Dark Gray Liquid Rubber: Price $ 109 98 $ 219. Black Jack® Rubr-Coat #57 is a premium rubberized coating for waterproofing roofs & foundations. roll on roofing coating black. Options. It’s also encouraged to use white due to the reflective properties. Click to play video. 00 per square foot for labor as broken down in the cost per square foot section above. Liquid Rubber USA . 07/Fl Oz)FLEX SEAL® is a rubberized leak sealer that seeps into cracks and holes to seal out air and moisture. N. Get Flex Shot. 4 out of 5 stars 10,839Read entire can. Blocks out air, water and moisture. Shop Amazon for Rust-Oleum 267970 LeakSeal Flexible Rubber Coating Spray, 12 Ounce, White,. Harmful or fatal if swallowed. As a result, Flex Seal can be used to repair leaks and cracks. But Flex Seal is recommended. Won’t sag or drip in the summer heat. Stop leaks fast by spraying this Flex Seal Liquid Rubber Sealant Coating anywhere you need it. Armor Shingle Roof Coating provides a unique breathable shingle roof coating that allows moisture vapor to pass through the coat. Liquid, rubberized coatings are sprayed on to surfaces and then dry to be waterproof barriers. Lowest price in 30 days. Options +2 sizes. The nice thing about this Dicor Sealant is its ability to stick to all kinds of roofing surfaces. Buy 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,. More Options Available $ 14. If using Flex Seal Spray, aim at the problem area and spray using an even, sweeping motion. Compare. So, instead of always needing a pot of rubberized paint and a paint roller to hand, the spray is more convenient. Ideal for use on metal roof systems. THICK RUBBERIZED LIQUID YOU CAN BRUSH, ROLL, DIP AND POUR Seals out air, water and moisture and is mildew, chemical and UV resistant. It can be used in both hot and cold climates, making it a versatile solution for roof repairs. Flex Seal, 14 oz, 2-Pack, Red, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More $29. ) 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. humidity, and thickness of the coating. /14 oz. A: James, you can use Henry 287 Solar-Flex Acrylic Reflective Roof coating over an aged metal roof. The drying times of some of the most popular Flex Seal products on the market. Plasti Dip. Best of all it comes in 12 different colors. Ideal for modified bitumen, Hypalon ®, BUR, metal, TPO, wood, concrete, and EPDM. 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. Flex Seal seals out water, air and moisture and helps prevent rust and corrosion. WARNING California’s Proposition 65. 10/Foot)Flex Seal 14-fl oz (Color), liquid rubber coating spray that turns into a durable waterproof barrier. Stops leaks fast. Volume: 2 oz. 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. It's easy to use and comes in a portable aerosol spray can. 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. Flex Seal coats, seals, protects and will stop leaks fast! Available in 12 vibrant colors. 5 4. o. After discussing flex seal coating, it is time to reveal flex seal vs. Blocks out air, water and moisture. Gorilla Waterproof Patch & Seal Rubberized Sealant Spray, White, 14oz (Pack of 1) $1494. Pro Tip: Hold the can at a 45-degree angle and apply directly to the problem area being treated. Order now and get a 2 pack of 14 oz gray cans for a great price. No need for prepping, works wet or dry. Once applied, the self leveling formula. EternaBond RV Roof Seal Sealant Tape & Leak Repair Tape. you can trust. Here are the top 15 Best RV coatings and sealants to fix a leaking camper roof: Best Overall: Dicor 95D40-35 Epdm RV Rubber Roof coating. FLEX SEAL FAMILY is liquid rubberized coating in a can. Ideal for use on metal roof systems. Flex seal on Rv roof. After it has dried, you may paint it whatever color you like. This product has the benefit of being non-toxic, non-flammable, and non-hazardous. 99. ) 4. Now $21. Liquid-Applied Roofing Acrylic Roof Coatings; Plumbing. Flex Seal Liquid Gray 1 Gal. 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 4. Flex Seal MAX, 17 oz, 1-Pack, Clear, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More 4. 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. Brush or roll Flex Seal Liquid using an even sweeping motion. 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. Liquid Rubber Sealant Coating (2-Piece) Flex Seal Liquid is actually liquid rubberized coating in a can. 2) It’s Made from Silicone. Flex Seal sprays out as a liquid, seeping into cracks and holes, and then dries to a rubberized coating. 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. 2:14 . Already in one gallon size. Read page 1 of our customer reviews for more information on the FLEX SEAL FAMILY OF PRODUCTS 14 oz. Flex Seal stops vibrations and deadens noise. 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. Flex Seal Liquid seals and protects surfaces from the elements, and extreme temperatures. Can be used to seal venting systems and AC systems. 95 ($1. Videos for related products. EternaBond RoofSeal White 6" x50' MicroSealant UV Stable RV Roof Seal Repair Tape - $81. FlexSeal Liquid Rubber in a Can : Best for Quick Repairs. Roof Repair with Leak Stopper Rubber Flexx. Rubberseal Liquid Rubber Sealant: Best for Low-Pitch Roofs and Protecting Against Standing Water. 98. Apply Product. FLEX SEAL seeps into cracks and holes and dries to a watertight, flexible coating. Flex Seal Liquid Black 32 Oz. 98 (892) Gorilla. 5 Gallon, White, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers. 4 4. With over one million products and 24/7 customer service we have supplies and solutions for every industry. Everyday's Kaleidoscope . Its unique formula effectively stops water penetration, resists UV rays, and prevents. 💪Our super-thick rubber liquid is designed to coat, seal, and protect. Forms a durable, breathable, weatherproof, non-slip barrier. Top Rated $ 59. 88. Using flex seal roof coating is simple. 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. Dark Gray Liquid Rubber. Flex Seal seals out water, air and. Normally, each layer of Flex Seal LFSWHTD01BC takes around two days to cure totally. Call 1-800-523-0268. Great for roof leaks, gutters, skylights, window sills, PVC pipes, campers and more. I will also buy Superflex when I need a new tube. White, flexible roof coating with over 240% elongation and full memory. 4 out of 5 stars. resists mildew and algae. Designed for Pros, Flex Seal Liquid MAX Comes in a Convenient 2. Our RV Roof Sealant is the best solution to completely overhaul your RV, Camper or Trailer roof, you will never have. 3. Blocks out air, water, and moisture. Roof Coatings; Roof Sealants; Roof Leak Repair. It clings to the surface and instantly fills large gaps, cracks and. Rust-Oleum LeakSeal Flexible Rubber Coating. 83Flex Seal dries to touch within 2 to 3 hours and takes 24 hours to cure fully to their maximum strength. Excellent for use of RV. Once dry,. 9. With over one million products and 24/7 customer service we have supplies and solutions for every industry. Save 17%. Use a blower or a broom to remove any remaining dirt and debris off the roof. Simply. Wipe wet Flex Seal off with paper towel. Description & Documents. Herculiner Black Truck Bed Liner 15 oz. com WIDER IS BETTER. Flex Seal MINI is the easy way to coat, seal, protect and keep water out, even on the go. Blue. $ 34. The Flex Seal Liquid Rubber comes in 16 Oz cans which is a good enough amount that you can use to repair multiple cracks and leakage areas on your rooftop. Donât Miss: Average Shingle. (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. 1 x 9. 1500% elongation. Be sure to allow the product to cure in between coats and before water exposure. Best RV Roof Coatings Featured in this Video: 0:16 1. Step 1: Clean the Roof to Remove Debris and Surface Contaminants. Find helpful customer reviews and review ratings for Flex Seal, 14 oz, Clear, Stop Leaks Instantly, Transparent Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More at Amazon. The black gorilla waterproof patch and seal spray. Best For Leak Repair and Seam Sealing: EternaBond RSW white RoofSeal Sealant. DANGEROUS GOODS CLASS: Flammable Liquid, n. 5 Gal Size. 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. ft. Flex Seal Liquid Roof Sealant. It's easy to use and comes in a portable aerosol spray can. Brand: Flex Seal 4. Flex Seal Liquid Rubber is a non-toxic, versatile RV roof sealant that has been gaining recognition for its exceptional results. Acrylic. LR Waterproof Sealant : Best Overall. It can also be used to prevent rust and corrosion. Spray Sealants Roof Sealants Liquid Rubber Window Sealant Caulk Caulk Tools Caulk Guns Caulk Remover Flex Seal Waterproofers and Sealers Weatherstripping Weatherproofing. Flex Seal Liquid, 16 oz, Clear, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers. White, flexible roof coating with over 240% elongation and full memory. It can be applied quickly and provides a watertight seal almost instantly. Black Jack® Rubr-Coat #57 is a premium rubberized coating for waterproofing roofs and foundations. But that’s a quick snapshot and there’s a lot more. It is best to use a sealant with a high solidity, such as polyether or silicone. Most of these liquid coatings come in portable aerosol spray cans to be sprayed into foundation cracks and holes for instant sealing. This item: Rust-Oleum 265495 LeakSeal Flexible Rubber Coating Spray, 11 Ounce, Clear. The Geocel 22300 Clear Gallon Pro stands out as one of the best all-round asphalt roof sealants for 2021. With over one million products and 24/7 customer service we have supplies and solutions for every industry. Flex Seal Family of Products Flex Seal White Liquid Rubber Sealant Coating 32 oz. It is 100% waterproof and cures to be safe in the rain after just 15 minutes. Flex Seal begins curing as soon as it’s exposed to the air, so don’t take your time here. Flex Seal will last for different amounts of time depending on the local climate and maintenance. Self healing properties allow rubberseal to recover from punctures and substrate movement. Yes, you can safely use Flex Seal on your RV roof. Sealants last between 10 and 20 years on average, but some last longer. Flex Seal Liquid, 16 oz, Black, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry. Gorilla Waterproof Patch & Seal Liquid Rubber Sealant, Crystal Clear, 32oz (Pack of 1) $29. Cons. We had a leak on the back wall due to exposed screw heads at the rubber roof and rear cap joint. Make sure you are coating thick layer over the tape of approximately 1/8" thick. $8. Stop leaks-Flex Seal & Gorilla Waterproof Sprays. Quick Summary. It is necessary. Meanwhile, roof tar is a product with a creamy form to repair the roofs from problems. Flex Seal seals out water, air and moisture and helps prevent rust and corrosion. 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. Chemical resistantZiollo RV Flex Repair 100% Silicone RV Roof Sealant - EPDM Rubber Coating to Waterproof Metal and Fiberglass on Motorhomes, Trailers, Campers (White, 1 Gallon) 610. Whether you need. Dicor RPCRC1 EPDM Rubber Roof Coating. Dicor 501LSW-1 Epdm Self-Leveling Lap Sealant. Liquid Rubber Sealant. 1 inches. BJ's Protection Plan 3 Years for $2. com: ToughGrade Flex Coat Rubber Roof Coating | RV Rubber Roof Coating | RV EPDM, TPO, PVC Repair | RV Roof Sealant (1) : Automotive. 5 Gallon, Black. Flex Seal Liquid Gray 1 Gal. EternaBond RoofSeal White 6" x50' MicroSealant UV Stable RV Roof Seal Repair Tape - $81. Asphalt. 5. 98 (3005)Rust-Oleum LeakSeal RV & Mobile Home Waterproof Flexible Roof Coating, White, 3. 42, while Flex retails at 29. 32 Ounce. It starts out as a thick liquid and dries to a strong, flexible, watertight,. Product Overview. It gained popularity because of its overall quality and functionality. Non-toxic, odorless, zero VOCs or chemical runoffs. 0 out of 5 stars 6. It can be applied by brush, roll, trowel, dip or pouring. -Pack, Black, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More. It can be used to fix leaks, holes, and cracks. Flex Seal lasts for up to 30 years on a roof. 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. There are 2 variants of rubber roof coating: one is made from thermal poly Ofelin and the other is made from ethylene propylene monomer. 98 $ 29 . 4. 3. $20. FSH8W. 98 ($1. 2 Gal. 32 Ounce Flex Seal Liquid White Liquid Rubber Sealant Coating Spray Paint. Highly reflective and listed by the Cool Roof Rating Council for solar reflectance and thermal emittance. 241 4. Best For Metal or Fiberglass Roof: Dicor RP-MRC-1 Elastomeric Coating. Leak Seal sprays on like paint, rather than a rubber coating. A: Hey there, thanks for reaching out. Liquid Rubber Sealant Coating (2-Piece) Shop this. The DEHCO Heng’S 16-46128-4 Coating Rubber Roof is an ideal choice for sealing and protecting the rubber roof of your camper. Because it is small and durable, it is a good choice for minor roof repairs such as leaks and vulnerable edges because it can last for up to 30 years. Chemical and UV resistant. 32 Ounce Flex Seal Liquid White Liquid Rubber Sealant Coating Spray Paint. LeakSeal dries to a semi-smooth, firm finish that will not sag or drip. Available in black, white,. Jammin & Shell . Flex Seal MAX is a rubberized sealant spray coating that sprays out as a liquid. Pros: Resilient ; Superb handling ; Container capacity is. 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. 2) It’s Made from Silicone. 00. Amazon. Sunday-Holidays: Closed. 98. 00 /roll) (2090) FLEX SEAL FAMILY OF PRODUCTS. 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. . This Flex Seal Spray Rubber Sealant Coating is the easiest you can use to give a watertight seal to your RV roofs. 7 Blue Ox WD. 5 Gal. It is made with black liquid rubber that helps cover fissures, cracks and holes from any angle. FLEX SEAL® is a rubberized leak sealer that seeps into cracks and holes to seal out air and moisture. Key Features: Easy to apply – You can pour it on the surface or brush it on, whichever is easier for you. It starts out as a thick liquid and dries to a strong, flexible, watertight, rubberized coating. Also, if you need to seal your tile roof, tin roof, or other kinds of roofing material, expect this Dicor product to adhere to. It can be done with simple steps and precautions to ensure success. 00 g: Product Weight (kg) 397. 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. Videos for related products. Time to try Flex Seal, after cleaning the area removing loose caulk and dirt, I followed directions and with a 2” brush was able to work Flex Seal into small cracks and crevices while building a smooth outer finish to deflect water. Seals out air, water and moisture and is mildew, chemical and UV resistant. Flex Seal Gray 14 oz. This long lasting rubberized repair is specially formulated to penetrate deep into damaged areas and stop roof leaks instantly. Videos for related products. Mildew and chemical resistant. Flex Seal Liquid, 1 Gallon, White, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry 100% Silicone Roof Patch – Prevent and Repair Leaks – Complete Waterproofing – Easy Trowel or Brush Application…Flex Seal, 14 oz, 6-Pack, Brite, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More. 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. com: Flex Seal Liquid, 1 Gallon, Black, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers. If you're looking for more RV repair and maintenance essentials, check out our pages on: Roofing Systems, Sealants, and Glue & Tape. Compare. gives roofs a super brown finish. 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 [Upgrade] $29. 3. 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. 5 out of 5 Stars. Apply at least 2 coats of the Dicor rubber roof coating product. Now with Dirt Pick-Up Resistance (DPR) Technology, it will keep your roof whiter and brighter longer. 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. 2 Gal. 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. 14 oz. Chemical resistantWhite, flexible roof coating with over 240% elongation and full memory. Use anywhere you need a watertight, flexible rubberized coating. Compare. Check Price. Compare. FLEX SEAL® 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. Product Details. size, in three colors: black, white or clear. Products used: Flex Seal Liquid Rubber (white)- *We needed almost 3 gallons for our 34ft fifth wheel Flex Seal Adhesive Remover-. Apply the coating with a medium nap roller or a brush to your RV’s roof. Liquid Rubber Sealant Coating (2-Piece) Flex Seal Liquid MAX Black 2. Overall, Flex Seal is an effective solution for fixing roof leaks, but it should only be used as a temporary fix until a permanent solution. Last I heard they no longer do slide roofs. 00 of select items. It’s a liquid rubber sealant spray that works precisely the same. Flex seal spray is a spray-on liquid rubber sealant that claims to fix gaps and cracks in anything from roofs to gutters to skylights with a watertight seal after 24 hours of curing. Apply Tough Repair coating over the top of the tape repair job. This item: Leak Stopper Rubber Flexx Liquid Rubber Coating - Seal & Waterproof Protection – for Boats, Roof, Tents,. 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, 14 oz, 2-Pack, Brite, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More Brand: Flex Seal 4. 4 4. It also comes in multiple colors and is a great sealant. Step 5. Stop leaks fast with the Flex Seal Liquid Rubber Sealant Coating. Keep an extra can in your car, camper or RV to always be prepared. Add. 75 l: Product Weight (g) 397000. com®. 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. 98 (892) Gorilla. Flex Seal 14-fl oz (Color), liquid rubber coating spray that turns into a durable waterproof barrier. com®. $10290 ($0. Creates a water, moisture and air. 99. Great for roof leaks, gutters, skylights, window sills, PVC pipes, campers and more. This elastomeric roof coating i. 6 out of 5 Stars. Lanco Seal Rubber Roof Coating 1 Gal Coolguard Rv Home Protect Waterproof Paint. Last on this mobile home roof seal list is the Rust-Oleum LeakSeal Flexible Rubber Coating which has a crystal clear formula and comes in smaller sizes – 8 and 30 ounces- and costs around $15 to $50, depending on which size you will buy. Rust and moisture resistant applies for superior protection from leaks and cracks. Blocks out air, water, and moisture. Forms a strong, breathable, weatherproof, non-slip barrier. Withstands impact and prevents cracks. $20. Roof Repair with Leak Stopper Rubber Flexx. Also, if you need to seal your tile roof, tin roof, or other kinds of roofing material, expect this Dicor product to adhere to. 2:42 . 98 ($1. Flat roof coatings will cost between $0. 99, you can’t really ask. Excellent for use of RV Roofs, fills minor holes and will not become brittle with age. Rubber roof coating is the most common RV roof coating used by RV owners. 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. Find My Store. The sealant fills in all cracks and gaps then hardens to form a water-tight rubber seal over the damaged areas, stopping roof leaks. Commercial-grade waterproofing suitable for your construction site or home. How to Series Sealing Blacktop and Asphalt Driveways Applying Aluminum Roof Coatings Applying Reflective Roof Coatings Applying Elastomeric Cool Roof Coatings Applying Asphalt Roof Coatings Applying Foundation Coatings Repairing Roof Leaks Mobile Home Repair with Leak. 6. Once dry FLEX SEAL® can be painted any. 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. Flex Seal is one of the best brands that you can pick in case you want a liquid rubber sealer for repairing your roof. Flex Seal MAX, 17 oz, 2-Pack, Black, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More Add to Cart Customer RatingProduct Details. Available in black, white, clear and gray. Seals leaks. 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. 3) The Flexibility and Expansion/Contraction Characteristics Don’t Match That of an RV Roof. BEST FOR FLAT ROOFS: Rubberseal Liquid Rubber Waterproofing. UV and chemical resistant. Videos for related products. FREE delivery. Best For Spot Sealing: Heng’s Rubber Roof coating for RV. Response from Customer Service Show Oct 6,.