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Flex Seal Liquid

Flex Seal Liquid, Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry, White, 1 Gallon

  • Based on 1,411 reviews
Condition: New
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Availability: Only 3 left in stock, order soon!
Fulfilled by SWIFTCHOICE
Arrives Thursday, Oct 22
Order within 23 hours and 12 minutes
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Size: 1-gal


Features

  • 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. Chemical resistant

Description

Starts out as a thick liquid and dries to a super strong, flexible, watertight, rubberized coating. Blocks out air, water, and moisture for a superior seal, virtually anywhere. Extends the life of patio furniture, pool pumps, RV and shed roofs, and more. Expands, contracts, flexes and stretches. Resists rain, snow, sun, and hail. Works on all types of surfaces, even challenging ones, like metal and glass. Use indoors and outdoors for basement waterproofing, foundation fixes, roof repairs, and more. Fully clean and dry the surface for best results. Etch the surface to help with adhesion if needed. For the best application, use a standard disposable paint roller or paint brush. Apply several even, thin coats and wait 24 - 48 hours for each layer to fully dry before adding the next. Always place the lid back on the container after each use. If drying occurs, remove any skin before using product.

Material: Rubber


Brand: Flex Seal Liquid


Style: Liquid Rubber


Item Weight: 11.3 pounds


Item dimensions L x W x H: 7.75 x 6.5 x 6.5 inches


Brand Name: Flex Seal Liquid


Unit Count: 128 Fluid Ounces


Global Trade Identification Number: 93


Number of Items: 1


Included Components: Flex Seal Liquid, 1 Gallon, White


Manufacturer: Swift Response, LLC


Model: LFSWHTR01


Part Number: LFSWHTR01


Item Weight: 11.3 pounds


Item Dimensions: 7.75 x 6.5 x 6.5 inches


Water Resistance Level: Waterproof


Item Form: Liquid


Compatible Material: Aluminum, Asphalt, Ceramic, Concrete, Copper, Fiberglass, Glass, Metal, Plastic, Polyvinyl Chloride, Porcelain, Vinyl, Wood


Style Name: Liquid Rubber


Color: White


Surface Recommendation: Gutter, Roof


Material Type: Rubber


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Oct 22

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Similar Products

Top Amazon Reviews

    • This stuff really works!
I’m glad I purchase this, I needed it to paint my banisters in the front area of my home because I did not want the wood to rot. Glad I purchased this it doesn’t allow the wood to rot It turns it into like a hard plastic coat. I wish I used it in the back of my house now I have to replace the wood banister. It’s a really good waterproof paint. It’s tough to put on, so make sure you have some gloves And a sturdy paintbrush, because it goes on like glue. ... show more
Reviewed in the United States on February 13, 2025 by Gospel Impact Radio
    • Very nice finish and seal
I applied this to our camping trailer and “wow” what a very nice finish and seal on the roof. Yes, I will order it again
Reviewed in the United States on March 12, 2025 by Dana
    • Great product
Used a gallon of white to paint over the seams of the roof of my enclosed trailer and its edges as the existing caulk had worn away. Some areas were much cleaner than others but the Flex Seal liquid adhered much the same. Permanently fixed some phantom leak spots I could never find! Will use again for several other projects needing protection and waterproofing. ... show more
Reviewed in the United States on December 24, 2024 by PETER L.
    • Makes a good, rubbery waterproof seal.
I bought the gallon size. It arrived packaged very well, secured top and bottom with Styrofoam in its own box which was placed in a larger box. The lid was secured with 4 clips to keep the lid on, though I was able to remove those clips with my fingers. It is quite thick. Not like putty but more like a very thick molasses. It will pour but you'll need to spread it out. It will self-level somewhat. I applied this in full sun in the 80s, and it seemed to cure in just a few hours. There is a lot of fumes that comes off this, so excellent ventilation is needed. A smooth substrate will need to be sanded to allow it to stick well to a smooth surface. I had no problem. Directions say that it cannot be painted or accept other coverings, but from a YouTube video, Flex Paste will adhere very well to it and Flex Paste can take other coverings like paint and such. The can re-seals well, and I'm confident that it can be stored for a long time in a closed can and still be usable. This is a good product that can seal many problem areas. ... show more
Reviewed in the United States on August 10, 2024 by Timothy Parker
    • Wow
Can’t believe this really works!!! Expensive but it worked.
Reviewed in the United States on January 14, 2025 by G-Man
    • Beats best expectations
Many people told me this was a great product. I've used it two or three times now and it has far exceeded the best expectations that I could have going into it. I painted some things outdoors with it last year and saved my cracked up ac housing on my RV with it. Last week I sealed the entire roof of the RV with it as well. Just to let you know how well this stuff sticks- I got some of it on my leg I think that was Sunday. It is now Friday and I've been washing that spot on my leg with soap and water for a week and it still has not come off. I recommend reading the directions well, they have a website online- and having an assortment of three or four different tools to use for application so you can find the one that spreads it in the fashion that you prefer. Don't forget to cover the can after you pour some in your container for application. It does not do well with exposure to air in the can. I doubt I will ever not have some of this stuff on hand again. ... show more
Reviewed in the United States on May 6, 2022 by Ketchup
    • 2 years later still perfect
I covered my chimney with this in Sept 2022. It still looks and feels absolutely beautiful. The layer is still soft and supple but completely intact all over the brick surface. It looks stunning too.
Reviewed in the United States on October 17, 2024 by Me
    • STOP!!! Read this first...
1st off...what a great product 👌 👏!!! ****BUT**** if the can arrives dented on the top you better use ALL of it once you open it!!! I didnt mind that the top was dented very badly bc it was still closed, but I only used about half of the $120 gallon and tried to put the top back on, was unable to due to the dents! I came back to use the other half 2 days later and it was a big cylinder of hard rubber, unable to use 😒...like I said tho, great product, but use it all if its dented or do not except it...(especially with the $$$ gallon can) and flexseal took amazing care of me after finding out what had happened! what a great product, with great customer service! wish i could give it an extra star!!! thank you flexseal... ... show more
Reviewed in the United States on September 11, 2022 by amanda regan

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