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Height Extension Kit

Increase the height of your firebox opening.

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More Height, More Options

FireRock fireplaces come with a standard 34.5” opening height (with the exception of the Rumford style.) The height extension kit can be used to increase the height of a firebox’s finished opening by almost nine inches.
This accessory is perfect for designs that call for an arched opening that would normally reduce the open area of the firebox.
  • Overall height: 8 ⅝”
  • Width: varies by firebox size
  • Three piece unit that includes two side blocks and one back block
  • This product should be treated as another course at installation
  • The height extension kit cannot be used with LiteRock or See-Through models
  • Please consult local building codes for specifics regarding any masonry fireplace application