---
product_id: 610300731
title: "XFasten Butyl Joist Tape for Decking, 2 Inch x 50 Feet, Professional Butyl Deck Joist Tape 2 Inch Waterproof Roof Sealant Flashing Tape, Black"
brand: "xfasten"
price: "€ 43.72"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/610300731-xfasten-butyl-joist-tape-for-decking-2-inch-x-50
store_origin: FI
region: Finland
---

# airtight waterproof seal -40°F to 360°F thermal range 105 lbs/in tensile strength XFasten Butyl Joist Tape for Decking, 2 Inch x 50 Feet, Professional Butyl Deck Joist Tape 2 Inch Waterproof Roof Sealant Flashing Tape, Black

**Brand:** xfasten
**Price:** € 43.72
**Availability:** ✅ In Stock

## Summary

> 🛡️ Protect your deck like a pro—install once, enjoy forever!

## Quick Answers

- **What is this?** XFasten Butyl Joist Tape for Decking, 2 Inch x 50 Feet, Professional Butyl Deck Joist Tape 2 Inch Waterproof Roof Sealant Flashing Tape, Black by xfasten
- **How much does it cost?** € 43.72 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/610300731-xfasten-butyl-joist-tape-for-decking-2-inch-x-50)

## Best For

- xfasten enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Rated to last 50 years, defending your deck from moisture, UV, and extreme temps.
- • **Weatherproof Warrior:** Withstands harsh weather from freezing cold to scorching heat without losing integrity.
- • **Effortless Application:** Quick-release liner and flexible design for fast, precise installation—even on tricky surfaces.
- • **Seal the Deal Airtight:** Industry-leading waterproofing that locks out moisture and vapor for lasting durability.
- • **Zero Maintenance, Maximum Protection:** Extends lifespan of joists and screw points with no upkeep required.

## Overview

XFasten Butyl Joist Tape is a professional-grade, 2-inch by 50-foot waterproof sealing tape designed for decking. Engineered with a durable butyl compound, it offers exceptional tensile strength (105 lbs/in), a wide thermal tolerance (-40°F to 360°F), and airtight moisture protection. Its quick-release liner and flexible form factor enable fast, hassle-free installation on wood surfaces, ensuring long-lasting defense against weather, UV, and steam damage—backed by a 50-year lifespan rating.

## Description

Full description not available

## Features

- LASTS A LIFETIME. Rated to last up to 50 years, our butyl joist tape for decks safeguards against moisture, UV, steam, and extreme temperature. ZERO-MAINTENANCE needed; our butyl deck tape extends the lifespan of beams, joists, and screw points.
- QUICK RELEASE LINER. Sporting a quick-release liner, our deck flashing tape is FLEXIBLE, allowing for FAST INSTALLATION, even on uneven surfaces and hard-to-reach joints.
- WIDE THERMAL RANGE. Withstanding temps of -40°F to 360°F, high humidity, and UV, tour joist hanger tape won’t reduce into a gooey mess in any weather, unlike other deck truss tape.
- EXTREME WATERPROOFING. You need a waterproof deck tape that delivers AIRTIGHT sealing. Our deck wrap tape is able to seal deck joists from moisture and vapor, exceeding industry standards.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | XFasten |
| Color | Black |
| Material | Butyl Tape |
| Number of Items | 1 |
| Recommended Uses For Product | Outdoor, Construction |
| Special Feature | Heat-Resistant, Waterproof |
| Product Dimensions | 2"L x 2"W x 2"Th |
| Surface Recommendation | Wood |
| Water Resistance Level | Waterproof |
| Size | 2 Inch x 50 Feet (Single-Pack) |
| Tensile Strength | 105 Pounds Per Inch |
| Upper Temperature Rating | 360 Degrees Fahrenheit |
| Compatible Material | Wood |
| Unit Count | 1.0 Count |
| Item Resistance | Heat Resistant |
| Manufacturer | XFasten |
| Part Number | XF-JT2x50P1 |
| Item Weight | 1.81 pounds |
| Item model number | OD-2G1E-NIQN-01 |
| Style | 2 inch x 50 ft (Single Pack) |
| Pattern | Solid |
| Item Package Quantity | 1 |
| Special Features | Heat-Resistant, Waterproof |
| Included Components | 2 Inch x 50 Feet Butyl Joist Tape for Decking |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** XFasten
- **Color:** Black
- **Material:** Butyl Tape
- **Number of Items:** 1
- **Recommended Uses For Product:** Outdoor, Construction

## Images

![XFasten Butyl Joist Tape for Decking, 2 Inch x 50 Feet, Professional Butyl Deck Joist Tape 2 Inch Waterproof Roof Sealant Flashing Tape, Black - Image 1](https://m.media-amazon.com/images/I/81h7j88OiQL.jpg)
![XFasten Butyl Joist Tape for Decking, 2 Inch x 50 Feet, Professional Butyl Deck Joist Tape 2 Inch Waterproof Roof Sealant Flashing Tape, Black - Image 2](https://m.media-amazon.com/images/I/81RsYXn1MKL.jpg)
![XFasten Butyl Joist Tape for Decking, 2 Inch x 50 Feet, Professional Butyl Deck Joist Tape 2 Inch Waterproof Roof Sealant Flashing Tape, Black - Image 3](https://m.media-amazon.com/images/I/81-FFw4wAbL.jpg)
![XFasten Butyl Joist Tape for Decking, 2 Inch x 50 Feet, Professional Butyl Deck Joist Tape 2 Inch Waterproof Roof Sealant Flashing Tape, Black - Image 4](https://m.media-amazon.com/images/I/81HTa9LI6LL.jpg)
![XFasten Butyl Joist Tape for Decking, 2 Inch x 50 Feet, Professional Butyl Deck Joist Tape 2 Inch Waterproof Roof Sealant Flashing Tape, Black - Image 5](https://m.media-amazon.com/images/I/81RbUe7vHwL.jpg)

## Available Options

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

## Frequently Bought Together

- XFasten Joist Tape for Decking 2 Inch x 50 Feet Weatherproof Butyl Sealant Deck Tape Joist - Deck Joist Tape 2 Inch Flashing Tape Waterproof Roof Flashing Tape Joist Guard Protection Tape
- Heelos Deck Joist Tape 6''×50', 1 Pack Weather-Resistant Joist Tape for Decking, Waterproof Seal Antiseptic Butyl Joist Tape,Self-Adhesive Flashing Joist Tape for Wood Decks Beams Roof
- Heelos Butyl Joist Deck Tape 4"×50,1 Pack Weather-Resistant Deck Joist Tape Waterproof Flashing Tape, Self-Adhesive Joist Tape Decking for Wood Decks Joist Beams Roof

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-30*