---
product_id: 208933842
title: "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"
brand: "flex paste"
price: "AED 228"
currency: AED
in_stock: true
category: "Flex Paste"
url: https://www.desertcart.ae/products/208933842-flex-paste-waterproof-paintable-putty-spackle-sealant-fill-gaps-cracks
store_origin: AE
region: United Arab Emirates
---

# Fully paintable finish Waterproof & dries underwater UV resistant & rust prevention 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

**Brand:** flex paste
**Price:** AED 228
**Availability:** ✅ In Stock

## Summary

> 🛠️ Seal it, paint it, forget it—flex your fix with Flex Paste!

## Quick Answers

- **What is this?** 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 by flex paste
- **How much does it cost?** AED 228 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/208933842-flex-paste-waterproof-paintable-putty-spackle-sealant-fill-gaps-cracks)

## Best For

- flex paste enthusiasts

## Why This Product

- Trusted flex paste brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seal Like a Pro:** Creates a flexible, watertight rubberized barrier that blocks air, water, and moisture.
- • **Versatile Fixer:** Perfect for walls, roofs, RVs, concrete, and more—your all-in-one gap and crack solution.
- • **Freshness Locked:** Innovative Stay Fresh container blocks air to keep sealant effective with zero waste.
- • **Paint It Your Way:** Once cured, paint over it seamlessly to match any décor or project style.
- • **Underwater Application:** Unique formula allows application and curing even underwater—no project too tough.

## Overview

Flex Paste is a premium waterproof, paintable putty designed to fill large gaps, cracks, and holes across multiple surfaces. Its rubberized, flexible barrier blocks air, water, and moisture, and it uniquely cures underwater. Packaged in an innovative Stay Fresh container, it prevents waste and extends sealing power. UV resistant and rust-preventive, Flex Paste is ideal for indoor and outdoor repairs on walls, roofs, RVs, concrete, and more, making it the ultimate all-surface sealant trusted by pros and DIYers alike.

## 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: desertcart.com: Tools & Home Improvement

## Features

- 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0851N5CGM |
| Best Sellers Rank | #7,672 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #26 in Hardware Sealers |
| Brand | Flex Paste |
| Brand Name | Flex Paste |
| Color | White |
| 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 |
| Customer Reviews | 4.0 out of 5 stars 6,020 Reviews |
| Included Components | Item |
| Item Dimensions | 5 x 4.25 x 4.25 inches |
| Item Form | Paste |
| Item Type Name | Flex Paste PFSWHTR32 3 Lb. Tub - White |
| Item Weight | 3 Pounds |
| Item dimensions L x W x H | 5 x 4.25 x 4.25 inches |
| Manufacturer | Swift Response, LLC |
| Material | Rubber |
| Material Type | Rubber |
| Model | PFSWHTR32 |
| Number of Items | 1 |
| Part Number | PFSWHTR32 |
| Style | 3 lb White |
| Style Name | 3 lb White |
| Supported Standards | ASTM C-920 |
| Surface Recommendation | Doors,Tub |
| UPC | 850010226842 |
| Unit Count | 48.0 Ounce |
| Warranty Description | 1 Year Limited |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Flex Paste
- **Item Weight:** 3 Pounds
- **Item dimensions L x W x H:** 5 x 4.25 x 4.25 inches
- **Material:** Rubber
- **Style:** 3 lb White

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/81qBgpBU9IL.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/81KMlJUWGbL.jpg)
![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 - Image 3](https://m.media-amazon.com/images/I/71CQ1HulkcL.jpg)
![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 - Image 4](https://m.media-amazon.com/images/I/814nIz98SUL.jpg)
![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 - Image 5](https://m.media-amazon.com/images/I/91UDIpFG1wL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Could you do several layers or one very thick layer to create a rubberized coating on something?**
A: Absolutely, just please remember that the thicker the final coating is, the longer the cure time will be. We highly advise creating the coating by adding layers to the surface rather than just one thick coat.

**Q: Any temperature requirement?**
A: Flex Paste can be applied in a wide range of temperatures from 0°F – 150ۜ°F. Once applied and fully cured it can withstand a wider range of temperatures from -40°F – 200°F.

**Q: Can this be used to fix crack in small ref/frezer**
A: Hi there. Thank you so much for reaching out. Flex Paste can withstand low temps like that in a freezer. Although some customers have found success with similar applications, it has not been tested for its safety when coming in contact with items used for food preparation, storing, or serving. Please contact us if you have any additional questions. We're always happy to help. Flex On!

**Q: can flex paste be painted ?**
A: Yes. Must be fully cured before painting.

## Frequently Bought Together

- 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
- Flex Caulk, Waterproof & Weatherproof Hybrid Polymer Sealant, Strong, Paintable, Indoor, Outdoor, Bath, Shower, Sink, Window, Baseboards, Door, RV, Roof, Wood, Auto & Marine, White, 9 oz, 1-Pack
- Flex Seal Liquid, 1 Gallon, White, Liquid Rubber Coating Sealant, Waterproof, Flexible, Breathable, and UV Resistant, Roof Repair, Basements, RV, Campers, Trailers, Marine, EPDM, Masonry

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ae/products/208933842-flex-paste-waterproof-paintable-putty-spackle-sealant-fill-gaps-cracks](https://www.desertcart.ae/products/208933842-flex-paste-waterproof-paintable-putty-spackle-sealant-fill-gaps-cracks)

---

*Product available on Desertcart United Arab Emirates*
*Store origin: AE*
*Last updated: 2026-07-10*