---
product_id: 274680018
title: "XFasten Black Butyl Seal Tape 1/8-Inch x 3/4-Inch x 30-Foot Leak Proof Putty Tape for RV Repair, Window, Boat Sealing, Glass and EDPM Rubber Roof Patching"
brand: "xfasten"
price: "13.45 DT"
currency: TND
in_stock: false
category: "X Fasten"
url: https://www.desertcart.tn/products/274680018-xfasten-black-butyl-seal-tape-1-8-inch-x-3
store_origin: TN
region: Tunisia
---

# 100% waterproof & leakproof Wide -70°F to 210°F range Pro-grade sealing power XFasten Black Butyl Seal Tape 1/8-Inch x 3/4-Inch x 30-Foot Leak Proof Putty Tape for RV Repair, Window, Boat Sealing, Glass and EDPM Rubber Roof Patching

**Brand:** xfasten
**Price:** 13.45 DT
**Availability:** ❌ Out of Stock

## Summary

> 🛠️ Seal it like a pro, last like a legend!

## Quick Answers

- **What is this?** XFasten Black Butyl Seal Tape 1/8-Inch x 3/4-Inch x 30-Foot Leak Proof Putty Tape for RV Repair, Window, Boat Sealing, Glass and EDPM Rubber Roof Patching by xfasten
- **How much does it cost?** 13.45 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/274680018-xfasten-black-butyl-seal-tape-1-8-inch-x-3)

## 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

- • **Professional-Grade Finish:** Seal like the pros with a sleek, seamless look that elevates your repair game.
- • **Extreme Temperature Resilience:** Works flawlessly from freezing cold to scorching heat without melting or losing grip.
- • **Versatile Surface Compatibility:** Adheres perfectly to glass, metal, plastic, wood, and more—one tape to rule them all.
- • **Long Shelf Life & No Mess Storage:** Keeps its form and stickiness without turning gooey, even after months in storage.
- • **Effortless Application on Complex Surfaces:** Bends and sticks on tight corners, curves, and jagged edges with zero fuss.

## Overview

XFasten Black Butyl Seal Tape is a professional-grade, waterproof putty tape designed for RV, boat, and home repairs. With a wide operating temperature range (-70°F to 210°F), corrosion resistance, and compatibility with multiple surfaces, it delivers a seamless, leak-proof finish that looks and performs like a contractor’s work. Its long shelf life and easy application on complex shapes make it the go-to tape for durable, mess-free sealing.

## Description

The XFasten Butyl Tape was formulated and manufactured with the goal of letting average handymen repair their RV and automobile roofing and make it look as if the finished job was done by a pro contractor or repair team.Wide Operating Temperature RangeWe can do this thanks to a -70 to 210 Degree Fahrenheit operating temperature of our tape, something which was certified by the International Organization for Standardization (ISO 9001: Quality).After installation, you will be left with a seamless, neat and mess free installation. It is certified to be watertight and leak free against water, vapor or corrosive chemicals. In terms of functionality and aesthetics-the XFasten Butyl Tape can replicate a professional grade finish.Prevents Unnecessary Melting Into A Messy Puddle of GooThanks to its temperature resistant and anti-corrosion properties, you can easily store the XFasten Putty Tape in a room with a cool temperature and expect it not to be reduced into a messy puddle of goo that can be hard to handle. It is recommended to store the roll in the fridge at least 6 hours before usage for best results.Why Choose the XFasten Brand?More than delivering premium products, our goal is to satisfy our customers. If you have any problems with our tape, even after several months after your purchase, just contact us. No questions asked we will immediately find a way to solve your issue.Here at the XFasten store, we strive hard to satisfy your needs.

## Features

- PROFESSIONAL GRADE RV AND MOBILE REPAIR. The XFasten Butyl Tape can easily replicate how pros seal their roofing or windows both in looks and functionality. Never be intimidated again with RV, mobile home, boat, fiberglass or galvanized metal roofing or EDPM roof rubber repair.
- ELASTIC, SMOOTH CORROSION-RESISTANT AND WATER-TIGHT FINISH. Installs without gaps and can reliably shut off moisture, vapor, corrosive chemicals and other leakages. Surface can be painted over, making your installation area a seamless, neat and heavy duty water-tight workspace.
- INSTALLS EASILY ON TIGHT CORNERS AND UNUSUAL PATTERNS. Can be installed quickly and ideally on tight corners, unusual curves, textured, uneven and most jagged surfaces.
- LONG SHELF LIFE AND EASY TO INSTALL. Unlike most putty tapes, the XFasten Butyl Tape has a long shelf life and resists melting into a gooey slob during transportation or storage, thanks to it wide operating temperature range.
- COMPATIBLE TO SEVERAL SURFACES. Can be applied on rubber roofing, galvanized metal, frosted fiberglass, wood, textile, plastic, aluminum and any other typical RV, home, automobile and boat surfaces.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B06WLQ3WLS |
| Adhesive Material | Butyl |
| Adhesive Side Count | 2 |
| Best Sellers Rank | #219,024 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #71 in Weatherproofing Window Insulation Kits |
| Brand Name | XFasten |
| Color | Black |
| Compatible Material | Glass, Metal, Plastic, Wood |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,833) |
| Included Components | 1/8 Inch Butyl Tape, Adhesive Backing |
| Item Resistance | Chemical Resistant, Cold-resistant, Corrosion Resistant, Heat Resistant, Water Resistant |
| Item Thickness | 3.18 Millimeters |
| Item Weight | 2.4 Ounces |
| Manufacturer | XFasten |
| Material Type | Silicone-Butyl Strip |
| Model | BST3430 |
| Number of Items | 1 |
| Other Special Features of the Product | No Residue |
| Part Number | BST3430 |
| Recommended Uses For Product | Indoor |
| Size Name | 3/4 Inch x 30 Feet, 1/8 Inch Thick, Single Pack |
| Surface Recommendation | Glass, Metal, Plastic, Wood |
| UPC | 602401715660 |
| Unit Count | 1.0 Count |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** XFasten
- **Colour:** Black
- **Material:** Silicone-Butyl Strip
- **Number of Items:** 1
- **Recommended uses for product:** Indoor

## Images

![XFasten Black Butyl Seal Tape 1/8-Inch x 3/4-Inch x 30-Foot Leak Proof Putty Tape for RV Repair, Window, Boat Sealing, Glass and EDPM Rubber Roof Patching - Image 1](https://m.media-amazon.com/images/I/81xgWSpAHmL.jpg)

## Frequently Bought Together

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-10-16*