---
product_id: 444971821
title: "HIGH HEAT MORTR 10.1OZ"
brand: "dap"
price: "$587.76"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/444971821-high-heat-mortr-10-1oz
store_origin: EC
region: Ecuador
---

# Withstands up to 2000°F Adheres firmly to firebrick wet or dry ASTM E136 non-combustible certified HIGH HEAT MORTR 10.1OZ

**Brand:** dap
**Price:** $587.76
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** HIGH HEAT MORTR 10.1OZ by dap
- **How much does it cost?** $587.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/444971821-high-heat-mortr-10-1oz)

## Best For

- dap enthusiasts

## Why This Product

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

## Key Features

- • **Unmatched Adhesion:** Bonds seamlessly to firebrick whether wet or dry, delivering a rock-hard finish that lasts.
- • **Bulk Pack Convenience:** Available in a 12-pack of 10-ounce tubes, ideal for professional projects or serious DIYers.
- • **Extreme Heat Resistance:** Engineered to endure blazing temperatures up to 2000°F, ensuring your fireplace stays safe and sealed.
- • **Certified Safety Standard:** Meets ASTM E136 non-combustible sealant requirements for trusted fire protection.
- • **Versatile Repair Solution:** Perfect for patching chipped or broken firebricks and tuckpointing for a flawless finish.

## Overview

DAP High Heat Mortar is a premium silicate cement designed for repairing and sealing firebricks in fireplaces. Tested to withstand extreme temperatures up to 2000°F and certified ASTM E136 non-combustible, it adheres firmly whether wet or dry and sets rock hard when fired. Available in a convenient 12-pack, it’s the go-to solution for durable, professional-grade firebrick maintenance.

## Description

DAP HIGH HEAT MORTR 10.1OZ

## Features

- Non-combustible silicate cement used for patching chipped firebrick in fireplaces and sealing
- Used for applications in wood frame construction where an ASTM E136 non-combustible sealant
- Adheres firmly to the firebrick when wet or dry. Sets rock hard when fired
- Use to tuck point between firebricks and to repair broken firebricks
- It has been tested in accordance with ASTM E136 and withstands temperatures up to 2,000° F

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Dap Incorporated |
| Part number | 18854 |
| Item Weight | 1.09 Kilograms |
| Product Dimensions | 20.96 x 15.88 x 30.48 cm; 1.09 kg |
| Item model number | 18854 |
| Size | 12-Pack |
| Color | Black |
| Material | Silicate Cement |
| Item thickness | 12 Inches |
| Item Package Quantity | 1 |
| Included components | ... |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![HIGH HEAT MORTR 10.1OZ - Image 1](https://m.media-amazon.com/images/I/811oYcokC9L.jpg)

## Frequently Bought Together

- 12 Pack of 10.1 oz Dap 18854 High Heat Mortar Black Fire Resistant Mortar
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- Arlington SB130 Metal Stud Bushings, 100-Pack

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**Shop now:** [https://www.desertcart.ec/products/444971821-high-heat-mortr-10-1oz](https://www.desertcart.ec/products/444971821-high-heat-mortr-10-1oz)

---

*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-06-24*