- Home Page /
- Tools & Home Improvement /
- Hardware /
- Adhesives & Sealers /
- Sealers /
- Flex Paste, Waterproof Paintable Putty, Spack...
0 ratings
Item #:
220345514
Flex Paste, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM,
Item #:
220345514
AUD 38
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
Afterpay Information
Split your bill into 4 payments of AUD 9.5 interest-free
Add the item to your cart
Select Afterpay at checkout
Fill in your details
Complete your first payment
and pay the remaining in easy instalments or according to the payment plan you selected
Here’s why you should Afterpay it
Get everything you need now..
Shop thousands of brands and millions of products, online and in-store.
Pay over six weeks.
Make the first payment upfront and the rest over time. Always interest-free when you pay it in 4.
No fees when you pay on time.
We’ll send you reminders and cap late payments to help you get back on track.
(1) Terms and conditions. apply. (2) Installment Agreement. (3) Eligible for customers in. Australia, (4) Your final payment plan may vary depending on your credit history.
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Sunday, August 30
Secured 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
Once dry, it turns into a strong, flexible, watertight, rubberized barrier.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
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
| Item Weight | 2.7 lbs (1.22 kg) |
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?
-
Homeowners
Ideal for homeowners needing a reliable sealant for repairing gaps and cracks in walls or ceilings.
-
DIY Enthusiasts
Perfect for DIY enthusiasts looking for an easy-to-use product for various repair and renovation projects.
-
RVers
Great for RV owners who require a waterproof sealant for roof repairs or to fix leaks effectively.
-
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, Cartridge
Have any Query? Chat with us
Related Searches
Customer Questions & Answers
-
Question:
What is Flex Paste used for?
Answer: Flex Paste is a versatile sealant ideal for filling gaps, cracks, and holes in various surfaces. It is specifically designed to provide waterproofing and to block out water and air, making it perfect for both indoor and outdoor applications. Whether you’re repairing a leaky roof, sealing gaps around windows, or fixing walls, Flex Paste creates a strong bond that stands up to various weather conditions. -
Question:
Is Flex Paste paintable?
Answer: Yes, Flex Paste is paintable once it dries completely. This feature allows you to seamlessly blend repairs with the surrounding surface, ensuring a neat and professional finish. After applying the paste, allow adequate drying time, then you can paint over it using your desired paint, making it suitable for various home improvement projects and décor repairs. -
Question:
How does Flex Paste block out water?
Answer: Flex Paste forms a durable, waterproof barrier that keeps water out effectively. Its unique formula expands and contracts, providing a strong seal that prevents water intrusion. This makes it highly effective in areas prone to moisture, such as bathrooms, kitchens, and exterior walls, protecting your home from water damage and enhancing its structural integrity. -
Question:
Can I use Flex Paste on flexible surfaces?
Answer: Flex Paste is designed to bond well with a variety of surfaces, including flexible materials. It adheres effectively to both rigid and flexible substrates, such as wood, concrete, ceramic tiles, and plastic. This adaptability allows it to be used in diverse projects, from home repairs to artistic applications, ensuring you can tackle almost any sealing job. -
Question:
What are the UV resistance properties of Flex Paste?
Answer: Flex Paste is UV resistant, making it ideal for outdoor use where sun exposure is a factor. This property prevents degradation and discoloration over time, ensuring longevity and durability of the repairs. Whether you’re using it for outdoor fixtures or garden structures, the UV resistance guarantees that your repairs will maintain their appearance and effectiveness against the elements. -
Question:
How long does it take for Flex Paste to cure?
Answer: Flex Paste typically takes around 24 hours to fully cure, depending on temperature and humidity conditions. During this period, the paste solidifies to form a strong bond. It’s important to manage your timeline accordingly, especially if your repairs need to be completed before a specific deadline or event, ensuring you avoid any premature use before the adhesive properties are fully developed. -
Question:
Is Flex Paste non-toxic?
Answer: Flex Paste is formulated to be non-toxic once cured, making it safer for indoor applications where kids or pets may be present. While applying, it is recommended to use it in well-ventilated areas to minimize inhalation of any fumes. This property makes it an excellent choice for homeowners who are concerned about safety and environmental impact in their home improvement projects. -
Question:
Can Flex Paste be used on all types of walls?
Answer: Yes, Flex Paste can be used on various wall types, including drywall, plaster, and masonry. Its ability to adhere to different materials ensures that you can use it for a wide range of repair projects around your home. Whether you’re fixing a small crack in the living room or patching up an exterior wall, Flex Paste provides reliable performance and delivers a long-lasting repair. -
Question:
What tools do I need to apply Flex Paste?
Answer: Applying Flex Paste requires minimal tools: a putty knife or spatula for spreading, and possibly sandpaper for smoothing the surface before application. For larger repairs, you might want to use a caulking gun for more precise application. Having these tools ready will ensure you achieve a clean and efficient application, resulting in professional-looking repairs. -
Question:
Where can I buy Flex Paste in Australia?
Answer: You can purchase Flex Paste from Ubuy, a trusted online shopping platform which offers a diverse selection of products including this sealant. Ubuy provides a user-friendly experience, allowing you to easily find and order Flex Paste for all your repair needs, ensuring a convenient shopping experience from the comfort of your home.
Flex Paste 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
1 customers ratings
-
5 Star
0%
-
4 Star
100%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
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
CJ
Chris
Verified buyer
“Promt delivery. Seems like a good product.”
22 July 2026 · via Trustpilot
SM
Scott
Verified buyer
“It was the best service ever received by any company from my online shopping experience in the last 10yrs”
11 July 2026 · via Trustpilot
TD
Terri
Verified buyer
“so easy to order delivery was way earlier than i expected”
3 July 2026 · via Trustpilot
GC
Gavin
Verified buyer
“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”
21-Jul-26 · via Trustpilot
J
Jeannie
Verified buyer
“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”
17-Jul-26 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Top selling Flex Paste in Australia
Last Updated on July 16, 2026
Product Price History
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.
AUD 38
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.)
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
- Works both indoors and outdoors.
- Penetrates deep to seal air, water, and moisture.
- Applies to a variety of surfaces, including wood, glass, and concrete.
- Cures underwater and clings to wet and dry surfaces.
- Remains flexible, making it ideal for all-season repairs.
- Comes in a stay-fresh container to extend sealing power and reduce waste.
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.