliable option for kitchen repairs, this one is definitely worth considering."

"When I recaulked around the base of my toilet, I found this silicone gel very easy to use and quick to dry. It creates a neat, waterproof seal and gave the area a professional look with no gaps or leaks. It’s simple and effective for bathroom jobs, which gives me real peace of mind."

"I’ve used Advanced Silicone Caulk for a few home projects, and it’s proved to be great where flexibility and water resistance are critical. It adheres well to surfaces like glass and metal, offers lasting waterproof protection, and stays flexible over time. It’s not ideal for paintable surfaces, but if you need a sealant that resists moisture and mildew, this is a solid choice!"

"I've used this sealant for all sorts of repairs around my home. It stays usable in the tube for months and doesn't harden like other glues. I rely on it for both gluing and sealing jobs. Just be aware, it takes a couple of days to fully cure when used as an adhesive."

"As someone who handles a lot of DIY fixes, this clear RTV silicone is my top pick. It's waterproof, flexible, and bonds to everything from glass to vinyl, with no cracking or sagging—even in extreme temperatures. I keep it handy for everything from weather stripping to electrical work. A true essential in my toolkit!"

"I needed something to keep my rearview mirror in place on my Jeep Cherokee. After trying several adhesives that failed within a couple of months, this one has held strong for over three months. I'll definitely stick with it for future projects."

"I've relied on GE 100% Silicone Caulk for 40 years as a professional painter, and it has never let me down. Application is effortless, it outlasts the competition, and the price is very reasonable."

"This caulk is an outstanding solution for sealing outdoor gaps. The tube was easy to use and adhered well, and I appreciate that the clear finish is discreet. The only drawback is the strong smell, so make sure to ventilate the area. Overall, a great buy for its performance and value."

"I used this to seal vinyl tiles in my shower, and it worked perfectly. Prepping the area with tape made application neat, and the sealant dried quickly and became fully waterproof within half an hour. Just be careful, as it can be difficult to remove from unwanted surfaces."

"I've used this caulking for years in wet spaces like showers and windows, and it’s always reliable, goes on clear, dries fast, and blocks water effectively. It’s affordable and easy to work with—highly recommend for any sealing job."

"I sealed the windows and door on our camper with this product over five months ago, and there are still zero leaks. Application was simple and it dried quickly—definitely works as promised."

"I love that this sealant comes in a handy, small tube—perfect for minor projects where a big dispenser isn’t needed. Clear, protective caulk that lived up to expectations—very satisfied!"

"I found the GE Advanced Silicone Caulk incredibly easy to work with—the consistency was just right, and it applied smoothly around my kitchen sink and backsplash. It dried clean, stayed flexible, and gave a professional look. So far, it's held up well against water and heat, which is exactly what I needed. For kitchen repairs or sealing, I'd definitely recommend it as a reliable choice."

"When I needed to seal around the base of my toilet, this silicone gel was simple to apply and produced a neat, waterproof finish. It dried quickly, looked professional, and gave me confidence that the area was well protected. No issues with leaks or gaps—just a straightforward product that performs as promised."

"I used this caulk around my bathtub and sink, and it was mostly a breeze to apply with a clean, bright finish. The lack of odor was a plus, and it dried as expected. The only hiccup was a little peeling in a few spots, probably due to a bit of moisture during curing. Otherwise, it's good quality and looks professional, but I'd remind others to make sure their surface is totally dry before using."

"I've worked with a variety of sealants, but Gorilla Waterproof Caulk & Seal stands out for its toughness and reliability. I used it on a home renovation project to glue plywood and it performed flawlessly. Application was straightforward—just cut, puncture, and start caulking. It absolutely gets the job done, and I'll keep coming back to it whenever needed."

"As a DIYer, I've dealt with plenty of mediocre caulks, but this one is a game-changer. The caulk is water-ready in just 30 minutes, stays bright white, and never cracks or yellows. Its mold and mildew resistance is perfect for humid spots like bathrooms and kitchens. The only minor drawbacks were a strong smell during use and the fact that it's not paintable, but the performance more than makes up for it. It's easily one of the best silicone sealants I've tried—better than many premium brands."

"I bought this sealant for my bathroom and kitchen, and it went on smoothly, adhered well to tile and metal, and cured into a flexible, waterproof finish. Cleanup was a breeze before it dried. It’s a dependable choice for any place exposed to moisture and daily use. I’d recommend it for anyone needing a solid, long-lasting seal."

"After a few months of use, I'm genuinely impressed with how well this sealant stopped water from leaking into my car, especially given the constant rain in my area. Despite my initial skepticism due to the low price, it completely sealed the rear window gap. It’s held up perfectly so far—definitely exceeded my expectations!"

"I found this Permatex black silicone adhesive to be one of the most reliable and adaptable products in my toolbox. It bonds securely to plastic, metal, rubber, and glass, and has handled both outdoor and indoor tasks with ease. Once cured, it’s tough, waterproof, and heat-resistant. It’s a staple for any DIY project—dependable and long-lasting."

"I picked this up for my car’s door seal, and it worked flawlessly. The only thing I’d change is the design of the nozzle—once you use it, it’s not really reusable, which is a bit inconvenient for smaller fixes. Other than that, I’m completely satisfied with how well it performed!"

"I was truly impressed by the quality and reliability of Gorilla Waterproof Caulk & Seal. The application was a breeze, with the sealant gliding smoothly into every gap and crack. After using it in damp areas like the kitchen and bathroom, I noticed the seal remains watertight and flexible even after weeks of exposure. The clear finish seamlessly blends in, making my projects look professional. For anyone seeking a dependable, easy-to-use sealant, this is a top choice."

"For my small home improvements, Gorilla's 100% silicone caulk made everything easier. The squeeze tube is so convenient for quick fixes, and the sealant dries to a clean, professional look. I’ve used it in bathrooms, kitchens, and even outdoors—it holds up against moisture and weather every time. The durability and reliability are exactly what I expect from Gorilla products."

"I needed a sealant for my kitchen and bathroom projects, and I found that this one adheres perfectly to various surfaces and dries clear without yellowing. It’s mold and mildew resistant, which is a huge plus in damp areas. While there was a bit of an odor at first, it faded quickly. I’ll definitely keep this on hand for future repairs—Gorilla nailed it with this product."

"I've been using this caulk on both construction sites and home renovations, and it's never let me down. All I do is cut the tip, puncture the seal, and start applying—it always works as intended. I'll definitely keep buying it whenever I need more!"

"As a DIYer, I grabbed the Gorilla Waterproof Caulk & Seal for my bathroom tub and kitchen windows. The quick water-ready feature is a game-changer—I was able to use my shower the same day. This stuff is tough, stays flexible, and resists mold even after months of use. Adhesion is top-notch, and it tools smoothly for a professional finish. The only downsides are a strong smell during use and the fact that it's not paintable, but honestly, it's still better than most sealants out there."

"I needed a reliable, professional-grade sealant for my windows and doors, and this product really delivered. The application is smooth, the color is consistent, and the seal is watertight and durable. The only small issue was that it cost a little more online than it would have in-store, but the quality and quick delivery made it worth it. I absolutely trust this product when I need dependable results."

"I was surprised by how well this product worked and how quickly it dried. It's easy to use, creates a flexible, strong seal, and completely solved the water problem in my SUV's tail lights. Definitely recommend it!"

"This stuff is a game changer for my crafts—it mends almost anything. The new cap lets me reseal it easily, so I can use just a bit and come back later without waste. Absolutely love it!"

"As someone new to DIY, I used this to seal window cracks in my townhome. It reduced noise and vibration from the freeway, though not entirely. Be aware it has a strong chemical smell and can be tough to remove from skin, so gloves and ventilation are a must."