---
product_id: 733847340
title: "Dry Mix 21125 Refractory Mortar 2550F Air Cure Fire Cement Dark Grey 2.5lb Tub"
brand: "rutland products"
price: "359.96 DT"
currency: TND
in_stock: true
reviews_count: 5
category: "Rutland Products"
url: https://www.desertcart.tn/products/733847340-dry-mix-21125-refractory-mortar-2550f-air-cure-fire-cement
store_origin: TN
region: Tunisia
---

# 72-hour full cure time 2550°F heat resistance perfect for masonry & firebrick Dry Mix 21125 Refractory Mortar 2550F Air Cure Fire Cement Dark Grey 2.5lb Tub

**Brand:** rutland products
**Price:** 359.96 DT
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the heat, own the hearth!

## Quick Answers

- **What is this?** Dry Mix 21125 Refractory Mortar 2550F Air Cure Fire Cement Dark Grey 2.5lb Tub by rutland products
- **How much does it cost?** 359.96 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/733847340-dry-mix-21125-refractory-mortar-2550f-air-cure-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

- • **Compact & Powerful:** 2.5lb tub packs high-performance fire clay mortar in a manageable size for precise repairs.
- • **Ultimate Heat Shield:** Withstands scorching temperatures up to 2550°F, ensuring your fire structures stay intact.
- • **Effortless Application:** Just add water and mix—no heat setting required for a hassle-free repair experience.
- • **Versatile Fireproofing:** Ideal for chimneys, fireplaces, wood stoves, and pizza ovens—join bricks with confidence.
- • **Trusted Safety Standard:** Meets NFPA 211 and NYSCMA Tek specs for reliable, code-compliant fire mortar.

## Overview

Rutland Dry Mix 21125 is a high-temperature, fire-retardant refractory mortar designed for masonry repairs in fireplaces, chimneys, and wood stoves. It cures fully in 72 hours, requires no heat setting, and meets key fire safety standards, making it the go-to solution for durable, professional-grade firebrick bonding.

## 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

Review: Used as directed,it worked amazingly well to repair and in some places replace the lining of the firebox of my wood burning cookstove.
Review: good stuff ease to work with. container is smaller than it appears.

## Features

- drymix fire retardant cement, high temperature cement, fire cement, fire clay, fire clay, forged cement, castable fire retardant cement, high temperature cement, high heat cement, fire brick cement, fireplace cement, fireplace cement, fire pit cement, pizza oven cement
- Container Type: Pale
- Product form: Powder
- Feature: High Heat Resistant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CZY5JVKY |
| Best Sellers Rank | #128,303 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #33,552 in Hardware |
| Brand Name | Rutland Products |
| Color | gray |
| Compatible Material | Brick, Firebrick |
| Container Type | pale |
| Customer Reviews | 4.6 4.6 out of 5 stars (211) |
| Full Cure Time | 72 Hours |
| Global Trade Identification Number | 00022624211259 |
| Included Components | Just mix with water |
| Item Form | Powder |
| Item Package Quantity | 1 |
| Item Weight | 1.13 kg |
| Manufacturer | Rutland |
| Material Type | Fire retardant mortar |
| Model | 21125 |
| Other Special Features of the Product | High heat resistance |
| Specific Uses For Product | Masonry, fireplace, wood stove, chimney, firehouse |
| UPC | 022624211259 |
| Unit Count | 1133.9809 Grams |
| Viscosity | medium |
| Volume | 486 Cubic Inches |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Rutland Products
- **Item form:** Powder
- **Material:** Fire retardant mortar
- **Special features:** High heat resistance
- **Specific uses for product:** Masonry, fireplace, wood stove, chimney, firehouse

## Images

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

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***E on 28 February 2026*

Used as directed,it worked amazingly well to repair and in some places replace the lining of the firebox of my wood burning cookstove.

### ⭐⭐⭐⭐⭐ Review
*by D***N on 25 January 2026*

good stuff ease to work with. container is smaller than it appears.

### ⭐⭐⭐⭐⭐ Review
*by C***N on 17 November 2025*

Used this product to line the interior of a forge.

## 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.tn/products/733847340-dry-mix-21125-refractory-mortar-2550f-air-cure-fire-cement](https://www.desertcart.tn/products/733847340-dry-mix-21125-refractory-mortar-2550f-air-cure-fire-cement)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-04*