







🔥 Seal the heat, stop the threat — fireproof your space like a pro!
DAP High Heat Fire Resistant Mortar is a black silicate cement paste designed for interior use in wood-frame construction and fireplaces. It meets ASTM E136 standards, withstands temperatures up to 2000°F, and sets rock hard when fired. This low-odor, waterproof sealant is easy to apply and clean up with water, making it ideal for patching firebrick, sealing gaps, and improving energy efficiency by stopping air leaks.



| Color | Black |
| Brand | DAP |
| Item Weight | 1.3 Pounds |
| Liquid Volume | 10 |
| Full Cure Time | 2 Hours |
| Item Form | Paste |
| Maximum Gap Fill | 0.06 Inches |
| Surface Recommendation | Interior |
| Temperature Range | 40 to 100 Degrees Fahrenheit |
| Water Resistance Level | Waterproof |
| Number of Items | 1 |
| Manufacturer | DAP |
| UPC | 070798188549 |
| Global Trade Identification Number | 00070798188549 |
| Unit Count | 10.1 Ounce |
| Material | Silicate Cement |
| Part Number | 7079818854 |
| Item Weight | 1.27 pounds |
| Product Dimensions | 11.5 x 2 x 2 inches |
| Item model number | 7079818854 |
| Is Discontinued By Manufacturer | No |
| Size | 10 oz |
| Style | Tube |
| Shape | Shape |
| Thickness | 1 Inches |
| Item Package Quantity | 1 |
| Included Components | 1 Tube |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Warranty |
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