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Item #:
26946580
Black Jack Leak Stopper Rubber Flexx, 15 oz Waterproof Flexible Industrial Sealant, Black, 1 Piece
76% of respondents would recommend this to a friend
Item #:
26946580
BTN 2837
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
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Order now and get it around Thursday, October 29
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Our Top Logistics Partners
A revolutionary advancement in roof patching and repair. This long lasting rubberized repair is specially formulated to penetrate deep into damaged areas and stop roof leaks instantly.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Versatile Repair
Effectively seals leaks on various surfaces, making it ideal for both indoor and outdoor use. Perfect for homeowners seeking reliable, all-weather protection against water damage.
User-Friendly Application
Spray-on formula simplifies the application process, providing an easy-to-use solution for quick repairs. No complicated procedures—just point, spray, and treat your leaks effortlessly.
Durable Waterproofing
Creates a strong, flexible, and waterproof barrier that withstands harsh conditions. Ensures long-lasting leak protection that saves time and money on extensive repairs.
Product Details
| Adhesive form | Spray |
| Color | Black |
| Dry time | 10 min |
| Features | Durable, Easy Installation |
| Industrial sealant type | Flexible |
| Volume capacity | 18 fl oz |
| Rec. use | Window |
| Recommended surface | Concrete |
| Rec location | Outdoor |
| Material | Rubber |
| Brand | Black Jack |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
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Homeowners
Ideal for homeowners needing quick repairs for leaks in roofs, gutters, and exterior surfaces around the home.
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DIY Enthusiasts
Great for DIY enthusiasts who enjoy tackling home improvement projects and require a versatile sealant for various materials.
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Car Owners
Useful for car owners to seal small leaks in tires or undercarriage components, enhancing vehicle maintenance.
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Heavy Leak Issues
Not suitable for major structural leaks that require professional intervention or extensive repair work.
Product Description
Black Jack Leak Stopper Rubber Flexx, 15 oz Waterproof Flexible Industrial Sealant, Black, 1 Piece
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Customer Questions & Answers
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Question:
How to Shop Black Jack Leak Stopper Rubber Flexx, 15 oz Online From Ubuy?
Answer: It’s easy to shop Black Jack Leak Stopper Rubber Flexx, 15 oz online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location. -
Question:
Is Black Jack Leak Stopper Rubber Flexx, 15 oz Available to Shop Online in Bhutan?
Answer: Yes, at Ubuy Bhutan this product is available for you to shop at a reasonable price. The Black Jack Leak Stopper Rubber Flexx, 15 oz is not available locally but you can trust us with our express shipping services. -
Question:
How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
Black Jack Roof Sealants Editorial Review
Black Jack Leak Stopper Rubber Flexx is a reliable waterproof flexible industrial sealant, ideal for various outdoor applications. This 15 oz spray can easily adhere to concrete surfaces, providing a durable seal in just 10 minutes. Users appreciate its easy installation and effectiveness for window repairs, making it a suitable choice for both professionals and DIY enthusiasts. Its rubber material enhances flexibility, ensuring that it withstands various weather conditions. The sleek black color blends seamlessly with most surfaces, providing not just functionality but also aesthetic appeal. Overall, this product stands out for its practical features and user-friendly application.
Customer Reviews & Ratings
1 customers ratings
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Pros
- Durable seal for outdoor use
- Fast-drying in just 10 minutes
- Easy to apply with spray form
- Flexible rubber material provides strong adherence
- Works well on concrete surfaces
Cons
- May require multiple applications for larger leaks
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- 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.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
BTN 2837
Order now and get it around Thursday, October 29
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Stops roof leaks instantly
- Seals and protects
- Easy spray application
- Protects against rust and corrosion
- Flexible and high performance sealant
- Ideal for a variety of roof surfaces
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.