- 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,
87% of respondents would recommend this to a friend
Item #:
219403008
RON 117
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 3 items left in stock.
Order now and get it around Thursday, July 16
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
Flex Paste creates a strong, flexible, watertight, rubberized barrier that works even underwater!
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
- NEW! STAY FRESH CONTAINER – Blocks out air and locks in freshness to extend the sealing power of Flex Paste, with no waste
- COAT, SEAL & PROTECT - Penetrates deep to seal out air, water, and moisture. Once dry, it turns into a strong, flexible, watertight, rubberized barrier
- WORKS UNDERWATER - Can be applied underwater, and it even dries underwater
- FILLS LARGE AREAS - Super thick rubber paste clings to the surface and instantly fills large gaps, cracks, and holes
- FULLY PAINTABLE - Once fully cured, it can be painted any color. Helps prevent rust and corrosion, and it is UV resistant
- EXCELLENT FOR – filling cracks and holes, foundation and concrete repairs, sealing out rodents and pests, bath and shower, indoor and outdoor projects, roof, RV, motorhome, auto, marine, lawn and garden projects, DIY, hobbies, and more
- MADE IN THE USA
| 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 |
| 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 |
| 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) |
| 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.
What's in the box
Item
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.
-
Extreme Weather
Not ideal for areas experiencing extreme weather, where specialized products may be necessary for better performance.
-
Non-Porous Surfaces
Not suitable for non-porous surfaces where stronger adhesives or sealants may be required for effective bond.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What surfaces can Flex Paste be used on?
Answer: Flex Paste is versatile and suitable for various surfaces including walls, drywall, and EPDM materials. It adheres well to these surfaces due to its unique formulation that creates a strong bond, sealing gaps and cracks efficiently. Whether you're dealing with interior or exterior repairs, Flex Paste's UV resistance makes it effective for outdoor applications as well, ensuring longevity and durability in changing weather conditions. -
Question:
Is Flex Paste paintable after it dries?
Answer: Yes, Flex Paste is paintable once fully cured. After application, allow it to dry completely, which gives you a smooth surface ready for painting. This feature makes it ideal for both DIY projects and professional settings where aesthetics matter. It allows you to seamlessly blend the patched areas with the surrounding surfaces, perfect for maintaining a polished look in home repairs or renovations. -
Question:
How do I apply Flex Paste for best results?
Answer: For optimal results, clean the area thoroughly before application. Use a putty knife or a similar tool to apply Flex Paste directly into gaps, cracks, and holes, ensuring it fills completely. Smooth the surface with the knife for a seamless finish. Depending on the thickness of the application, drying time may vary, so ensure it's adequately set before painting or exposing it to moisture. This method ensures a robust seal against water and air leaks. -
Question:
Can Flex Paste be used for exterior repairs?
Answer: Absolutely, Flex Paste is formulated for exterior use. Its UV resistance ensures that it won’t degrade or weaken when exposed to sunlight and weather elements. This makes it particularly advantageous for fixing outdoor structures, such as tool sheds or outdoor furniture. Whether sealing a leaky roof or filling gaps in your siding, Flex Paste provides a durable and protective barrier against the elements. -
Question:
How long does it take for Flex Paste to dry?
Answer: Flex Paste typically dries within a few hours, but full curing can take up to 48 hours depending on the thickness of the application and environmental conditions. To ensure the best results, apply it in moderate temperatures and avoid extreme humidity. Monitoring the environment can help achieve a better curing process, which is crucial when using it for critical repairs like plumbing leaks or weatherproofing. -
Question:
Is Flex Paste suitable for filling large gaps?
Answer: Yes, Flex Paste is effective for filling large gaps and cracks. Its thick consistency allows it to be applied generously without sagging, making it suitable for significant repairs. When faced with larger imperfections or voids in surfaces, applying Flex Paste in multiple layers may be beneficial. This approach enhances the strength of the seal and helps achieve a level surface for subsequent painting or finishing. -
Question:
Can Flex Paste block moisture effectively?
Answer: Flex Paste is designed specifically to block moisture, making it an excellent choice for preventing water damage. Its waterproof properties not only seal gaps effectively but also protect against mold and mildew growth when applied correctly. This is especially important in areas prone to high humidity, such as bathrooms or kitchens, where moisture control is vital for structural integrity. -
Question:
Is Flex Paste safe to use indoors?
Answer: Yes, Flex Paste is safe for indoor use as it is low in VOCs (volatile organic compounds), ensuring a more pleasant and healthier application experience. This makes it suitable for home renovation projects where air quality matters. It's not only effective for repairing walls but also perfect for sealing gaps around windows and doors to improve energy efficiency while keeping your indoor environment safe and comfortable. -
Question:
How do I store Flex Paste after opening?
Answer: To maintain the quality of Flex Paste after opening, ensure the cap is tightly secured and store it in a cool, dry place away from direct sunlight. Keeping it in a stable environment helps prevent it from drying out or hardening, allowing you to utilize it for future projects. Consider using it within a few months of opening for optimal performance, especially if you are regularly working on repair tasks. -
Question:
Where can I buy Flex Paste in Romania?
Answer: You can buy Flex Paste at Ubuy in Romania. Ubuy offers a convenient platform where you can find a variety of sealant products, including Flex Paste. Their dedicated service ensures a smooth purchasing experience, making it easy to add Flex Paste to your home improvement toolkit.
FlexPaste Sealers Editorial Review
No editorial reviews found
Customer Reviews & Ratings
6022 customers ratings
-
5 Star
57%
-
4 Star
15%
-
3 Star
10%
-
2 Star
5%
-
1 Star
13%
Review this product
Share your thoughts with other customers
Top selling Flex Paste in Romania
Last Updated on June 26, 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.
RON 117
Order now and get it around Thursday, July 16
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:
Only 3 items left in stock.
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
Fastest cross-border delivery
Features & Benefits
- Blocks out air and moisture for superior sealing.
- Stay fresh container preserves sealing power with no waste.
- Can be applied and dries underwater for versatile use.
- Super thick paste effectively fills large gaps and cracks.
- Fully paintable once cured to match any decor.
- UV resistant, preventing rust and corrosion.