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Item #:
220345514
Flex Paste, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM,
86% of respondents would recommend this to a friend
Item #:
220345514
KES 3356
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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Imported from USA store
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Order now and get it around Sunday, August 30
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Flex Paste stays completely flexible, making it perfect for all-season roof repairs and all types of DIY projects.
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What Stands Out
Waterproof Formula
Flex Paste offers a superior waterproof seal, effectively blocking out water and air for long-lasting repairs in wet environments.
Versatile Applications
Ideal for varied surfaces like drywall, concrete, and roofs, this putty excels in sealing gaps and cracks for home, RV, or outdoor projects.
UV Resistant
Designed to withstand harsh UV rays, Flex Paste maintains its integrity and performance over time without degradation, ensuring reliable and durable repairs.
Product Details
| Country of Origin | This item will be imported from US |
| Item Weight | 1 lbs (450 grams) |
| What is in the box | Flex Paste, Waterproof Paintable... For more details, please check description/product details |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
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Homeowners
Ideal for homeowners needing a reliable sealant for repairing gaps and cracks in walls or ceilings.
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DIY Enthusiasts
Perfect for DIY enthusiasts looking for an easy-to-use product for various repair and renovation projects.
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RVers
Great for RV owners who require a waterproof sealant for roof repairs or to fix leaks effectively.
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Industrial Use
Not suitable for large industrial applications where more robust materials and solutions are typically required.
Product Description
Flex Paste, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs, Clear, Half-Quart
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Customer Questions & Answers
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Question:
What surfaces can Flex Paste be used on?
Answer: Flex Paste can be applied to a variety of surfaces including walls, drywall, and even EPDM materials. Its versatility allows it to effectively seal gaps, cracks, and holes, ensuring a reliable barrier against water and air. It is also UV resistant, making it suitable for both indoor and outdoor applications. For example, if you're repairing outdoor furniture or sealing a wall crack in your basement, Flex Paste provides a long-lasting solution. -
Question:
How quickly does Flex Paste dry?
Answer: Flex Paste typically dries to the touch within a few hours, although full curing may take longer depending on the application thickness and environmental conditions. It is essential to allow adequate time for drying, especially in high-humidity areas. For instance, if you’re filling in a significant gap in your home’s exterior, plan for a day of no rain or excessive moisture to ensure proper adhesion and cure time. -
Question:
Can Flex Paste be painted over?
Answer: Yes, Flex Paste is paintable once it has fully cured. This feature allows you to seamlessly blend repairs into the surrounding surface for an aesthetically pleasing finish. Consider using it for filling in cracks on outdoor furniture or fences that need to match their original color. Just make sure the putty has dried completely before applying any paint. -
Question:
Is Flex Paste resistant to mold and mildew?
Answer: Flex Paste is designed to be resistant to mold and mildew, making it an ideal choice for areas prone to moisture, such as bathrooms or kitchens. This resistance helps maintain the integrity of your repairs over time. For example, applying Flex Paste in a shower or near sink fixtures can help prevent mold growth in those vulnerable areas. -
Question:
How can I apply Flex Paste effectively?
Answer: To apply Flex Paste effectively, ensure the surface is clean and dry. Use a putty knife for application, smoothing it into the crack or hole and ensuring a good seal. It’s essential to feather the edges for a seamless look. Whether you're fixing a crack in a wall or sealing gaps in plumbing fixtures, thorough application can make all the difference. -
Question:
Can Flex Paste handle extreme temperatures?
Answer: Flex Paste is formulated to withstand a range of temperatures, making it suitable for various climates. It retains flexibility, preventing cracking or losing adhesion in extreme heat or cold scenarios. If you live in an area with temperature fluctuations, using Flex Paste in outdoor repairs ensures durable results throughout the changing seasons. -
Question:
Is Flex Paste non-toxic and safe for indoor use?
Answer: Yes, Flex Paste is considered non-toxic when used as directed, making it a safe option for indoor applications. It won’t emit harmful fumes after curing, allowing for use in living spaces without worry. This characteristic makes it a great choice for home projects, such as sealing gaps in children's play areas or other spaces where safety is a priority. -
Question:
How do I store Flex Paste after opening?
Answer: To maintain the quality of Flex Paste after opening, store the container in a cool, dry place with the lid tightly sealed. Keeping it away from direct sunlight and extreme temperatures will prolong its shelf life. This is particularly useful if you’re tackling multiple projects over time, ensuring that your product remains effective for future use. -
Question:
How much Flex Paste do I need for my project?
Answer: The amount of Flex Paste required will depend on the size and number of gaps or cracks you intend to fill. A small crack might only need a few ounces, while larger repairs may warrant more. Assess your project and consider applying a little more than you estimate, as it can always be adjusted later. For instance, when patching drywall, it may be wise to have an extra tube on hand to avoid disruptions. -
Question:
Where can I buy Flex Paste in Kenya?
Answer: You can purchase Flex Paste at Ubuy, which offers a wide selection of home improvement products, including this waterproof paintable putty. Ubuy ensures a user-friendly experience, allowing you to shop conveniently from the comfort of your home. With easy access to many brands and products, you can find the right Flex Paste to meet your needs quickly and efficiently.
Flex Paste Adhesives & Sealers Editorial Review
**** Flex Paste has garnered an enthusiastic reception from users who have utilized it for a variety of repair tasks. Most prominently, customers have praised its effectiveness in sealing gaps, cracks, and holes in different materials, including pottery, concrete, and drywall. The paste’s thick Consistency enables users to application easily by hand, providing a smooth finish that sets it apart from traditional spackle. Users report that it stays flexible and maintains a rubbery feel after curing, which contributes to its waterproof quality. Many reviewers note its impressive bonding capabilities and versatility, allowing it to adhere well to diverse surfaces, making it an excellent choice for indoor and outdoor repairs alike. Users frequently mention their satisfaction with the long working time that the product provides, allowing for adjustments to be made before setting, which is a noteworthy advantage over quicker-setting alternatives. The non-intrusive odor and ease of application without the need for complex tools or methods further enhance the user experience. While the product generally receives high marks for its efficacy and performance, there were some mentions of minor usability issues, such as a thin film forming on some cans, which didn't hinder the overall functionality of the paste. Users expressed the importance of purchasing smaller cans to prevent wastage and manage storage issues effectively. Despite an isolated mention of dented packaging upon arrival, the vast majority of customer feedback highlights a highly favorable experience with Flex Paste. **
Customer Reviews & Ratings
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Pros
- Effective for sealing gaps, cracks, and holes in various materials.
- Thick Consistency allows for easy hand application.
- Long working time for adjustments before curing.
- Versatile bonding to a range of surfaces.
- Waterproof and retains a rubbery feel after curing.
Cons
- Some experience with dented packaging.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Top selling Flex Paste in Kenya
Last Updated on July 22, 2026
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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.
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KES 3356
Order now and get it around Sunday, August 30
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.)
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Features & Benefits
- Works indoors and outdoors for versatile application.
- Creates a strong, flexible, watertight barrier once dry.
- Clings to wet and dry surfaces, even underwater.
- Fills large gaps, cracks, and holes with ease.
- Fully paintable after curing; UV resistant.
- Made in the USA with globally sourced products.
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