---
product_id: 274948587
title: "Tape Flex Seal Tape Leak Repair Waterproof Tape Duct Tape, 4''x 60' 4''x 60\""
brand: "welstik"
price: "€ 9.70"
currency: EUR
in_stock: true
reviews_count: 5
category: "Welstik"
url: https://www.desertcart.hr/products/274948587-tape-flex-seal-tape-leak-repair-waterproof-tape-duct-tape
store_origin: HR
region: Croatia
---

# 100% Waterproof Seal UV & Weather Resistant 4'' x 60' Heavy-Duty Size Tape Flex Seal Tape Leak Repair Waterproof Tape Duct Tape, 4''x 60' 4''x 60"

**Brand:** welstik
**Price:** € 9.70
**Availability:** ✅ In Stock

## Summary

> 💪 Seal it, fix it, forget it — the ultimate leak-proof flex tape!

## Quick Answers

- **What is this?** Tape Flex Seal Tape Leak Repair Waterproof Tape Duct Tape, 4''x 60' 4''x 60" by welstik
- **How much does it cost?** € 9.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/274948587-tape-flex-seal-tape-leak-repair-waterproof-tape-duct-tape)

## Best For

- welstik enthusiasts

## Why This Product

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

## Key Features

- • **Super Strong Bond:** Tensile strength and peel adhesion tested for long-lasting repairs.
- • **Extreme Weather Ready:** UV resistant and performs in freezing cold to scorching heat.
- • **Effortless Application:** Clean, peel, stick—done. Repairs large cracks and gaps in minutes.
- • **Flexible & Conformable:** Rubberized backing molds to any shape or surface flawlessly.
- • **Unmatched Waterproof Power:** Seals leaks instantly—even underwater, no drying needed.

## Overview

Welstik Flex Seal Tape is a premium 4-inch by 60-foot waterproof duct tape engineered with a thick, flexible rubberized backing that adheres to wet or dry surfaces, even underwater. Designed for professional-grade repairs, it withstands extreme temperatures and UV exposure, making it ideal for sealing leaks in roofs, pipes, and containers with a durable, weather-resistant bond.

## Description

Color:Black | Size:4 inches x 5 foot， 1 rollWelstik Leak Repair Waterproof Tape Duct tape is an extremely durable waterproof tape that seals out water, air, and moisture to create a super strong bond that can repair VIRTUALLY EVERYTHING! Welstik Flex Tapeour was tested for grip, peel adhesion, tensile strength and stretch to assure highest safety and quality. Waterproof and Easy to Clean. You can flex and pull this tape to fit any curve or crease.Welstik Leak Repair Waterproof Tape Duct tape is very convenient to use and carry, and can repair all leaky containers.Easy Installation install with three simple steps. (1) Clean the aim surface; (2) peel & stick; (3) flat the tape to seamless. Seat Tape recommends that the tape be applied to surfaces that have been washed clean and dried.OUR GUARANTEE Our tape is made from the best materials and quality available. If for any reason our product does not meet your satisfaction, feel free to contact us.

Review: Works great for patching holes in koi pond liner.
Review: works great!

## Features

- Welstik Waterproof Patch & Seal flexible tape and conforms to the surface to repair holes, cracks, gaps, and tears,epairs leaks in roofs, low pressure . Waterproof and Easy to Clean.
- Waterproof Patch & Seal Tape is a super strong, waterproof tape that can patch, bond, seal and repair virtually everything!It improves the service life of roofs, plastic products and water pipes.
- Waterproof Patch & Seal Tape is specially formulated with a thick, flexible, rubberized backing that conforms to any shape or object!After numerous waterproofing and application tests, it can completely repair water pipes and leaky containers and solve your problems.
- Waterproof Patch & Seal Tape can be applied hot or cold, wet or dry…..even underwater! FLEX TAPE instantly seals out water, air and moisture to create a super strong, flexible, watertight barrier!
- Waterproof Patch & Seal Tape is to quickly cover large cracks, gaps and holes! FLEX TAPE is UV resistant, environmentally friendly, and has a wide temperature range so it can be used in extreme weather conditions!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07VB6Y1NR |
| ASIN  | B07VB6Y1NR |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #60,932 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #119 in Sealing Tape |
| Color | Black |
| Customer Reviews | 3.9 3.9 out of 5 stars (280) |
| Customer reviews | 3.9 3.9 out of 5 stars (280) |
| Date First Available | 11 October 2019 |
| Date First Available  | 11 October 2019 |
| Is Discontinued By Manufacturer  | No |
| Item Package Quantity | 1 |
| Item Weight | 141 g |
| Manufacturer | Welstik Tape |
| Manufacturer  | Welstik Tape |
| Manufacturer reference | LRWTBLACK |
| Manufacturer reference  | LRWTBLACK |
| Material | Polyvinyl Chloride |
| Part number | LRWTBLACK |
| Product Dimensions | 10 x 8 x 10 cm; 141 g |
| Product Dimensions  | 10 x 8 x 10 cm; 141 g |
| Size | 4''x 60" |
| Special Features | Waterproof, Weather Resistant, UV resistant |

## Product Details

- **Brand:** WELSTIK
- **Colour:** Black
- **Material:** Polyvinyl Chloride
- **Number of Items:** 1
- **Recommended uses for product:** Plumbing

## Images

![Tape Flex Seal Tape Leak Repair Waterproof Tape Duct Tape, 4''x 60' 4''x 60" - Image 1](https://m.media-amazon.com/images/I/51ZtNzh1WbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***. on 5 September 2024*

Works great for patching holes in koi pond liner.

### ⭐⭐⭐⭐⭐ Review
*by S***E on 13 October 2021*

works great!

### ⭐⭐⭐⭐⭐ Review
*by C***1 on 17 April 2024*

Have ordered this tape more than once. Very strong adhesive. Have used to repair a car floor mat, cracked storage bin, garden hose, and several other items. Holds up well.

## Frequently Bought Together

- WELSTIK Waterproof Tape Patch & Seal Tape Leak Repair Tape Duct Tape, Black, 4''x 60"
- Gorilla Waterproof Patch & Seal Tape 4" x 10' Black, (Pack of 1)
- J-B Weld 8277 WaterWeld Epoxy Putty Stick - 2 oz., Off White

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**Shop now:** [https://www.desertcart.hr/products/274948587-tape-flex-seal-tape-leak-repair-waterproof-tape-duct-tape](https://www.desertcart.hr/products/274948587-tape-flex-seal-tape-leak-repair-waterproof-tape-duct-tape)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-06*