---
product_id: 537608120
title: "Butyl Tape Black, 1/2 in x 30 ft x 1/8 in – Easy-to-Work-with Automotive Butyl Sealant Tape, Mess-Free Rubber Caulk for RV, EPDM Putty for Window, Headlight, Roof, Windshield, and Car Doors"
brand: "xfasten"
price: "¥5504"
currency: JPY
in_stock: true
category: "X Fasten"
url: https://www.desertcart.jp/products/537608120-butyl-tape-black-1-2-in-x-30-ft-x
store_origin: JP
region: Japan
---

# 100% waterproof & airtight seal Heat resistant up to 290°F 30 ft continuous gapless tape Butyl Tape Black, 1/2 in x 30 ft x 1/8 in – Easy-to-Work-with Automotive Butyl Sealant Tape, Mess-Free Rubber Caulk for RV, EPDM Putty for Window, Headlight, Roof, Windshield, and Car Doors

**Brand:** xfasten
**Price:** ¥5504
**Availability:** ✅ In Stock

## Summary

> 🖤 Seal smart, seal sleek — the ultimate butyl tape for pros who demand flawless finishes.

## Quick Answers

- **What is this?** Butyl Tape Black, 1/2 in x 30 ft x 1/8 in – Easy-to-Work-with Automotive Butyl Sealant Tape, Mess-Free Rubber Caulk for RV, EPDM Putty for Window, Headlight, Roof, Windshield, and Car Doors by xfasten
- **How much does it cost?** ¥5504 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/537608120-butyl-tape-black-1-2-in-x-30-ft-x)

## 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

- • **Mess-Free Mastery:** Patented butyl formula stays clean on your hands for a professional-grade finish every time.
- • **Durability That Lasts:** Reliable sealing performance for up to 5 years, yet removes cleanly when you need it—no residue, no stress.
- • **Effortless Mold & Fit:** Conforms perfectly to irregular surfaces—wood, glass, metal, plastic—no more awkward gaps or messy finishes.
- • **Seamless Weatherproof Shield:** Create airtight, watertight seals that withstand rain, heat, and corrosion without fail.
- • **Precision Packaged for Perfection:** Gapless, snag-free tape in a durable box ensures smooth, hassle-free application every time.

## Overview

XFasten Butyl Tape Black is a premium 1/2 in x 30 ft x 1/8 in automotive-grade sealant tape engineered for airtight, waterproof sealing on RVs, windows, roofs, and more. Heat resistant up to 290°F and corrosion-proof, it molds easily to irregular surfaces and delivers a mess-free, professional finish. Designed for durability with up to 5 years of reliable performance, this gapless, double-sided butyl tape is the go-to solution for millennial professionals seeking efficient, long-lasting weatherproofing.

## Description

desertcart.com: XFasten Butyl Tape Black, 1/2 in x 30 ft x 1/8 in – Easy-to-Work-with Automotive Butyl Sealant Tape, Mess-Free Rubber Caulk for RV, EPDM Putty for Window, Headlight, Roof, Windshield, and Car Doors : Industrial & Scientific

## Features

- AIRTIGHT SEALING. 100% Waterproof black butyl tape provides durable, watertight sealing to RV, windshields, joint sealing, and EPDM metal roofing and patching. Withstands extreme temperatures and corrosive elements.
- MADE TO LAST. Withstanding up to 290°F, our RV butyl seal tape lasts up to 5 years with top-notch sealing performance but still REMOVES CLEANLY, making this butyl rope durable but removable.
- EASY-TO-MOLD. Our butyl window sealant conforms well to uneven, irregular shapes and tight spaces, making it versatile for putty seal tape applications on wood, glass, metal, and plastic.
- MESS-FREE. Thanks to its patented butyl rubber sealant polymer formulation, our putty seal tape doesn’t melt into a messy goo, so it stays manageable on your hands, allowing for a PROFESSIONAL FINISH.
- ZERO GAPS. Our butyl rubber tape is packed continuously without gaps and securely fitted in a durable box, preventing deformations. Our RV window butyl tape installs cleanly without snags, skips, or runs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BPMW7485 |
| Adhesive Format | TAPE |
| Adhesive Location | Double Sided |
| Adhesive Side Count | 2 |
| Best Sellers Rank | #1,335 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Butyl Tape |
| Brand Name | XFasten |
| Color | Black |
| Compatible Material | Ceramic, Glass, Metal, Plastic, Polycarbonate (PC) |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,874) |
| Global Trade Identification Number | 00850043685562 |
| Included Components | 1/2” Butyl Tape Putty |
| Item Dimensions L x W x Thickness | 0.5"W x 0.13"Th |
| Item Resistance | Corrosion Resistant, Heat Resistant, Water Resistant |
| Item Thickness | 0.13 inches |
| Manufacturer | XFasten |
| Material Type | Rubber |
| Model | 2023 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Other Special Features of the Product | Airtight and Watertight Butyl Caulking Tape Sealing, Can Be Used as an Automotive Headlight Sealant, Conforms to Irregular Shapes Making it a Great Automotive Butyl Tape, Super Strong, Gapless, and Mess-free: This butyl window sealant will not reduce into a messy goo, Uv-Resistant, Waterproof, and Nondrying RV putty tape |
| Part Number | XF-BSTB1230 |
| Recommended Uses For Product | Creating Weatherproof Seal on Home Window Frames, Outdoor, Repair Leaks in Gutters and Downspouts, Seal Joints and Prevent Leaks in Boats and Other Marine Applications, Sealing Ductwork in HVAC, Heating, Cooling, Ventilation, Airconditioning Systems for Better Energy Effeciency, Sealing Joints in Roofing, Patching and Siding Applications, Sealing RV Roof, Windows, Doors and other Openings, Sealing… |
| Size Name | 1/2” x 1/8” x 30', Single Pack |
| Surface Recommendation | Glass, Plexiglass, Wood, Concrete, Plastic, Polycarbonate, Metal, Galvanized Metal, Ceramic, Stone |
| Tensile Strength | 30 psi |
| Unit Count | 30 Feet |
| Upper Temperature Rating | 290 °F |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** XFasten
- **Color:** Black
- **Material:** Rubber
- **Number of Items:** 1

## Images

![Butyl Tape Black, 1/2 in x 30 ft x 1/8 in – Easy-to-Work-with Automotive Butyl Sealant Tape, Mess-Free Rubber Caulk for RV, EPDM Putty for Window, Headlight, Roof, Windshield, and Car Doors - Image 1](https://m.media-amazon.com/images/I/81tVD+GwveL.jpg)

## Available Options

This product comes in different **Color, Size** options.

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-08-15*