---
product_id: 34174420
title: "AlumiBond 4\" x50' MicroSealant Tape with 4mil Aluminum Backer | 21 mil Total Thickness | EB-AB040-50R - One-Step Durable, Waterproof and Airtight Repair"
brand: "eternabond"
price: "R$1569"
currency: BRL
in_stock: true
category: "Automotive"
url: https://www.desertcart.com.br/products/34174420-alumibond-4-x50-microsealant-tape-with-4mil-aluminum-backer-21
store_origin: BR
region: Brazil
---

# AlumiBond 4" x50' MicroSealant Tape with 4mil Aluminum Backer | 21 mil Total Thickness | EB-AB040-50R - One-Step Durable, Waterproof and Airtight Repair

**Brand:** eternabond
**Price:** R$1569
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** AlumiBond 4" x50' MicroSealant Tape with 4mil Aluminum Backer | 21 mil Total Thickness | EB-AB040-50R - One-Step Durable, Waterproof and Airtight Repair by eternabond
- **How much does it cost?** R$1569 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/34174420-alumibond-4-x50-microsealant-tape-with-4mil-aluminum-backer-21)

## Best For

- eternabond enthusiasts

## Why This Product

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

## Description

AlumiBond 4" x50' MicroSealant Tape with 4mil Aluminum Backer | 21 mil Total Thickness | EB-AB040-50R - One-Step Durable, Waterproof and Airtight Repair

## Features

- For use on virtually all roofs, walls, floors, gravity tanks, troughs, etc.
- UV stable and moisture tight, creates an air and vapor barrier
- Thick 4mm aluminum backing combined with Eternabond's advanced MicroSealant creates a hard surface
- Bonds to a wide variety of materials
- Remains flexible to temperatures as low as -70° F

## Images

![AlumiBond 4" x50' MicroSealant Tape with 4mil Aluminum Backer | 21 mil Total Thickness | EB-AB040-50R - One-Step Durable, Waterproof and Airtight Repair - Image 1](https://images-na.ssl-images-amazon.com/images/I/513l%2BBBrgTL.jpg)

---

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**Shop now:** [https://www.desertcart.com.br/products/34174420-alumibond-4-x50-microsealant-tape-with-4mil-aluminum-backer-21](https://www.desertcart.com.br/products/34174420-alumibond-4-x50-microsealant-tape-with-4mil-aluminum-backer-21)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-29*