- Home Page /
- Tools & Home Improvement /
- Hardware /
- Adhesives & Sealers /
- Sealers /
- Flex Paste, Waterproof Paintable Putty, Spack...
0 ratings
Item #:
219403008
Flex Paste, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM,
90% of respondents would recommend this to a friend
Item #:
219403008
PLN 608
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Friday, August 21
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
Stop Leaks Fast
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 creates a durable, waterproof seal that blocks out water and air, making it ideal for various repairs including roofs and RVs, providing long-lasting protection.
UV Resistance
With UV resistance, this putty maintains its integrity and finish even under sunlight, ensuring reliable performance for outdoor repairs without degradation over time.
Multi-Surface Applicability
Designed to adhere to multiple surfaces such as drywall, concrete, and EPDM, Flex Paste is versatile, addressing diverse repair needs in both household and industrial applications.
Product Details
- Super thick rubberized paste clings to various surfaces
- Instantly fills large gaps, cracks, and holes
- Becomes a strong, flexible, watertight rubberized coating once dry
- Seals out air, moisture, and water
- UV and mildew resistant; perfect for indoor and outdoor projects
- Excellent waterproof sealant for windows, doors, vents, and thresholds
| Brand Name | Flex Paste |
| UPC | 850010226842 |
| Unit Count | 48.0 Ounce |
| Number of Items | 1 |
| Part Number | PFSWHTR32 |
| Model | PFSWHTR32 |
| Item Type Name | Flex Paste PFSWHTR32 3 Lb. Tub - White |
| Manufacturer | Swift Response, LLC |
| Included Components | Item |
| Item Weight | 3 Pounds (1.36 kg) |
| Item Dimensions | 5 x 4.25 x 4.25 inches (12.7 x 10.8 x 10.8 cm) |
| Water Resistance Level | Waterproof |
| Item Form | Paste |
| Compatible Material | Wood, Glass, Tile, Concrete, Aluminum, Metal, Brick, Stucco, Masonry, Copper, Fabric, Fiberglass, Ceramic, Porcelain, Natural Stones, Roofing, Pvc, Eifs, Cspe, Epdm, Hypalon Polyurethanes |
| Style Name | 3 lb White |
| Color | White |
| Surface Recommendation | Doors,Tub |
| Supported Standards | ASTM C-920 |
| Material Type | Rubber |
| Material | Rubber |
| Brand | Flex Paste |
| Style | 3 lb White |
| Item dimensions L x W x H | 5 x 4.25 x 4.25 inches (12.7 x 10.8 x 10.8 cm) |
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 looking to repair cracks and holes in walls, ceilings, and outdoor surfaces efficiently.
-
DIY Enthusiasts
Perfect for DIY enthusiasts who want a versatile sealant for various projects including waterproofing and soundproofing.
-
RV Owners
Highly beneficial for RV owners needing to seal leaks and repairs, ensuring no water gets into their vehicles.
-
Professional Contractors
May not meet the standards for professional contractors seeking high-grade materials for large commercial jobs.
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, White, Quart
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is Flex Paste and how does it work?
Answer: Flex Paste is a versatile, black waterproof sealant formulated to fill gaps, cracks, and holes to block out water and air. It employs a thick, paste-like consistency that can be applied to various surfaces including walls. When applied, it adheres strongly to the material, forming a durable and flexible bond that withstands extreme weather conditions. This makes it ideal for both indoor and outdoor repairs, such as sealing leaky pipes, windows, and other areas prone to moisture. -
Question:
Can I paint over Flex Paste once it dries?
Answer: Yes, Flex Paste is paintable once fully cured. After applying and allowing it to dry, you can easily paint over it to match your existing decor. This feature is particularly useful for home improvement projects, as it provides a seamless look once painted. Just ensure that the paste is completely dry before applying paint to achieve the best results. -
Question:
Is Flex Paste UV resistant?
Answer: Absolutely! Flex Paste is specially designed to be UV resistant, making it suitable for outdoor applications. This means that it will not break down or lose its integrity when exposed to sunlight over time. Whether you're using it for exterior repairs or in areas with intense sunlight, Flex Paste maintains its effectiveness without discoloration or degradation. -
Question:
What surfaces can I use Flex Paste on?
Answer: Flex Paste can be used on a variety of surfaces, including wood, metal, concrete, and masonry. This versatility makes it perfect for many applications, including sealing cracks in walls or repairing outdoor furniture. For best results, ensure the surface is clean and dry before applying Flex Paste for optimal adhesion and durability. -
Question:
How long does it take for Flex Paste to cure fully?
Answer: Flex Paste typically cures fully within 24 to 48 hours, depending on the thickness of the application and ambient temperature. The initial setup is quick, allowing for immediate use after application, but for optimal performance and paint adhesion, it’s recommended to wait until it’s fully cured. This ensures that the sealant has achieved maximum strength and durability. -
Question:
How do I apply Flex Paste effectively?
Answer: To apply Flex Paste effectively, cut the nozzle to your desired bead size and use a caulking gun to dispense. Begin by cleaning the area you wish to repair, then squeeze the paste firmly into the gap, crack, or hole. Smooth it out with a putty knife for a clean finish. For best results, apply in cooler conditions and allow proper curing time before any use or painting. -
Question:
Can Flex Paste be used for outdoor repairs?
Answer: Yes, Flex Paste is designed for both indoor and outdoor use. Its waterproof and UV resistant properties make it an excellent choice for outdoor repairs such as sealing roofs, gutters, or around windows. Since it bonds effectively and protects against harsh weather conditions, it ensures lasting repairs and prevents further damage from moisture ingress. -
Question:
Is Flex Paste suitable for filling large holes?
Answer: Flex Paste is effective for filling both small gaps and larger holes, although for extensive repairs, it may be advisable to apply it in layers. This method allows it to cure effectively without sagging. It's perfect for use on walls or structures where significant damage has occurred, providing a solid repair solution while ensuring durability. -
Question:
How does Flex Paste compare to traditional spackle?
Answer: Flex Paste offers enhanced features compared to traditional spackle due to its waterproof, flexible, and UV resistant properties. Unlike basic spackle, which is typically intended for wall finishing, Flex Paste excels at creating a robust seal ideal for exterior and high-moisture environments. This versatility allows users to tackle a wider range of repairs effectively. -
Question:
Where can I buy Flex Paste in Poland?
Answer: You can buy Flex Paste in Poland from Ubuy, a reliable online platform that offers a wide selection of home improvement products. Ubuy provides access to various brands and quality items, including Flex Paste, making it simple to find exactly what you need for your repair projects.
Flex Paste Sealers Editorial Review
**** Flex Paste presents itself as a robust solution for waterproofing and sealing a variety of surfaces, and customer experiences emphasize its versatility and effectiveness in numerous scenarios. Users have successfully employed the product for significant repairs such as patching roofs, sealing cracks in bathtubs, and even addressing leaks around water fixtures. Many have praised its thick Consistency and resilience under different weather conditions, with some noting successful applications despite challenging circumstances, such as high humidity or cold temperatures. However, the product's effectiveness seems contingent on the user’s approach and the specific conditions of application. Some customers encountered issues with leaks persisting even after multiple applications, leading to frustration and ultimately reverting to traditional repair methods such as replacing damaged pipes. There have also been complaints regarding the product hardening in its container, especially when sold in the older plastic tub packaging, which compromised usability. Those who have received the newer, Stay Fresh container generally report a significant improvement in the product's workability and longevity, indicating the importance of packaging in maintaining its integrity. Despite mixed feedback on its performance and the necessity of proper application, Flex Paste stands out due to its unique market offering and adaptability across various surfaces. Overall, while there are notable downsides related to usability and leaks under certain conditions, many users find Flex Paste to be an essential tool in their repair arsenal, particularly for less conventional applications. **
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Versatile for multiple applications (roofs, bathtubs, concrete)
- Thick, robust Consistency that adheres well
- Effective in various weather conditions (humidity, cold)
- Repair potential for significant leaks and cracks
Cons
- Performance can be inConsistent; some users experience recurring leaks
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
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
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.
PLN 608
Order now and get it around Friday, August 21
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
- Flex Paste is a waterproof paintable putty, spackle sealant
- Clings to a wide variety of surfaces
- UV and mildew resistant
- Perfect for all types of indoor and outdoor projects and repairs
- Requires a caulk gun for use
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.