---
product_id: 375426866
title: "Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 3/4\"(19MM)-1lb"
brand: "uptthow"
price: "€ 47.37"
currency: EUR
in_stock: true
reviews_count: 13
category: "Uptthow"
url: https://www.desertcart.sk/products/375426866-fiberglass-for-cement-mortar-concrete-reinforcement-anti-seepage-and-anti
store_origin: SK
region: Slovakia
---

# Waterproof fiber network blocks seepage 1 lb per cubic yard dosage for optimal strength 19mm fiberglass strands for max reinforcement Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 3/4"(19MM)-1lb

**Brand:** uptthow
**Price:** € 47.37
**Availability:** ✅ In Stock

## Summary

> 🧱 Reinforce your build with the fiber that stops cracks and water in their tracks!

## Quick Answers

- **What is this?** Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 3/4"(19MM)-1lb by uptthow
- **How much does it cost?** € 47.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/375426866-fiberglass-for-cement-mortar-concrete-reinforcement-anti-seepage-and-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 Mix:** Simply blend with sand and cement; stir 30-60 seconds longer for perfect fiber integration.
- • **Precision Dosage:** Use 1 lb per cubic yard, with extra for high-impact or freeze-thaw zones to ensure lasting resilience.
- • **Crackproof Confidence:** Fiberglass fibers disperse evenly to prevent fine cracks and boost mortar toughness.
- • **Impact-Ready Strength:** High-tensile fiber mesh enhances impact resistance and seismic durability of concrete.
- • **Seamless Waterproofing:** Dense fiber filaments create an impermeable barrier ideal for basements and exterior walls.

## Overview

UPTTHOW 19mm Fiberglass Reinforcement is a 1 lb fiber additive designed to enhance cement mortar and concrete by preventing cracks, improving waterproofing, and boosting impact resistance. Ideal for walls, garden floors, and wet environments, it integrates easily with standard mixes for professional-grade durability.

## Description

UPTTHOW Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 3/4"(19MM)-1lb: desertcart.com: Tools & Home Improvement

Review: Perfect addition to Bondo or fiberglass resin. - 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: Works well - Works great binding curbing cement.

## 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 | B099PBY82Y |
| Best Sellers Rank | #51,382 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Concrete |
| Date First Available | July 16, 2021 |
| Item Form | Fiber |
| Item Weight | 1 pounds |
| Item model number | Fiberglass 19mm-2lb |
| Manufacturer | UPTTHOW |
| Number of Items | 1 |
| Package Dimensions | 11.77 x 6.61 x 2.95 inches |

## Product Details

- **Brand:** UPTTHOW
- **Color:** White
- **Item Thickness:** 0.39 Inches
- **Material:** Fiberglass
- **Shape:** Irregular Shape

## Images

![Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 3/4"(19MM)-1lb - Image 1](https://m.media-amazon.com/images/I/715nRghGIDL.jpg)
![Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 3/4"(19MM)-1lb - Image 2](https://m.media-amazon.com/images/I/81XOIowNKOL.jpg)
![Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 3/4"(19MM)-1lb - Image 3](https://m.media-amazon.com/images/I/81eubYW9sXL.jpg)
![Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 3/4"(19MM)-1lb - Image 4](https://m.media-amazon.com/images/I/81HCtLzu8UL.jpg)
![Fiberglass for Cement Mortar Concrete Reinforcement Anti-Seepage and Anti-Cracking Cement Mix for Building Walls Garden Floor 3/4"(19MM)-1lb - Image 5](https://m.media-amazon.com/images/I/91vaUr-2FKL.jpg)

## Available Options

This product comes in different **Size, Item Package Quantity** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect addition to Bondo or fiberglass resin.
*by S***V on October 18, 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.

### ⭐⭐⭐⭐⭐ Works well
*by S***L on February 10, 2026*

Works great binding curbing cement.

### ⭐⭐⭐⭐⭐ It works!
*by T***M on October 17, 2025*

If you want an easy way to make concrete stronger this is what you need!

## Frequently Bought Together

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-24*