Flex seal rubber roof coating. size is excellent for those large jobs. Flex seal rubber roof coating

 
 size is excellent for those large jobsFlex seal rubber roof coating  This rubberized coating seals cracks, fills small holes and provides firm-but-flexible protection against moisture and rust on surfaces that need it most

This rubberized coating seals cracks, fills small holes and provides firm-but-flexible protection against moisture and rust on surfaces that need it most. To paint over Flex Seal, follow these steps: 1) Clean the surface, 2) Lightly sand the Flex Seal, 3) Apply a primer, 4) Paint with a compatible paint, and 5) Add a protective topcoat if desired. 32 Ounce Flex Seal Liquid White Liquid Rubber Sealant Coating Spray Paint. Having said that, I don’t know if any changes have been made since our 2017 model roofs were used. Liquid Rubber USA . WARNING: California Prop. FLEX SEAL® LIQUID is a thick rubberized liquid that you can brush, roll, dip or pour. Excellent for use of RV. You will be redirected once the validation is complete. Colors: White, tan, gray, various other colors. Aerosol Liquid Rubber Sealant Coating (3-Pack) Flex Seal is an easy to use rubberized coating that sprays out as a liquid, seeps into cracks and holes and dries to a watertight, flexible coating. seeps into cracks and holes and dries to a watertight, flexible coating. FLEX SEAL Liquid Rubber Sealant Coating works amazing! There was a crack starting in my basement foundation that needed to be sealed. Dry time depends on the temperature, humidity and thickness of the coating. (subject to change) Liquid, rubberized coatings are sprayed on to surfaces and then dry to be waterproof barriers. • Concrete and asphalt repair • Foundation repair • Prevent basement seepage • Weatherize and seal out. you can trust. Shop this Collection. The following steps will help you paint a rubber RV roof correctly: Safety Precautions. Product Details. Functions of Roof Tar Allow each coat to dry completely (24 to 48 hours) before adding additional coats. It feels and behaves like paint too. It can be used on all types of RV roofs, mobile homes and more. Flex Seal Liquid Rubber Sealant Coating, 1 Gallon, White. This 2. Both Flex Seal and Leak Seal are “rubber in a spray can” products. There are other products that you may want to keep on hand specifically for roof repair, but Flex Seal products are great for many purposes! Flex Seal is an easy to use rubberized coating that sprays out as a liquid, seeps into cracks and holes and dries to a watertight, flexible coating. Benefits. 94 $ 33 . Description & Documents. Once dry FLEX SEAL® can be painted any. 75-Inch-Wide Waterproofing Adhesive Flexible Flood Tape - 20FT. 98. Liquid Rubber Sealant. Perfect for roof and gutter repair, sealing leaks cracks and holes, furniture repair and more!. Whether you have a metal, rubber, or fiberglass roof, Flex Seal can provide a long-lasting barrier against water damage. Spend $99 or more to use . com. Non-hazardous, non-flammable and safe around. More Options Available $ 34. Shop Amazon for Rust-Oleum 267970 LeakSeal Flexible Rubber Coating Spray, 12 Ounce, White,. You can use the coating method to make coating layers on the damaged surface. (Silicone Liquid Rubber Coating) - RV Roof Coating & EPDM Rubber Roofing Coating, Silicone Roof Coating & RV Roof Sealer, RV Sealant and Caulking Camper Roof Sealant (1Gal) 5. Click to play video. Oz. A: James, you can use Henry 287 Solar-Flex Acrylic Reflective Roof coating over an aged metal roof. 82/Fl Oz) +. Whether you need to fix a leaky roof, a cracked pipe, a damaged wall or a broken. Went on great on top of my camper we will see how it holds up. Like our Flex seal spray, but now you can brush it, roll it, dip it or pour it anywhere you need a watertight, flexible. 4 4. Dark Gray Liquid Rubber. Compare. 5 out of 5 stars 917Warranty / Certifications. This applies to both liquid flex seal and the spray can stuff. I was having a hard time deciding on brush or roller, then I foun. Key Features: Easy to apply – You can pour it on the surface or brush it on, whichever is easier for you. $ 34. CAREFUL! Heng’s tells us it’s extremely important to use the right kind of soap. only) reflectivity can dramatically decrease building temperatures. Keep an extra can in your car, camper or RV to always be prepared. N. 3lbs for 32ft² (Single Coat) - Waterproof Rubber Paint & Leak Repair Coating for Leaks, Cracks & Roof Repair - Multi-Surface Easy to Apply, Water-Based. 00 per square foot for labor as broken down in the cost per square foot section above. “All-round” means it can also be used on other areas of the home, including the windows, chimney, skylight, vent, and gutters. Apply Product. Options +2 sizes. There are 2 variants of rubber roof coating: one is made from thermal poly Ofelin and the other is made from ethylene. Be sure to cover the tape and the surface around the tape up to 3 to 6 inches to ensure complete waterproofing. Shop our selection of Roof Coatings & Sealants in the section of Roof Repair & Maintenance in the Building Materials Department at The Home Depot Canada. Flex Seal Family of Products Flex Seal White Liquid Rubber Sealant Coating 32 oz. 95 $ 54 . 32 Ounce Flex Seal Liquid White Liquid Rubber Sealant Coating Spray Paint. Flex Seal MAX seeps into cracks and holes and dries to a watertight, flexible. Dmitry Explains why Flex Seal is a bad idea for ro. 5 Gallon, Black. Liquid Rubber Industries SA (Pty) Ltd (“LRISA”) is the owner of the “Liquid Rubber” trademark in South Africa and has been distributing cutting edge protective coatings since 2009. Flex Seal seals out water, air and moisture and helps prevent rust and corrosion. Shake well. The liquid nature of the flex seal makes it easy to use, especially for DIY projects. RV Roof Leak Repair: Larger Areas/Complete Reseal. 98 Easy-to-use rubberized coating seeps into cracks and dries Seals out water, air and moisture Can be used on wet or dry surfaces to prevent rust and corrosion View More. 4 11,004 ratings Color: Clear About this item The easy way to coat, seal, protect, and stop leaks fast! Once dry, can be painted any color Seeps into Cracks and Holes. Flex Seal is an easy to use rubberized coating that sprays out as a liquid, seeps into cracks and holes and dries to a watertight, flexible coating. current price $56. Roof foam is excellent for all climates. Flex Seal MAX White 17 oz. Also, if you need to seal your tile roof, tin roof, or other kinds of roofing material, expect this Dicor product to adhere to. Flex Seal Sealer, allows to stop liquid or gas leaks in roofs, drains, skylights, ventilation systems, ducts, trailers, among others. Pros: Resilient ; Superb handling ; Container capacity is. 6. Flex Seal Liquid Gray 1 Gal. Commercial-grade waterproofing suitable for your construction site or home. Once dry, Flex Seal can be painted over. Videos for related products. 75-Gallon White Elastomeric Reflective Roof Coating (7-year Limited Warranty) Model # AP-2415. Goes on smooth and covers fast, sealing out water, air and moisture. - Clear. Also, if you need to seal your tile roof, tin roof, or other kinds of roofing material, expect this Dicor product to adhere to. seeps into cracks and holes and dries to a watertight, flexible coating. 5 out of 5 stars 103Find helpful customer reviews and review ratings for Flex Seal, 14 oz, 2-Pack, Brite, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights,. Available in additional 2 options. com I bought a small cnc mill, but it needed coolant, the coolant tank was leaking in many places, I applied both, can of seal and spray seal, (a must let it sit and cure between layers, i used 3 layers) after a few days i put water in it. 75 Gal. Aerosol Liquid Rubber Sealant Coating (6-Piece) FLEX SEAL is a rubberized sealant spray coating that sprays out as a liquid. Videos for related products. Rubberseal. GAF SDS # 1057 Page 3 of 7. Shop rubber roof coatings, sealants, roof cleaner, and more to keep your RV's roof in optimal condition for years to come. Uniflex Silicone44 Rubberized Silicone Roof Coating {{ ctrl. Liquid Rubber Sealant Coating (2-Piece) Flex Seal Liquid is actually liquid rubberized coating in a can. Once dry, Flex Seal can be painted over. Henry’s Tropi-Cool Silicone Reflective Roof Coating. Compare. Itiel Oldendorp. Options from $8. Flex Seal seals out water, air and moisture and helps prevent rust and corrosion. Shop this Collection. However, it takes the lead if you’re looking for a sealant for doing several coats as it dries faster than a. EternaBond RV Mobile Home Roof Seal Sealant Tape & Leak Repair Tape 4" x 50' Roll White Authentic (4''-50ft) 4" x 50' Foot Contin ROLL of authentic Eternabond repair tape. It seeps into gaps, cracks and openings and dries to a strong, flexible, rubberized, watertight coating. 298 reviews. Dark Gray Liquid Rubber. I have family and friends that have used Flex-Seal for projects around the house with good results. S. Ziollo RV Flex Repair Tape - Roof Seam Tape to Seal and Waterproof, Bond to EPDM Rubber with Butyl Sealant, Seal Vents and Skylights on Motorhomes, Trailers, Campers (White, 4-inch x 50 Foot Roll) $49. Videos for related products. 2. 5 Gal Size. Flex Seal, 14 oz, Green, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More $23. Brand: Flex Seal 4. 98 $ 29 . 99. 3. The DEHCO Heng’S 16-46128-4 Coating Rubber Roof is an ideal choice for sealing and protecting the rubber roof of your camper. Sealants last between 10 and 20 years on average, but some last longer. 7 Blue Ox WD. Flex Seal coats, seals, protects and Stops Leaks Fast! Perfect for: roof repair, weatherizing your home, gutters, foundation and concrete. Flex Seal is a liquid rubberized coating that can be sprayed onto surfaces to create a waterproof barrier. seeps into cracks and holes and dries to a watertight, flexible coating. 299 Reviews. Similar to our Flex Seal Spray, but now you can brush it, roll it, dip it or pour it anywhere you need a watertight, flexible coating or. 98 (3005)Rust-Oleum LeakSeal RV & Mobile Home Waterproof Flexible Roof Coating, White, 3. Aerosol Liquid Rubber Sealant Coating (4-Pack) When you need maximum coverage and maximum sealing power, take your projects to the MAX! Our new Flex Seal MAX is our most economical option, covering up to 20% more than our original size. Flex Seal MAX is a rubberized sealant spray coating that sprays out as a liquid. FLEX SEAL MAX is actually liquid rubber in a can! It sprays out as a thick liquid, seeps into cracks and holes and dries to a watertight, flexible, rubberized coating. Flex Seal Sealer, allows to stop liquid or gas leaks in roofs, drains, skylights, ventilation systems, ducts, trailers, among others. Flex Seal Liquid is liquid rubber in a can! Now you can brush, roll, dip or pour it on! Use anywhere you need a watertight, flexible rubberized coating ; Goes on smooth and covers fast, sealing out water, air and moisture ; UV-resistant ; Prevents rust and corrosion. EternaBond RV Roof Seal Sealant Tape & Leak Repair Tape. Rubber Flexx Clear Sealant - 10 Ways to Use! Watch on. This Liquid Rubber RV roof coating is quite heavy duty, boasting 1000% elongation, which basically means that it will flex with your RV’s roof instead of. 95 ($0. Prepare the surface. Flex Seal Liquid Rubber (32-oz) in a Can. USA (subject to change) Product Description. • Roof and gutter repair • Weatherize your home See full list on thisoldhouse. x 5 ft. Apply and use at checkout. Flex Seal, 14 oz, 2-Pack, Gray, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More. 62/Fl Oz) Get it as soon as Friday, Nov 241. 14 oz. FLEX SEAL #2035. Hover to zoom $ 19. Aerosol Liquid Rubber Sealant Coating (3-Pack) 32 Ounce Flex Seal Liquid White Liquid Rubber Sealant Coating Spray Paint: 12 oz. Compare $ 119. Went on great on top of my camper we will see how it holds up. 4 (14) 4. current price $110. 78/Fl Oz) List: $119. 27 Reviews. Flex Seal Liquid is liquid rubber in a can! Brush, Roll, Dip or Pour it on! Use anywhere you need a watertight, flexible rubberized coating. 98. Price. This paint-on liquid rubber sealant delivers a thick, flexible and watertight coating that seals out air, moisture and leaks for years to come. Add $ 56 00. I was able to seal my roof shingles after a recent hurricane. It can be used on wet or dry surfaces. Dry time depends on the temperature, humidity and thickness of the coating. 32 Ounce Flex Seal Liquid White Liquid Rubber Sealant Coating Spray Paint. If using Flex Seal Spray, aim at the problem area and spray using an even, sweeping motion. The sealant is designed to be used on fiberglass, metal, and rubber roofs. Stop leaks fast with the Flex Seal Liquid Rubber Sealant Coating. Liquid Rubber Sealant Coating (2-Piece) Shop this. Once dry FLEX SEAL® can be painted any color. Its easy to use and comes in a portable aerosol spray can. . With over one million products and 24/7 customer service we have supplies and solutions for every industry. Our asphalt shingle sealer can also be used to seal all microscopic cracks in clay roof tiles to stop leakage and extend useful life. Now that the project is done I can only hope and wait that Flex Seal will protect my roof and garden area from leaks and be able to endure the heat from the hot Texas summers. com®. Flex Seal MAX Liquid Rubber Sealant Coating, 2. Tips for Brushing/Rolling Applications. 98 /case ($ 15. Once dry, Flex Seal can be painted over. Videos for related products. It's easy to use and comes in a portable aerosol spray can. It also tends to dry quickly while being safe to use as it is devoid of any harmful petroleum distillates, citric ingredients, or abrasives that might damage your roof. Ideal for use on metal roof systems. What You Need 2 Know - Flex Seal Liquid Rubber Sealant Paint. Flex Seal Liquid Rubber (32-oz) in a Can. Herculiner Black Truck Bed Liner 15 oz. 00 g: Product Weight (kg) 397. Compare. com: Flex Seal Liquid, 1 Gallon, Black, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers. FLEX SEAL LIQUID MAX is a thick rubberized liquid that you can brush, roll, dip or pour. 5 gal. This item: Flex Seal, 14 oz, Gray, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More $17. 96 $ 111. Flex Seal Liquid Rubber Sealant Coating, Paint-On Weatherproof Leak Protector, White, 473-mL. How much does it cost to seal a rubber roof? The average cost to seal a roof is $1,207 and typically ranges between $447 and $1,989. White Liquid Rubber: Price $Liquid Rubber RV Roof Coating - Solar Reflective Sealant, Trailer and Camper Roof Repair, Waterproof, Easy to Apply, Brilliant White,1 Gallon. Dispose of contents and empty containers in accordance with local, state, and federal regulations. 00 /roll) (2090) FLEX SEAL FAMILY OF PRODUCTS. 95 $ 79 . Ziollo RV Flex Repair Tape - Roof Seam Tape to Seal and Waterproof, Bond to EPDM Rubber with Butyl Sealant, Seal Vents and Skylights on Motorhomes, Trailers, Campers (White, 4-inch x 50 Foot Roll) $54. ft. 3. Gorilla Waterproof Patch & Seal Liquid is a flexible, rubberized coating that seals out water, air and moisture. Forms a strong, breathable, weatherproof, non-slip barrier. Flex Seal will last for different amounts of time depending on the local climate and maintenance. BJ's Protection Plan 3 Years for $2. ”. Flex Seal, 14 oz, Green, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More. Out of all the options on our list, Rust-Oleum is the closest to Flex Seal. Spread rate: 60 sq. Business Hours: Monday-Friday: 8:30-5:30 est. Compliance & Restrictions. Flex Seal MINI is the easy way to coat, seal, protect and keep water out, even on the go. Aerosol Liquid Rubber Sealant Coating (6-Piece) FLEX SEAL is a rubberized sealant spray coating that sprays out as a liquid. It is easy to use, dries fast, and comes in different colors. - Waterproof tape made to patch, bond, seal and repair Flex Glue 6 oz - Waterproof glue to bond, seal and repair virtually. Flex Seal, 14 oz, 2-Pack, Gray, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More $35. It's easy to use and comes in a portable aerosol spray can. Non-hazardous, non-flammable and safe around plants and animals*. Flex Seal Black Flex Paste 1lb - Leak Repair Bundle with Putty Knife Set + Daley Mint Cleaning Towel | Quickly Fills Gaps, Holes, Cracks. 16 $ 35 . Flex Seal Gray 14 oz. Stops leaks fast. Flex Seal Family of Products Flex Seal White Liquid Rubber Sealant Coating 32 oz. IARC concluded lung tumors were observed in rats following high. Product Features: Includes: Flex Seal Spray (2 cans) - Easy-to-use rubberized coating seeps into cracks and seals out water Flex Seal Liquid 16 oz. It can be applied quickly and provides a watertight seal almost instantly. Flex Seal, 14 oz, 2-Pack, Clear, Stop Leaks Instantly, Transparent Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More 4. Flex Seal seals out water, air and moisture and helps prevent rust and corrosion. Went on great on top of my camper we will see how it holds up. Quick drying time: Flex Seal dries quickly, allowing you to test its effectiveness in just a few hours. EPDM Coatings provide rubber roof sealants/coatings for roof leaks repair. 98 (872). (00301) FS . Chemical and UV. . Whether spray, brush, trowel, or roller, the coating will adhere to almost every surface – concrete, stone, bitumen, EPDM, wood, PVC, metals, foam, tile, and zinc. Black Aerosol Liquid Rubber Sealant Coating Spray Paint. Flex Seal seals out water, air and moisture and helps prevent rust and corrosion. 99 ($0. Stop leaks fast with the Flex Seal Liquid Rubber Sealant Coating. 1. LeakSeal Flexible Rubberized Coating . Flex Seal Liquid Gray 1 Gal. Flex Seal Liquid is actually liquid rubberized coating in a can. AMES RESEARCH LABORATORIES MSS1 Maximum Stretch Roof Coating, 1 Gallon, White. Chemical resistantWhite, flexible roof coating with over 240% elongation and full memory. Product Details. 5) There are Better Products on the Market for Your RV’s Roof. Kohree RV Sealant Tape, 4 Inch x 50 Foot RV White Roof Seal Tape UV & Weatherproof Sealant Roofing Tape for RV Repair, Window, Boat Sealing, Truck Stop Camper Roof Leaks. 1500% elongation. Add to Cart. Flex Seal Liquid Black 32 Oz. Another EPDM rubber roof coating for RV camper trailer offered by Dicor is the Dicor RPCRC1. Ziollo makes quality items for RV owners, and the Ziollo RV Flex Repair Silicone RV Roof Sealant is another great product. Similar to our Flex Seal Spray, but now you can brush it, roll it, dip it or pour it anywhere you need a watertight, flexible coating or sealant. Flex Seal Liquid goes on smooth and covers fast, sealing out water, air and moisture. Whether you need to fix a leaky roof, a cracked pipe, or a damaged furniture, Flex Seal Rubber Sealant Coating can help you get the job done. Flex Seal Liquid fully cures in 48 hours. Flex Seal Family of Products Flex Seal Clear Liquid Rubber Sealant Coating 1 gal. Once dry, Flex Seal can be painted over. 99 $ 79. The applicator nozzle has a controlled spray pattern providing a clean, even coat. Liquid Rubber’s product range is environmentally safe and used for waterproofing and corrosion protection to both horizontal and vertical surfaces, above and underground. Rubberseal is a high end liquid rubber waterproofing product specifically designed to provide an outstanding seal for all types of home and industrial waterproofing applications. Clean the roof as much as possible, and pick up any large pieces of debris. Black Jack® Rubr-Coat #57 is a premium rubberized coating for waterproofing roofs & foundations. Pros. On the other hand, rustoleum rubber sealant is quite resistant to temperatures, and thus a better choice for the longevity of your sealant. Adheres to metal, fibreglass, masonry, concrete and clay. We had RV Armor coat our roof in September 2015 while in Bradenton, FL at a campground. Dicor Self-Leveling Lap Sealant : Best Option for RV Roofs. Mildew and chemical resistant. Once dry, Flex Seal can be painted over. AI Score is a ranking system developed by our team of experts. Options +2 sizes. It also comes in multiple colors and is a great sealant. Prepare the surface. It makes the wood waterproof, rot-resistant, and scratch-resistant. Apply Tough Repair coating over the top of the tape repair job. There are only three basic steps to a liquid rubber application. One can treats 2-12 square feet. Harmful or fatal if swallowed. As a result, Flex Seal can be used to repair leaks and cracks. Aerosol Liquid Rubber Sealant Coating (6-Piece) FLEX SEAL is a rubberized sealant spray coating that sprays out as a liquid. *When Flex Seal Liquid is in a fully cured and dried state. Mildew and chemical resistantFlex Seal Liquid is liquid rubber in a can. Spent thousands of dollars. -Pack, Black, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More. 95 ($1. 86 $ 23 . 95. LeakSeal 18. Get Flex Shot. Versatility: Flex Seal is versatile, and you can use it to seal around windows, vents, and other openings in your RV. This item: Liquid Rubber EPDM Rubber and RV Roof Primer - Weatherseal Camper and Trailer Roofing Coating 1 Gallon $79. I will also buy Superflex when I need a new tube. Best For Spot Sealing: Heng’s Rubber Roof coating for RV. ) 4. Flex Seal sprays out as a liquid, seeping into cracks and holes, and then dries to a rubberized coating. Roof Coatings; Roof Sealants; Roof Leak Repair. Container Size. com. Rubr-Coat has exceptional adhesion to existing roofing, masonry surfaces, wood, foam board insulation and metal surfaces. 14 oz. Can be top-coated with latex or oil based paints. Flex Seal Sealer, allows to stop liquid or gas leaks in roofs, drains, skylights, ventilation systems, ducts, trailers, among others. Hover to zoom. Seal and protect your roof against the sun's heat and harsh UV rays with Gardner-Gibson Sta-Kool Elastomeric Roof Coating. Last I heard they no longer do slide roofs. Now $21. It can be used on wet or dry surfaces. 2:35 . Liquid Rubber RV Roof Coating Solar. 45 $ 49 . A thin layer of Flex Seal will usually dry to the touch within about 2 to 3 hours and fully cures in 24 to 48 hours. It can be done with simple steps and precautions to ensure success. 2:14 . A properly prepared substrate is paramount to the optimal application and performance of a. 95. Great for gutters, roofs, flashing, ductwork, PVC, masonry, concrete and more. Great for roof leaks, gutters, skylights, window sills, PVC pipes, campers and more. Gorilla Waterproof Patch & Seal Spray is a flexible, rubberized coating that seals out water, air and moisture. 32 Ounce Flex Seal Liquid White Liquid Rubber Sealant Coating Spray Paint (1786) $ 34. Flex Seal Liquid Gray 1 Gal. Like our Flex seal spray, but now you can brush it, roll it, dip it or pour it anywhere you need a watertight, flexible. 4 4. I made sure each application was thoroughly dry by waiting 48 hours before applying the next coat. Water simply leaks through the Flex Seal as though it were not even their. Dries to touch in 30 minutes and covers up to 8 sq. For a frame of reference, one 5 gallon pail of Liquid Rubber RV Roof Coating will coat RVs up to 30 feet in length. Description. Ideal for use on metal roof systems. Liquid Rubber Sealant Coating: 32 Ounce Flex Seal Liquid White Liquid Rubber Sealant Coating Spray Paint: Price $ 16 98 $ 14 98 $ 34 98 $ 34. Videos for related products. Departments. Black Aerosol Liquid Rubber Sealant Coating Spray Paint. roll on roofing coating black. $10290 ($0. Surprisingly, it comes with a lifetime warranty, which makes it one of the best RV sealants. ) Aerosol Spray Liquid Rubber Sealant/Coating in Black Flex Seal is an easy to use rubberized coating that sprays out as a liquid, seeps into cracks and holes and dries to a watertight, flexible coating. Use a scrub brush and a bucket of soapy water. Flat roof coatings will cost between $0. Now all the strength of original FLEX SEAL ® is available in powerful, portable Minis! Flex Seal Mini is actually liquid rubber in a can! It sprays out as a thick liquid, seeps into cracks and holes and dries to a watertight, flexible, rubberized coating. $79. .