---
product_id: 543172702
title: "UPTTHOW Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 6MM-2Lb"
brand: "uptthow"
price: "$84.63"
currency: USD
in_stock: true
reviews_count: 6
category: "Uptthow"
url: https://www.desertcart.us/products/543172702-uptthow-fiberglass-for-cement-mortar-concrete-reinforcement-anti-seepage-anti
store_origin: US
region: United States of America
---

# Waterproof & anti-seepage reinforcement 2 lb pack for 1 cubic yard concrete 6mm thick high-strength fibers UPTTHOW Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 6MM-2Lb

**Brand:** uptthow
**Price:** $84.63
**Availability:** ✅ In Stock

## Summary

> 🧱 Build Stronger, Last Longer — Cement Reinforcement That Means Business

## Quick Answers

- **What is this?** UPTTHOW Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 6MM-2Lb by uptthow
- **How much does it cost?** $84.63 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/543172702-uptthow-fiberglass-for-cement-mortar-concrete-reinforcement-anti-seepage-anti)

## Best For

- uptthow enthusiasts

## Why This Product

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

## Key Features

- • **Easy Pro Mixing:** Simply blend with sand and cement; stir 30-60 seconds longer for perfect fiber integration.
- • **Crackproof Confidence:** Fiberglass fibers disperse evenly to prevent fine cracks and boost mortar toughness.
- • **Precision Dosage Control:** Use 1 lb per cubic yard, with extra for high-impact or freeze-thaw zones—engineered for exact performance.
- • **Impact-Ready Reinforcement:** High-strength fiber mesh enhances impact and seismic resistance for long-lasting durability.
- • **Water-Resistant Wall Armor:** Densifies cement matrix to block water penetration—ideal for basements and exterior walls.

## Overview

UPTTHOW Fiberglass 6mm-2lb is a premium cement mortar additive designed to reinforce concrete by preventing cracks, enhancing waterproofing, and improving impact resistance. Perfect for building walls, garden floors, and wet environments, it integrates seamlessly with standard mixes to deliver professional-grade durability and protection.

## Description

UPTTHOW Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 6MM-2Lb : desertcart.co.uk: Business, Industry & Science

Review: strands too long - Strands too long, does not mix well with cement
Review: Perfect for adding to Bondo for extra strength. As a taxidermist, I add it to Bondo to make thinner ears in the animals that I taxidermy. It does a great job.

## Features

- 【Anti-cracking】- Mixing fiberglass and mortar together, the irregular distribution of fiberglass in the mortar enhances the toughness of mortar, and inhibits the formation of fine cracks.
- 【Waterproof and Impermeable】- A large number of fiber filaments increase the density of cement, which can effectively solve the problem of penetration. It is very suitable for wet place such as basements, pond, Exterior wall.
- 【Impact Resistance】-High-strength fiber filaments are attached to each other as a dense net to hold the cement tightly. It can effectively enhance the impact and seismic performance of cement.
- 【How to Use】-Evenly mix sand, cement and fiberglass together, then add an appropriate amount of water, and finally stir (the stiring time is 30-60 seconds longer than without fiberglass)
- 【Dosage】-Use 1 lb. (1 pkg) per cubic yard (27 cubic feet) of concrete. You can add a little more in the area with strong impact or severe freeze-thaw

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09KRT6QK2 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 916,003 in DIY & Tools ( See Top 100 in DIY & Tools ) 175 in Contact Cement |
| Customer Reviews | 4.6 4.6 out of 5 stars (342) |
| Cutting Diameter | 6 Millimetres |
| Date First Available | 1 Nov. 2021 |
| Item Package Quantity | 2 |
| Item Weight | 930 g |
| Item form | Flat Rod, Roll |
| Item model number | JIN-Fiberglass 6mm-2lb |
| Item thickness | 6 Millimetres |
| Manufacturer | UPTTHOW |
| Package Dimensions | 26.01 x 17.7 x 5.59 cm; 930 g |
| Part number | JIN-Fiberglass 6mm-2lb |
| Size | 6mm |

## Product Details

- **Brand:** UPTTHOW
- **Colour:** White
- **Item diameter:** 6 Millimetres
- **Material:** Fiberglass
- **Shape:** Rectangular

## Images

![UPTTHOW Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 6MM-2Lb - Image 1](https://m.media-amazon.com/images/I/41fsgPxsr9L.jpg)
![UPTTHOW Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 6MM-2Lb - Image 2](https://m.media-amazon.com/images/I/51UM3XhncDL.jpg)
![UPTTHOW Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 6MM-2Lb - Image 3](https://m.media-amazon.com/images/I/51eHa5fh8ZL.jpg)
![UPTTHOW Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 6MM-2Lb - Image 4](https://m.media-amazon.com/images/I/51fwcMz3QZL.jpg)
![UPTTHOW Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 6MM-2Lb - Image 5](https://m.media-amazon.com/images/I/51rcNO1mrdL.jpg)

## Questions & Answers

**Q: Are the fibers AR fiberglass (alkali resistant) ?**
A: I made hypertufa pots with the fibers in the mixture since they are glass fibersI believe they are alkali resistant

**Q: Will this work with self leveling cement?**
A: First if your using self leveling cement you most likely are and should be covering it with tile or some type flooring. It should not really need the fiberglass fibers for strength since it is getting covered up. It is possible it will work but don't use a heavy amount. I would try a small test spot on a piece of plywood or somewhere. See what other answers you get back also, or ask the seller too

## Customer Reviews

### ⭐⭐ strands too long
*by B***S on 14 June 2023*

Strands too long, does not mix well with cement

### ⭐⭐⭐⭐⭐ Review
*by S***V on 18 October 2025*

Perfect for adding to Bondo for extra strength. As a taxidermist, I add it to Bondo to make thinner ears in the animals that I taxidermy. It does a great job.

### ⭐⭐⭐⭐⭐ Review
*by M***G on 9 February 2024*

Absolutely what it says. I ordered what I got. I made a mistake thinking it was 5lb but it was actually 4lb. I am so sorry. The cut is good and the weight is correct. I will be ordering more in the future.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-01-26*