---
product_id: 733847340
title: "Dry Mix 21125 Refractory Mortar 2550F Air Hardening Fire Cement Dark Grey 2.5 lbs Tab"
brand: "rutland products"
price: "R1804"
currency: ZAR
in_stock: true
category: "Rutland Products"
url: https://www.desertcart.co.za/products/733847340-dry-mix-21125-refractory-mortar-2550f-air-hardening-fire-cement
store_origin: ZA
region: South Africa
---

# 2550°F heat resistance compatible with brick & firebrick 72-hour full cure time Dry Mix 21125 Refractory Mortar 2550F Air Hardening Fire Cement Dark Grey 2.5 lbs Tab

**Brand:** rutland products
**Price:** R1804
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the heat, own the hearth — don’t let your fireplace miss out!

## Quick Answers

- **What is this?** Dry Mix 21125 Refractory Mortar 2550F Air Hardening Fire Cement Dark Grey 2.5 lbs Tab by rutland products
- **How much does it cost?** R1804 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/733847340-dry-mix-21125-refractory-mortar-2550f-air-hardening-fire-cement)

## Best For

- rutland products enthusiasts

## Why This Product

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

## Key Features

- • **Ultimate Heat Shield:** Withstands scorching temperatures up to 2550°F, perfect for fireplaces and pizza ovens.
- • **Seamless Brick Bonding:** Specially formulated for flawless joining and repairing of chimney bricks and flue tiles.
- • **Fast & Easy Application:** Just add water and mix—no heat setting required, saving you time and hassle.
- • **Durable & Water Resistant:** Engineered to resist moisture and maintain integrity in high-heat environments.
- • **Trusted Industry Standard:** Meets NFPA 211 and NYSCMA Tek specs, ensuring professional-grade performance.

## Overview

Rutland DryMix 21125 is a high-heat resistant, fire-retardant refractory mortar designed for repairing and joining chimney bricks, flue tiles, and masonry in fireplaces, wood stoves, and fire pits. It cures fully in 72 hours, requires only water for mixing, and meets key safety standards, making it the go-to choice for durable, professional-grade fire cement.

## Description

RUTLAND DryMix 211 is a fire-retardant mortar perfect for joining or repairing chimney bricks and masonry flue tiles on gas and wood fireplaces, wood, coal, and pellet stoves. Simply add water, stir and iron to seal and join brick and flue tiles. Does not require any heat setting (but more powerful). Meets NFPA 211 and NYSCMA Tek specifications

## Features

- Dry Mix Fireproof Cement, High Temperature Cement, Fire Cement, Fire Clay, Fireproof Clay, Cement for Forging, Castable Fireproof Cement, High Temperature Cement, High Heat Cement, Fireproof Brick Cement, Fireplace Cement, Fireplace Cement, Fireplace Cement, Fire Pit Cement, Pizza Oven Cement
- Container Type: Pail
- Product form: Powder
- Features: High heat resistance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CZY5JVKY |
| Best Sellers Rank | #24,514 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6,869 in Hardware |
| Brand Name | Rutland Products |
| Color | gray |
| Customer Reviews | 4.6 4.6 out of 5 stars (293) |
| Global Trade Identification Number | 00022624211259 |
| Grade Rating | Residential |
| Included Components | Just mix with water |
| Item Form | Powder |
| Item Weight | 2.5 Pounds |
| Manufacturer | Rutland |
| Material | Fire retardant mortar |
| Model Number | 21125 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | 21125 |
| Specification Met | True |
| UPC | 022624211259 |
| Unit Count | 40.0 Ounce |

## Product Details

- **Brand:** Rutland Products
- **Colour:** gray
- **Item form:** Powder
- **Item weight:** 2.5 Pounds
- **Material:** Fire retardant mortar

## Images

![Dry Mix 21125 Refractory Mortar 2550F Air Hardening Fire Cement Dark Grey 2.5 lbs Tab - Image 1](https://m.media-amazon.com/images/I/81q-bEt3V9L.jpg)

## Available Options

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

## Frequently Bought Together

- Rutland Dry Mix Refractory Mortar, Masonry & Fire Brick Cement, No Heat Cure Required, Dark Gray, 2550F, 2.5 lb Tub
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- 12 Pieces Insulating Fire Brick for Ovens, Kilns, Blacksmith, Fireplaces, Forges 9" x 4.5" x 1.25" 2300F Rated Insulating Fire Bricks

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**Shop now:** [https://www.desertcart.co.za/products/733847340-dry-mix-21125-refractory-mortar-2550f-air-hardening-fire-cement](https://www.desertcart.co.za/products/733847340-dry-mix-21125-refractory-mortar-2550f-air-hardening-fire-cement)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-11-07*