Flex Seal MAX, 17 oz, 2-Pack, White, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More

Description:

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. Dries to a watertight, flexible, rubberized coating. Stays flexible and pliable and lasts many years.
  • Transform and protect virtually everything! Ideal for arts & crafts, projects & hobbies.
  • Will not sag or drip in the Summer heat. Will not crack or peel in the Winter cold.
  • Review:

    4.6 out of 5

    92.50% of customers are satisfied

    5.0 out of 5 stars Great Product!

    K.G.S. · October 5, 2023

    Thanks to Mother Nature, and a moderately damaging hail storm, my camper trailer suffered some damage to the 2 roof vents, with some fairly large chunks completely knocked out. I had already replaced the roof vents in 2017, due to a worse hail storm, and wanted to consider an easier fix. So...I used Titebond glue to adhere strips of drywall repair mesh (comes in a long roll, like drywall tape) over the gaps and to stabilize the multiple cracks. I put a small piece of painters' blue masking tape on the inside of the vent where the mesh was open to the interior, as I couldn't find a good size chunk of the roof vent plastic. The following day I used the Flex Seal Max spray over the entire surface of both roof vents. I sprayed it on very thick, to completely cover the mesh tape. The consistency of this product is obviously thin enough to produce an easily-sprayed product, for better aesthetic coverage, but it was probably a bit too thin for my application. I also used a 2" disposable foam brush to try and get thicker coverage over the mesh taped areas, once the product had started to set-up. The product's solvent evaporates fairly quickly, so I made another spray pass over the hand-brushed areas for better looks, and in case I had disrupted the coverage, to avoid leaks. The job looks great and appears to be adequately sealed. I'm also hoping that the 'rubberized' coating may be more hail resistant. Plastics at Denver's altitude take a real beating from UV exposure, so I'll see how this idea pans out. This spray also may be a good idea as a preventative to avoid moderate hail damage. Update: after waiting several days for the Flex Seal to cure, I tried to remove the small strip of blue painters' tape from the inside of the roof vent. The Flex Seal stuck to it pretty bad, and stripped off a little of the product. Luckily, I still had some left in the large, 17oz can, and made another pass to seal off the few small holes. Hopefully I'm now done with this project!

    5.0 out of 5 stars Water proof

    C.D. · August 27, 2024

    Flex steel is everything they say it is. I needed to stop a leaking floor door step. I bought this praying it would work. It more than met my expectations. Great product

    4.0 out of 5 stars indoor fume alert

    J.C. · August 4, 2023

    I believe the stuff works really well but the propellants are bad. The directions do have proper warnings. I had 2 windows open and 2 fans blowing air out of the room I wore goggles gloves and a good N95 mask and still felt uncomfortable with my exposure.Yes, it does seem to have fixed the issue with flooding rains causing water to come into my house through cracks in foundation and slab.

    5.0 out of 5 stars d

    T.K. · October 18, 2024

    Quick and easy to use and or apply. Use on our RV, but make sure you put a thick layer over crack, etc

    5.0 out of 5 stars Use all the time

    T. · November 2, 2024

    We use this all the time for repairs. Great stuff!

    3.0 out of 5 stars Not great

    T.r.r. · October 1, 2024

    Very watery. I'll have to apply again, I used for truck cap roof bolts. Didn't seal like I expected.

    5.0 out of 5 stars It works!!!

    L.D. · November 10, 2024

    I was hesitant but hopeful. A few leaks under my patio cover... NOT ANYMORE!!!

    5.0 out of 5 stars Flex Seal spray

    J.L. · June 9, 2024

    Great product for sealing gutters and downspouts. Drying time is quick and it is easy to use.

    Flex Seal MAX, 17 oz, 2-Pack, White, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More

    4.5

    BHD23676

    Quantity:

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    Free delivery on orders over BHD 20

    Return and refund policies

    Product origin: United States

    Electrical items shipped from the US are by default considered to be 120v, unless stated otherwise in the product description. Contact Bolo support for voltage information of specific products. A step-up transformer is required to convert from 120v to 240v. All heating electrical items of 120v will be automatically cancelled.

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