---
product_id: 520071614
title: "MAX, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor - Home RV Roof and Pool Repairs, Black, 4 in x 25 ft, Pack of 1"
brand: "flex tape"
price: "£129.20"
currency: GBP
in_stock: true
reviews_count: 5
category: "Flex Tape"
url: https://www.desertcart.co.uk/products/520071614-max-original-thick-flexible-rubberized-waterproof-tape-seal-and-patch
store_origin: GB
region: United Kingdom
---

# Works underwater & wet surfaces UV resistant & extreme temp proof 400% more tape per roll MAX, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor - Home RV Roof and Pool Repairs, Black, 4 in x 25 ft, Pack of 1

**Brand:** flex tape
**Price:** £129.20
**Availability:** ✅ In Stock

## Summary

> 💪 Seal it once, seal it max — Flex Tape MAX has you covered!

## Quick Answers

- **What is this?** MAX, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor - Home RV Roof and Pool Repairs, Black, 4 in x 25 ft, Pack of 1 by flex tape
- **How much does it cost?** £129.20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/520071614-max-original-thick-flexible-rubberized-waterproof-tape-seal-and-patch)

## Best For

- flex tape enthusiasts

## Why This Product

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

## Key Features

- • **Made in the USA:** Proudly crafted with global materials for trusted quality and durability.
- • **Underwater Seal:** Adheres and holds strong even submerged—perfect for pools and boats.
- • **Flexible & Tough:** Thick rubberized backing flexes to any shape while resisting wear and tear.
- • **Unmatched Coverage:** Get 4X more tape per roll for mega repairs without running out.
- • **All-Weather Warrior:** Seals leaks instantly indoors or outdoors, rain or shine, hot or cold.

## Overview

Flex Tape MAX is a premium, thick rubberized waterproof tape designed to stop leaks instantly on wet or dry surfaces, including underwater. With 400% more tape per roll, UV resistance, and the ability to withstand extreme temperatures, it’s the ultimate all-weather repair solution for home, RV, pool, and outdoor use. Made in the USA, it offers a flexible, super-strong seal that conforms to any surface for fast, reliable fixes.

## Description

Product Description Holds On Tight. Flex Tape features a powerful adhesive with a thick, flexible rubberized backing. Stops Leaks Instantly. It conforms to virtually any shape or surface. Seals Out Air & Water. Indoors or outdoors, Flex Tape keeps everything dry and secure. Stands Up to the Elements. It’s UV resistant and withstands extreme temperature and weather conditions. It Even Works Underwater! Make repairs on a wide range of wet or dry surfaces. Perfect for pools, boats, and more. Made in the USA. Proudly made in America, using globally sourced products. DIRECTIONS CUT. Leave backing on tape and cut to desired dimension. Use a high-quality razor blade. PEEL. Remove the backing from the tape. STICK. Apply tape to a clean surface and press down firmly. SEAL. Using plastic squeegee or roller remove any air pockets.

Review: Works good so far...... - Blew a hole in the side of my above ground pool... So far it's holding good... We will see when Summer rolls around.
Review: Very tough tape! - Very very VERY sticky and sturdy. We are now using this instead of duct tape when we need a strong waterproof bond. Works as described.

## Features

- Stop Giant Leaks, with Flex Tape MAX
- 400% More Flex Tape per Roll
- The Original Super Strong Waterproof Tape
- Works On Wet or Dry Surfaces, and Even Underwater
- UV resistant, VOC- free, and Withstands Extreme Temperatures

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08ZVP3WGC |
| Adhesive Format | tape |
| Adhesive Side Count | 1 |
| Best Sellers Rank | 134,948 in DIY & Tools ( See Top 100 in DIY & Tools ) 316 in Duct Tape |
| Brand | Flex Tape |
| Colour | Black |
| Compatible Material | Rubber |
| Customer Reviews | 4.5 out of 5 stars 233 Reviews |
| Global Trade Identification Number | 00850017897304 |
| Included Components | RESPONSE - 6033938 |
| Item Resistance | waterproof |
| Item Thickness | 39 Mils |
| Item Type Name | RESPONSE - 6033938 |
| Item Weight | 1 Pounds |
| Manufacturer | Flex Tape |
| Manufacturer Part Number | RESPONSE - 6033938 |
| Material | Acrylic, Aluminium, Copper, Fibreglass, Polyvinyl Chloride, Rubber, Vinyl |
| Model Number | RESPONSE - 6033938 |
| Number of Items | 1 |
| Number of items | 1 |
| Other Special Features of the Product | Strong,Uv |
| Package Size Name | Max |
| Recommended Uses For Product | Plumbing repairs, Sealing out air and water, General home repairs, Fast fixes on your boat, Auto or RV, Roof repairs, Pool repairs, Bath and shower, DIY projects, and so much more! |
| Recommended uses for product | Plumbing repairs, Sealing out air and water, General home repairs, Fast fixes on your boat, Auto or RV, Roof repairs, Pool repairs, Bath and shower, DIY projects, and so much more! Recommended uses for product Plumbing repairs, Sealing out air and water, General home repairs, Fast fixes on your boat, Auto or RV, Roof repairs, Pool repairs, Bath and shower, DIY projects, and so much more! See more |
| Size Name | 4' x 25' (Pack of 1) |
| Special feature | Strong,Uv |
| Surface Recommendation | Glass, Metal, Plastic, Stone, Wood |
| UPC | 850017897304 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 200 Degrees Fahrenheit |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Flex Tape
- **Colour:** Black
- **Material:** Acrylic, Aluminium, Copper, Fibreglass, Polyvinyl Chloride, Rubber, Vinyl
- **Number of items:** 1

## Images

![MAX, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor - Home RV Roof and Pool Repairs, Black, 4 in x 25 ft, Pack of 1 - Image 1](https://m.media-amazon.com/images/I/51zgoP3ASgL.jpg)
![MAX, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor - Home RV Roof and Pool Repairs, Black, 4 in x 25 ft, Pack of 1 - Image 2](https://m.media-amazon.com/images/I/71xg-eNmajL.jpg)
![MAX, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor - Home RV Roof and Pool Repairs, Black, 4 in x 25 ft, Pack of 1 - Image 3](https://m.media-amazon.com/images/I/61rJzAJOvVL.jpg)
![MAX, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor - Home RV Roof and Pool Repairs, Black, 4 in x 25 ft, Pack of 1 - Image 4](https://m.media-amazon.com/images/I/71o5Gfp8V+L.jpg)
![MAX, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor - Home RV Roof and Pool Repairs, Black, 4 in x 25 ft, Pack of 1 - Image 5](https://m.media-amazon.com/images/I/71LqSVpbAiL.jpg)

## Questions & Answers

**Q: Can this be cut to two inch width?**
A: Yes. It has a backing on it that you pull off before you stick it down.  You could cut it before you take the backing off.  But make sure you do it before, since it is really sticky once the backing is off.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works good so far......
*by A***R on 28 November 2025*

Blew a hole in the side of my above ground pool... So far it's holding good... We will see when Summer rolls around.

### ⭐⭐⭐⭐⭐ Very tough tape!
*by M***N on 4 June 2026*

Very very VERY sticky and sturdy. We are now using this instead of duct tape when we need a strong waterproof bond. Works as described.

### ⭐⭐⭐⭐⭐ Tape
*by P***Y on 29 May 2026*

The thickness was great. Needed to repair a tub crack

## Frequently Bought Together

- Flex Tape, MAX, 4 in x 25 ft, Black, Original Thick Flexible Rubberized Waterproof Tape - Seal and Patch Leaks, Works Underwater, Indoor Outdoor Projects - Home RV Roof Plumbing and Pool Repairs
- Flex Tape Black - 8 in x 25 ft
- Flex Seal, 14 oz, Black, Stop Leaks Instantly, Waterproof Rubber Spray On Sealant Coating, Perfect for Gutters, Wood, RV, Campers, Roof Repair, Skylights, Windows, and More

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**Shop now:** [https://www.desertcart.co.uk/products/520071614-max-original-thick-flexible-rubberized-waterproof-tape-seal-and-patch](https://www.desertcart.co.uk/products/520071614-max-original-thick-flexible-rubberized-waterproof-tape-seal-and-patch)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-29*