






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