---
product_id: 4320311
title: "Versatile Gray Foam Backer Rod - Set 5/8in x 20ft - Essential Caulk Saver for Sealing Concrete Gaps, Expansion Joints, and Crack Filling (71506)"
brand: "m-d building products"
price: "E£ 806"
currency: EGP
in_stock: true
url: https://www.desertcart.com.eg/products/4320311-versatile-gray-foam-backer-rod-set-5-8in-x-20ft
store_origin: EG
region: Egypt
---

# Customizable Size Weather Resistant Durable Material Versatile Gray Foam Backer Rod - Set 5/8in x 20ft - Essential Caulk Saver for Sealing Concrete Gaps, Expansion Joints, and Crack Filling (71506)

**Brand:** m-d building products
**Price:** E£ 806
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it, don’t feel it—your home deserves the best!

## Quick Answers

- **What is this?** Versatile Gray Foam Backer Rod - Set 5/8in x 20ft - Essential Caulk Saver for Sealing Concrete Gaps, Expansion Joints, and Crack Filling (71506) by m-d building products
- **How much does it cost?** E£ 806 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/4320311-versatile-gray-foam-backer-rod-set-5-8in-x-20ft)

## Best For

- m-d building products enthusiasts

## Why This Product

- Trusted m-d building products brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seal the Deal:** Prevent drafts and dust with ease!
- • **Versatile Use:** From roofs to doors, it’s your all-in-one solution.
- • **Concrete Confidence:** Perfect for expansion joints and crack filling.
- • **Effortless Installation:** Push it in, caulk it up—simple as that!
- • **Long-Lasting Performance:** Quality construction for enduring results.

## Overview

The M-D Building Products Versatile Gray Foam Backer Rod is a high-quality, weather-resistant gap filler designed for sealing concrete gaps, expansion joints, and crack filling. Measuring 5/8 inches by 20 feet, it offers a durable solution for both indoor and outdoor applications, ensuring a snug fit and reliable adhesion for caulking projects. Easy to install and customizable, this backer rod is essential for enhancing your home's comfort and protection against drafts and moisture.

## Description

Full description not available

## Features

- Quality Construction: This gap filler is made from high-quality, weather-resistant materials, ensuring long-lasting durability and performance. It effectively seals medium gaps between surfaces, preventing drafts and dust from entering your home. Suitable for both indoor and outdoor use, it withstands various weather conditions, providing consistent protection and improved comfort.
- Concrete Gap Filling Excellence: Our product excels in filling concrete gaps, creating a strong foundation for caulking projects. Utilize this foam to effectively fill joints between surfaces, ensuring dependable adhesion for caulking applications that promise enduring durability and resilience.
- Complete Gap Solution: This product provides versatile gap filling, preventing drafts and offering a sturdy base for caulking. Perfect for expansion joints in driveways and sidewalks, it can be twisted for larger gaps and easily trimmed with scissors to the desired size.
- Effortless Installation: Enjoy a hassle-free setup by effortlessly pushing the backer rod into most joint openings until it fits snugly. Once installed, enhance the seal further by applying caulk on top—no need for messy sealants or adhesives.
- Versatile Application: From repairing leaky roofs and window sills to addressing drafty doors, the Backer Rod is your go-to solution! Beyond sealing surface gaps, it excels in insulating, enhancing airtightness, and damp-proofing your home—offering multifaceted benefits for various household needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 9.6 x 9.2 x 3.9 inches |
| Item Weight | 1.76 ounces |
| Department | Unisex-Adult |
| Manufacturer | M-D Building Products |
| ASIN | B000BQP1D4 |
| Country of Origin | China |
| Item model number | 71506 |
| Is Discontinued By Manufacturer | No |
| Date First Available | June 15, 2006 |

## Product Details

- **Color:** Gray
- **Brand:** M-D Building Products
- **Item Weight:** 0.11 Pounds
- **Item Form:** Foam
- **Surface Recommendation:** Door

## Images

![Versatile Gray Foam Backer Rod - Set 5/8in x 20ft - Essential Caulk Saver for Sealing Concrete Gaps, Expansion Joints, and Crack Filling (71506) - Image 1](https://m.media-amazon.com/images/I/61HHJ4QXlvL.jpg)

## Available Options

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

## Questions & Answers

**Q: This will seem like a bizarre question, but does it smell? (Like the majority of Chinese-made closed cell foam materials.)**
A: I use it for taxidermy purposes and havent noticed any smell.

**Q: Is product gray or black?**
A: Mine was Gray...

**Q: Can i use that to repair my garage floor cracks with the concrete caulk?**
A: I wouldn’t. It’s just foam. If the crack is huge I would use sand as a filler and apply a deep layer of concrete patch

**Q: does this break down or come apart easily when wet?**
A: No. Its foam.. it doesnt break down at all

## Frequently Bought Together

- M-D Building Products - Versatile Gray Foam Backer Rod - Set 5/8in x 20ft - Essential Caulk Saver for Sealing Concrete Gaps, Expansion Joints, and Crack Filling (71506)
- M-D Building Products - Versatile Gray Foam Backer Rod - Essential Caulk Saver for Sealing Concrete Gaps, Expansion Joints, and Crack Filling, 3/8 by 20 Feet, (Pack of 2) (71464)
- M-D Building Products 71480 1/2-Inch by 20-Feet Backer Rod, Gray

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-02-11*