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Estimated doorstep delivery by 2 Nov - 4 Nov from USA
Seal Any Leak, Anywhere, Instantly
Flex Paste is a unique, super thick rubber paste that seals, coats, and protects. It penetrates deep to seal out air, water, and moisture, turning into a strong, flexible, watertight, rubberized barrier once dry. This paste clings to surfaces and instantly fills large gaps, cracks, and holes. It can be applied underwater and even dries underwater, making it incredibly versatile for repairs in challenging conditions. The Stay Fresh container blocks out air and locks in freshness to extend the sealing power with no waste.
Once fully cured, Flex Paste is fully paintable, allowing you to match any color and helping to prevent rust and corrosion. It is also UV resistant, ensuring durability against the elements. This sealant is suitable for a wide range of applications including walls, drywall, EPDM, concrete, roofs, and RV repairs, offering a reliable solution for DIY and professional projects alike.
For Indian customers, Flex Paste offers a robust solution for home and vehicle repairs where sealing against moisture and air is critical. All customs duties and GST are included in the displayed price, and delivery is via ExpressBox. Compare this high-performance sealant to local alternatives which may not offer the same underwater application or paintable finish.
Unmatched Sealing Power for Any Repair
Flex Paste is engineered for extreme sealing performance. Its unique rubberized formula creates a flexible, watertight barrier that adheres to virtually any surface, including concrete, metal, wood, and even EPDM. Unlike standard putties, it can be applied and cures underwater, making it perfect for emergency leak repairs on roofs, pipes, or RVs. The UV resistance and paintable finish ensure a durable and aesthetically pleasing repair that stands the test of time and weather. Imported from authorized US retailers, it offers a superior solution for demanding sealing tasks.
Ideal for DIYers & Professionals
Flex Paste is suitable for anyone needing a reliable seal. Use it for filling large cracks in concrete driveways, sealing around windows and doors, repairing RV roofs, or patching holes in drywall. If you need a sealant that works underwater, dries quickly, and can be painted over for a seamless finish, Flex Paste is your choice. Those seeking a quick, effective, and durable solution for leaks and gaps, especially in wet conditions, will find it invaluable. Skip it if you require a sealant for very fine hairline cracks or if you need a product that is specifically designed for flexible expansion joints.
Typical situations where Flex Paste Waterproof Paintable Sealant 255ml (9 oz) | Fills Gaps Cracks Holes - Blocks Water Air - UV Resistant helps — illustrative scenarios, not customer reviews.
Repairing a leaking RV roof during the monsoon season in Kerala.
Flex Paste's ability to be applied and cure underwater makes it perfect for immediate leak repair on RV roofs, even during heavy rain, preventing further water damage.
Sealing large cracks in a concrete patio exposed to harsh Indian sun.
The UV-resistant and waterproof formula of Flex Paste provides a durable seal for concrete patios, preventing water ingress and degradation from prolonged sun exposure, ensuring a long-lasting repair.
| Base Type | Rubberized Paste |
| Active Ingredients | Proprietary blend (EPA registration number 5383-151) |
| VOC Content | Low VOC |
| Allergens | Unscented |
| Application Method | Apply with a caulk gun or trowel. Can be applied underwater. |
| Coverage | Fills gaps up to 1/4 inch wide. Coverage area varies by application. |
| Curing Time | Dries to touch in ~30 mins, fully cures in ~24 hours. Can cure underwater. |
| Paintable | Fully paintable once cured. |
| Shelf Life (Unopened) | 900 days (approx. 2.5 years) |
| Shelf Life (After Opening) | The Stay Fresh container helps maintain sealing power; use within the period shown on packaging for best results. |
| Cost per use | 9 oz tube at 1 oz/application = 9 applications: ₹344 per oz |
| Feature | Flex Paste Waterproof | Others |
|---|---|---|
| Waterproof Application | Can be applied and cures underwater for instant leak repair. | Most local sealants require dry surfaces; underwater application is rare. |
| Paintable Finish | Fully paintable once cured for a seamless, color-matched repair. | Paintability varies; some local sealants may not accept paint well or require specific primers. |
| UV Resistance | Resistant to UV rays, preventing degradation and ensuring long-term durability. | UV resistance is often not specified or is lower on many local alternatives. |
| Gap Filling Capability | Super thick paste instantly fills large gaps, cracks, and holes up to 1/4 inch. | Many local sealants are thinner and may require multiple coats or are not suitable for very large gaps. |
| Cost per 9 oz | 9 oz tube — ₹344 per oz | Local 9 oz sealants typically range from ₹300-₹600, depending on brand and type. |
| SKU | rxq5953 |
| GTIN | 0850010226866 |
| Brand | Flex Paste |
| Color | White |
| Item Form | Paste |
| Material | Rubber |
| Size | 9 oz Cartridge |
| Volume | 266 ml (9 fl oz) |
| Weight | 255 g (9 oz) |
| Dimensions (Cartridge) | 28.4 cm (H) x 4.8 cm (W) x 4.7 cm (L) |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners |
About Flex Paste
Flex Paste is a revolutionary waterproof sealant known for its ability to seal, coat, and protect surfaces, even underwater.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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This item:
Flex Paste Waterproof Paintable Sealant 255ml (9 oz) | Fills Gaps Cracks Holes - Blocks Water Air - UV Resistant
3,100
This item
Flex Paste Waterproof Paintable Sealant 255ml (9 oz) | Fills Gaps Cracks Holes - Blocks Water Air - UV Resistant
3,100
Total price:
8,810
You save 960 (10%) Extra3 items selected
3 items
8,810You save 960 (10%) Extra
| Attributes | Current |  |  |  |  | ||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 3,100 3,140 | 2,770 3,220 | 2,940 3,410 | 3,670 5,010 | 6,380 8,130 | 6,630 9,710 | 3,730 4,160 |
| Rating | 4.00(6,060) | 4.13(8) | 4.13(8) | 4.40(13K+) | 4.50(340) | 4.50(11K+) | 4.70(28K+) |
| Brand Name | Flex Paste | GORILLA | GORILLA | Flex Seal Liquid | Eagle Abrasives | Rubbermaid | ACCUSHARP |
| Item Form | Paste | N/A | N/A | N/A | N/A | N/A | N/A |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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