FlexSeal
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Flex Seal Spray Flood Protection, 10 oz, 1-Pack, Waterproof Rubberized Coating, Removable, Use on Door Tracks, Seams, Sills, Small Openings, Corners, and Irregular Shapes and More
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Flex Seal Spray Flood Protection, 10 oz, 1-Pack, Waterproof Rubberized Coating, Removable, Use on Door Tracks, Seams, Sills, Small Openings, Corners, and Irregular Shapes and More
Help defend your home from rising water by applying our Flood Protection Paste, Tape, Spray, and Liquid to every opening of your home where floodwaters could enter.
Flex Seal Spray Flood Protection, 10 oz, 1-Pack, Waterproof Rubberized Coating, Removable, Use on Door Tracks, Seams, Sills, Small Openings, Corners, and Irregular Shapes and More
Item #: 223335393

Flex Seal Spray Flood Protection, 10 oz, 1-Pack, Waterproof Rubberized Coating, Removable, Use on Door Tracks, Seams, Sills, Small Openings, Corners,

Item #: 223335393

GBP 24

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Price
GBP 24

Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )

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This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
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Help defend your home from rising water by applying our Flood Protection Paste, Tape, Spray, and Liquid to every opening of your home where floodwaters could enter.
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Product Details

Shop Flex Seal Spray Flood Protection, 10 oz, 1-Pack, Waterproof Rubberized Coating, Removable, Use on Door Tracks, Seams, Sills, Small Openings, Corners, and Irregular Shapes and More online at a best price in UK. B0BSR83SC7
  • Verified by UL for no water penetration through 1/8 gaps at depths up to 3 feet, for 14 days
  • Use in combination with other Flood Protection Products
  • Can be used as a primer coating and final coat of protection for various areas
  • Easily removable after floodwaters recede
  • Designed to work together to create multiple layers of waterproof protection
  • Independently tested by UL Solutions to hold back 3ft of water for 14 days on gaps up to ½ inch
Item Weight1.1 lbs (500 grams)

Product Description

Flex Seal Spray Flood Protection, 10 oz, 1-Pack, Waterproof Rubberized Coating, Removable, Use on Door Tracks, Seams, Sills, Small Openings, Corners, and Irregular Shapes and More

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Customer Questions & Answers

  • Question: What is Flex Seal Spray and how does it work?

    Answer: Flex Seal Spray is a waterproof rubberized coating that can be used to seal various surfaces against moisture and flooding. Its unique formula allows it to adhere to a wide variety of materials, making it ideal for door tracks, seams, sills, and small openings. Once applied, it creates a durable barrier that prevents water from seeping through. For instance, if you have gaps in your window sills, applying Flex Seal can help protect your interiors from water damage during heavy rain.
  • Question: What surfaces can I apply Flex Seal Spray on?

    Answer: Flex Seal Spray can be used on multiple surfaces including metal, wood, glass, plastic, and concrete. This versatility makes it suitable for a range of projects, whether you are sealing leaking gutters, repairing a roof or protecting tools stored outdoors. When applying the spray, ensure the surface is clean and dry for optimal adhesion. For example, if you’re working on your bathroom, it can help seal small cracks where water might leak in.
  • Question: Is Flex Seal Spray removable after application?

    Answer: Yes, Flex Seal Spray can be removed after application, which is a key feature of the product. While it creates a strong bond, it can be peeled away or scraped off the surface without damaging it. This is particularly useful if you ever need to make repairs or changes. For instance, if you used it to patch a crack, but then decide to tile over that area later, you can easily remove the Flex Seal before starting your new project.
  • Question: How long does it take for Flex Seal Spray to dry?

    Answer: Flex Seal Spray typically requires 24 to 48 hours to fully cure, depending on conditions such as humidity and temperature. While it may feel dry to the touch within a few hours, allowing more time ensures that the coating has bonded properly to the surface for optimal performance. For example, if you seal a crack in your basement, waiting a full day ensures complete waterproofing before exposing it to heavy rain.
  • Question: Can Flex Seal Spray be used indoors?

    Answer: Absolutely! Flex Seal Spray is suitable for indoor use as well. It's ideal for fixing minor leaks and sealing drafts that may cause water damage. Areas like kitchens, bathrooms, and basements can benefit greatly from its application. Just ensure that the area is well-ventilated during use. For example, if your kitchen has a small leak under the sink, applying Flex Seal can prevent damage to cabinetry.
  • Question: What makes Flex Seal Spray effective against flooding?

    Answer: Flex Seal Spray is designed with a super strong, flexible, and waterproof formula that makes it highly effective against flooding. Its ability to penetrate and seal small gaps helps create a protective barrier that prevents water intrusion during storms. For example, you can use it to seal door tracks which are often prone to leaks, ensuring your home remains dry during heavy rainfall.
  • Question: How much coverage can I expect from a 10 oz can of Flex Seal Spray?

    Answer: A 10 oz can of Flex Seal Spray typically covers about 12 to 16 square feet in a single coat. This makes it sufficient for small repairs or projects. For larger jobs, you may need to purchase multiple cans. Keep in mind that for optimal results, a thicker coat is recommended, especially on porous surfaces. For example, you can use it to cover multiple seams on outdoor furniture to help prolong its life.
  • Question: Can I paint over Flex Seal Spray?

    Answer: Yes, once Fully cured, you can paint over Flex Seal Spray if desired. This feature allows it to seamlessly integrate into your home's aesthetics. However, it’s recommended to let the coating cure completely before applying any paint. For example, if you used Flex Seal to waterproof a basement, you can paint over it later to match your decor after the necessary drying time.
  • Question: Is Flex Seal Spray safe for pets and children?

    Answer: Flex Seal Spray, once fully cured, is generally considered safe for use around pets and children. However, it's important to keep them away during application and until the product is completely dry. The product is non-toxic, but it is advised to follow safety guidelines during application. For instance, sealing areas in your home before children or pets access them can help ensure their safety afterward.
  • Question: Where can I buy Flex Seal Spray Flood Protection in UK?

    Answer: You can purchase Flex Seal Spray Flood Protection from Ubuy, which offers a wide selection of products. Ubuy provides convenient access to Flex Seal's robust waterproofing solutions for your home improvement projects, delivering them directly to your doorstep. Whether you need to seal small openings or protect larger areas from water intrusion, Ubuy has you covered.

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”

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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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GBP 24

Excluding VAT : VAT will be calculated on the checkout page

This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Flex Seal Flood Protection Products create multiple layers of super-strong, waterproof protection.
  • Independently verified to hold back 3ft of water for 14 days on gaps up to ½ inch.
  • Easy removal after floodwaters recede.
  • Comprehensive application directions booklet and detailed 'how-to' videos included.
  • Different products for specific areas such as windows, doors, garage doors, flat surfaces, and small pinholes.
  • Not designed to protect against extreme winds, water pressure, flying or floating debris, or flash floods.