Rutland 63 Black Mortar Cartridge
FIREPLACE MORTAR
- Use on cracked or chipped firebrick & mortar
- Repoints and patches
- Becomes hard as firebrick when fire-cured
- Apply with a standard caulking gun
- Temperature rating - 2000 degrees
- May be painted once heat cured
- Made in the USA
- Meets ASTM E136 & E72
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