---
product_id: 386212214
title: "Flex Paste MAX, 12 lb Can, White, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs"
brand: "flex paste"
price: "€ 46.13"
currency: EUR
in_stock: false
url: https://www.desertcart.fi/products/386212214-flex-paste-max-12-lb-can-white-waterproof-paintable-putty
store_origin: FI
region: Finland
---

# Paintable Waterproof Seals gaps Flex Paste MAX, 12 lb Can, White, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs

**Brand:** flex paste
**Price:** € 46.13
**Availability:** ❌ Out of Stock

## Summary

> Seal it, paint it, love it! 🎉

## Quick Answers

- **What is this?** Flex Paste MAX, 12 lb Can, White, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs by flex paste
- **How much does it cost?** € 46.13 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/386212214-flex-paste-max-12-lb-can-white-waterproof-paintable-putty)

## 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 the Deal:** Blocks out air and moisture for ultimate protection.
- • **Paint It Your Way:** Fully paintable once cured—customize your finish.
- • **Underwater Wonder:** Apply and dry underwater—no project too tough!
- • **Versatile Applications:** Perfect for indoor/outdoor, DIY, and repairs.
- • **Flexibility at Its Best:** Transforms into a strong, flexible barrier.

## Overview

Flex Paste MAX is a revolutionary waterproof paintable putty designed to fill gaps, cracks, and holes in various surfaces. With its unique formulation, it can be applied underwater and dries to form a strong, flexible, and UV-resistant barrier. Ideal for a wide range of applications, from home repairs to DIY projects, this product is made in the USA and comes in a convenient 12 lb container that locks in freshness.

## Description

Liquid rubber in a can! It sprays out as a thick liquid, seeps into cracks and holes and dries to a watertight, flexible, rubberized coating. Coats, seals, protects and will Stop Leaks Fast!

## 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 | B084TDHKVJ |
| Assembled Diameter | 1 Millimeters |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #772,060 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,725 in Hardware Sealers |
| Brand | Flex Paste |
| Color | White |
| Customer Reviews | 4.0 4.0 out of 5 stars (120) |
| Cutting Diameter | 1 Millimeters |
| Date First Available | February 14, 2020 |
| Included Components | Household Item |
| Item Form | Paste |
| Item Package Quantity | 1 |
| Item Weight | 12 pounds |
| Item model number | FLEX SEAL - PFSMAXWHT01 - WHITE |
| Manufacturer | Swift Response, LLC |
| Material | Rubber |
| Measurement System | US |
| Number Of Pieces | 1 |
| Number of Items | 1 |
| Part Number | PFSMAXWHT01 |
| Style | 12 lb WHT |
| Surface Recommendation | Tub |
| UPC | 850010226897 |
| Unit Count | 192.0 Ounce |
| Water Resistance Level | Waterproof |

## Product Details

- **Material:** Rubber
- **Brand:** Flex Paste
- **Style:** 12 lb WHT
- **Item weight:** 5.44 kg
- **Item dimensions L x W x H:** 19.7 x 17.1 x 17.1 centimeters

## Images

![Flex Paste MAX, 12 lb Can, White, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs - Image 1](https://m.media-amazon.com/images/I/81vv0bSfptL.jpg)
![Flex Paste MAX, 12 lb Can, White, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs - Image 2](https://m.media-amazon.com/images/I/81riPhn3yfL.jpg)
![Flex Paste MAX, 12 lb Can, White, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs - Image 3](https://m.media-amazon.com/images/I/71D0F0Q1feL.jpg)
![Flex Paste MAX, 12 lb Can, White, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs - Image 4](https://m.media-amazon.com/images/I/81tplSJMsDL.jpg)
![Flex Paste MAX, 12 lb Can, White, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs - Image 5](https://m.media-amazon.com/images/I/91S6B0JXcFL.jpg)

## Available Options

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

## Frequently Bought Together

- Flex Paste MAX, 12 lb Can, White, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs
- Flex Tape, MAX, 4 in x 25 ft, Clear, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor Projects - Home RV Roof Plumbing and Pool Repairs
- Flex Tape, MAX, 4 in x 25 ft, White, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor Projects - Home RV Roof Plumbing and Pool Repairs

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**Shop now:** [https://www.desertcart.fi/products/386212214-flex-paste-max-12-lb-can-white-waterproof-paintable-putty](https://www.desertcart.fi/products/386212214-flex-paste-max-12-lb-can-white-waterproof-paintable-putty)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-18*