---
product_id: 512224871
title: "Marsui 10 lb 3/4'' (19 mm) Fiberglass for Concrete Cement Mortar Mix, Reinforcement Anti Seepage Anti Cracking White Fibers Fiberglass for Concrete Building Walls Garden Floor"
brand: "marsui"
price: "¥31623"
currency: JPY
in_stock: true
reviews_count: 8
category: "Marsui"
url: https://www.desertcart.jp/products/512224871-marsui-10-lb-3-4-19-mm-fiberglass-for-concrete
store_origin: JP
region: Japan
---

# 0.75 inch (19 mm) fiber length 10 lb durable fiberglass weight Anti-cracking & anti-seepage reinforcement Marsui 10 lb 3/4'' (19 mm) Fiberglass for Concrete Cement Mortar Mix, Reinforcement Anti Seepage Anti Cracking White Fibers Fiberglass for Concrete Building Walls Garden Floor

**Brand:** marsui
**Price:** ¥31623
**Availability:** ✅ In Stock

## Summary

> 🧱 Reinforce. Resist. Rise above cracks with Marsui Fiberglass!

## Quick Answers

- **What is this?** Marsui 10 lb 3/4'' (19 mm) Fiberglass for Concrete Cement Mortar Mix, Reinforcement Anti Seepage Anti Cracking White Fibers Fiberglass for Concrete Building Walls Garden Floor by marsui
- **How much does it cost?** ¥31623 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/512224871-marsui-10-lb-3-4-19-mm-fiberglass-for-concrete)

## Best For

- marsui enthusiasts

## Why This Product

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

## Key Features

- • **Crack-Stop Technology:** Irregular fiber distribution prevents micro-cracks before they start—keep your structures flawless.
- • **Leak-Proof Confidence:** Enhance cement density to block water penetration—perfect for basements and wet environments.
- • **Versatile Application:** Ideal for walls, garden floors, ponds, and exterior surfaces—professional-grade durability wherever you need it.
- • **Rock-Solid Reinforcement:** Boost your concrete’s toughness with 10 lbs of premium 3/4'' fiberglass fibers.
- • **Impact & Earthquake Ready:** Dense fiber network absorbs shocks and vibrations, safeguarding your build from nature’s surprises.

## Overview

Marsui’s 10 lb 3/4'' fiberglass fibers are engineered to reinforce concrete and mortar mixes by enhancing toughness, preventing cracks, and blocking water seepage. With a dense network of high-strength filaments, this commercial-grade additive improves impact resistance and durability, making it ideal for wet and high-stress environments like basements, garden floors, and exterior walls.

## Description

Marsui 10 lb 3/4'' (19 mm) Fiberglass for Concrete Cement Mortar Mix, Reinforcement Anti Seepage Anti Cracking White Fibers Fiberglass for Concrete Building Walls Garden Floor: desertcart.com: Tools & Home Improvement

Review: Yum - Very nice snack for a road trip!
Review: Super good value - It’s a really good deal! A lot of good-looking glass fibers for making a lot of GFRC.

## Features

- Package Includes: you will receive 10 lb concrete fiberglass, the fiberglass filler size is 0.75 inch, can be applied as a reinforcement material, basically meet your family's daily needs
- Anti Leakage: this reinforcement fiberglass is beneficial to increase the density of cement and can effectively solve the problem of penetration; The irregular distribution of glass fiber in the mortar enhances the toughness of the mortar and inhibits the formation of small cracks
- Impact Resistance: high strength fiber filaments are interconnected into a dense network, which tightly fixes the cement, which can effectively enhance the impact and earthquake resistance of cement, which is suitable for strengthening cement works
- How to Use: mix sand, cement and concrete fiber evenly, then add an appropriate amount of water, and finally stir; The stirring time is 30-60 seconds longer than without glass fiber
- Wide Application: our white fibers for concrete are very suitable for improving the stability, crack resistance and impermeability of the products, very suitable for wet places such as basements, ponds, exterior walls, gardens, courtyards, etc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BRN8WSQY |
| Best Sellers Rank | #147,348 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #91 in Fiberglass Raw Materials |
| Brand | Marsui |
| Brand Name | Marsui |
| Color | white |
| Customer Reviews | 4.7 out of 5 stars 82 Reviews |
| Grade Rating | Commercial |
| Item Diameter | 0.75 inches |
| Item Dimensions | 12.01 x 9.84 x 6.5 inches |
| Item Form | Rod |
| Item Shape | Rectangular |
| Item Weight | 10.3 pounds |
| Item dimensions L x W x H | 12.01 x 9.84 x 6.5 inches |
| Manufacturer | Marsui |
| Material | fiberglass |
| Model Number | DO-Marsui-4470666 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | DO-Marsui-4470666 |
| Shape | Rectangular |
| Unit Count | 160 Fluid Ounces |

## Product Details

- **Brand:** Marsui
- **Color:** white
- **Item dimensions L x W x H:** 12.01 x 9.84 x 6.5 inches
- **Material:** fiberglass
- **Shape:** Rectangular

## Images

![Marsui 10 lb 3/4'' (19 mm) Fiberglass for Concrete Cement Mortar Mix, Reinforcement Anti Seepage Anti Cracking White Fibers Fiberglass for Concrete Building Walls Garden Floor - Image 1](https://m.media-amazon.com/images/I/71WLU0l1CdL.jpg)
![Marsui 10 lb 3/4'' (19 mm) Fiberglass for Concrete Cement Mortar Mix, Reinforcement Anti Seepage Anti Cracking White Fibers Fiberglass for Concrete Building Walls Garden Floor - Image 2](https://m.media-amazon.com/images/I/81aHcjysMFL.jpg)
![Marsui 10 lb 3/4'' (19 mm) Fiberglass for Concrete Cement Mortar Mix, Reinforcement Anti Seepage Anti Cracking White Fibers Fiberglass for Concrete Building Walls Garden Floor - Image 3](https://m.media-amazon.com/images/I/81FmCLeS2GL.jpg)
![Marsui 10 lb 3/4'' (19 mm) Fiberglass for Concrete Cement Mortar Mix, Reinforcement Anti Seepage Anti Cracking White Fibers Fiberglass for Concrete Building Walls Garden Floor - Image 4](https://m.media-amazon.com/images/I/81pXRrjwZpL.jpg)
![Marsui 10 lb 3/4'' (19 mm) Fiberglass for Concrete Cement Mortar Mix, Reinforcement Anti Seepage Anti Cracking White Fibers Fiberglass for Concrete Building Walls Garden Floor - Image 5](https://m.media-amazon.com/images/I/81QrYTFBT8L.jpg)

## Available Options

This product comes in different **Number of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Yum
*by D***Y on June 21, 2026*

Very nice snack for a road trip!

### ⭐⭐⭐⭐⭐ Super good value
*by T***G on September 23, 2026*

It’s a really good deal! A lot of good-looking glass fibers for making a lot of GFRC.

### ⭐⭐⭐⭐⭐ Good
*by O***G on October 8, 2025*

I already bought more than 200 lbs.

## Frequently Bought Together

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-28*