---
product_id: 614404900
title: "Dongxw Joist Tape, 8 Rolls 5cm x 15.2m Waterproof Butyl Deck Flashing Tape, Weather Resistant for Decking, Beams, Wood Joists"
brand: "dongxw"
price: "$306.24"
currency: USD
in_stock: true
reviews_count: 13
category: "Dongxw"
url: https://www.desertcart.us/products/614404900-dongxw-joist-tape-8-rolls-5cm-x-15-2m-waterproof
store_origin: US
region: United States of America
---

# 5cm x 15.2m per roll -29°C to 80°C weatherproof 8 rolls for extensive coverage Dongxw Joist Tape, 8 Rolls 5cm x 15.2m Waterproof Butyl Deck Flashing Tape, Weather Resistant for Decking, Beams, Wood Joists

**Brand:** dongxw
**Price:** $306.24
**Availability:** ✅ In Stock

## Summary

> 🛡️ Seal the deal on deck durability—don’t let your outdoor space fade away!

## Quick Answers

- **What is this?** Dongxw Joist Tape, 8 Rolls 5cm x 15.2m Waterproof Butyl Deck Flashing Tape, Weather Resistant for Decking, Beams, Wood Joists by dongxw
- **How much does it cost?** $306.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/614404900-dongxw-joist-tape-8-rolls-5cm-x-15-2m-waterproof)

## Best For

- dongxw enthusiasts

## Why This Product

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

## Key Features

- • **All-Weather Warrior:** Engineered to endure freezing winters and scorching summers without losing grip or flexibility.
- • **Long-Term Cost Saver:** Extend your deck’s lifespan and avoid costly repairs with a single, reliable application.
- • **Ultimate Deck Defense:** Shield your wood joists from water damage and rot with industrial-grade butyl adhesion.
- • **Versatile Application:** Seals wood, metal, glass, plastic, and rubber—perfect for every project on your radar.
- • **Effortless Installation:** Self-adhesive and easy to cut, making your waterproofing job quick and mess-free.

## Overview

Dongxw Joist Tape offers 8 rolls of 5cm x 15.2m waterproof butyl tape designed to protect decking, beams, and joists from water damage and corrosion. With a temperature resistance range from -29°C to 80°C, it ensures reliable performance in extreme weather. Its strong adhesion and compatibility with multiple materials make it a versatile, long-lasting solution for construction and repair projects.

## Description

Product Description

Review: A Reliable Waterproofing Solution for Deck Construction - I recently used Dongxw Butyl Joist Tape to protect the joists and beams of my new deck from water damage. I was impressed with the quality of the tape and how easy it was to apply. The tape is made of a thick, durable butyl rubber that is waterproof and resistant to UV rays. It's also self-adhesive, so it was easy to apply to the joists and beams. I simply cut the tape to the desired length and pressed it onto the wood. The tape adhered well and created a tight seal that will prevent water from seeping into the wood and causing rot. I'm confident that the Dongxw Butyl Joist Tape will help extend the life of my deck by protecting the structural members from water damage. I would definitely recommend it to anyone looking for a reliable waterproofing solution for their deck construction project.
Review: quality tape, sticks really well. - seems quality and sticks well. A bit annoying sometimes taking the thin film off as it tends to peel unevenly but the tape is really good.

## Features

- 🧰【Extended Deck Lifespan】:By using the deck joist tape, you can significantly increase the lifespan of your deck with just one application, leading to long-term benefits. This versatile tape can be used for repairing wooden beams, timber props, fishing boats, RV roofs, and more,saving you future maintenance and replacement costs.
- ✂【Dimensions】: The Joist Tape for Decking comes in a convenient size:5cm *15.2m. Each package contains 8 rolls of the tape, offering ample coverage for your project. Additionally, the tape is designed with multiple combinations for versatile and user-friendly application, making installation a breeze.
- 🌩【High weathering resistance】: The Joist Deck Tape is engineered to withstand extreme temperatures. It can endure low temperatures as low as -20°F (-29°C), ensuring reliable performance even in cold climates. Moreover, it is capable of withstanding high temperatures up to 176°F (80°C), making it suitable for use in various environmental conditions.
- ⚒️【Perfectly Compatible】: The Butyl Deck Joist Tape is specifically designed for the protection of exterior wall joist framing during construction. With its strong adhesion and butyl rubber lining, it effectively prevents water seepage and corrosion, ensuring the structural integrity of the joists. It is compatible with most pressure-treated wood, making it a versatile choice for a wide range of projects.
- ⚙️【Versatile Applications】：The applications of Butyl Joist Tape extend beyond decks, joists, and beams. It can be used on a wide range of material surfaces, including wood, metal, glass, plastic, and rubber, for effective sealing purposes. Its impressive airtightness helps prevent water penetration and corrosion, making it an ideal choice for multiple sealing needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CS2VR25H |
| Best Sellers Rank | 39,074 in DIY & Tools ( See Top 100 in DIY & Tools ) 33 in Butyl Tape |
| Brand | Dongxw |
| Colour | Black |
| Compatible Material | Metal, Wood |
| Country Of Origin | China |
| Customer Reviews | 4.2 4.2 out of 5 stars (308) |
| Manufacturer | Dongxw |
| Material | Butyl |
| Number of Items | 6 |
| Other Special Features of the Product | Waterproof, Heatproof, Anti-Deformation, Anti-Corrosion, Shock Absorption, Tensile Deformation Resistance |
| Recommended Uses For Product | Construction, Repair, Weatherproofing |
| Size Name | 5cm x 15.2m (2" x 50') |
| Unit Count | 6.0 count |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Dongxw
- **Colour:** Black
- **Material:** Butyl
- **Number of items:** 6
- **Recommended uses for product:** Construction, Repair, Weatherproofing

## Images

![Dongxw Joist Tape, 8 Rolls 5cm x 15.2m Waterproof Butyl Deck Flashing Tape, Weather Resistant for Decking, Beams, Wood Joists - Image 1](https://m.media-amazon.com/images/I/71t6GWUHk6L.jpg)
![Dongxw Joist Tape, 8 Rolls 5cm x 15.2m Waterproof Butyl Deck Flashing Tape, Weather Resistant for Decking, Beams, Wood Joists - Image 2](https://m.media-amazon.com/images/I/71avJIArQRL.jpg)
![Dongxw Joist Tape, 8 Rolls 5cm x 15.2m Waterproof Butyl Deck Flashing Tape, Weather Resistant for Decking, Beams, Wood Joists - Image 3](https://m.media-amazon.com/images/I/81fwVJ01puL.jpg)
![Dongxw Joist Tape, 8 Rolls 5cm x 15.2m Waterproof Butyl Deck Flashing Tape, Weather Resistant for Decking, Beams, Wood Joists - Image 4](https://m.media-amazon.com/images/I/81WV+s+y-wL.jpg)
![Dongxw Joist Tape, 8 Rolls 5cm x 15.2m Waterproof Butyl Deck Flashing Tape, Weather Resistant for Decking, Beams, Wood Joists - Image 5](https://m.media-amazon.com/images/I/71ZCf27InlL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ A Reliable Waterproofing Solution for Deck Construction
*by A***D on 8 February 2025*

I recently used Dongxw Butyl Joist Tape to protect the joists and beams of my new deck from water damage. I was impressed with the quality of the tape and how easy it was to apply. The tape is made of a thick, durable butyl rubber that is waterproof and resistant to UV rays. It's also self-adhesive, so it was easy to apply to the joists and beams. I simply cut the tape to the desired length and pressed it onto the wood. The tape adhered well and created a tight seal that will prevent water from seeping into the wood and causing rot. I'm confident that the Dongxw Butyl Joist Tape will help extend the life of my deck by protecting the structural members from water damage. I would definitely recommend it to anyone looking for a reliable waterproofing solution for their deck construction project.

### ⭐⭐⭐⭐⭐ quality tape, sticks really well.
*by T***K on 10 June 2025*

seems quality and sticks well. A bit annoying sometimes taking the thin film off as it tends to peel unevenly but the tape is really good.

### ⭐⭐⭐⭐ Nice and sticky.
*by A***R on 28 May 2026*

Does the job it was brought for.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-19*