Fireplace Mortar Cartridge For Firebrick Repair, 10.3 Fl Oz, Black, High Heat Cure Formula, Interior Use Only, EZ For Fixing Chips, Repointing Joints, And Bonding Firebricks, 2000 F Rated, Covers About 99 Feet At One Eighth Inch Bead
✔️ Single 10.3 oz cartridge; heat cures to 2000°F; Black
This high-temperature fireplace mortar cartridge is designed to patch fireplace fireboxes and bond firebrick inside interior fireplaces. Use it to repair small chips, re-point mortar joints, and secure bricks, with a heat-curing process that hardens to stone-like strength.
✅ 10.3 oz cartridge; single pack
✅ Color: Black
✅ Bead size: 1/8 in (3.175 mm)
✅ Coverage: approx 99 ft at 1/8 in bead
✅ Temp rating: up to 2000°F (1090°C)
✅ Interior use only; heat-curing required
✅ Silicate-based mortar bonds firebrick; passes ASTM E136 & E72
💡 What is a fireplace mortar cartridge used for? This handy product is used for interior fireplace repair and bonding bricks.
- Patch chipped firebox bricks and re-point joints
- Bond firebrick to firebrick for a solid interior wall
- Heat-curing formula sets hard and resists high temperatures