Asked by: Tata Irigoyen
asked in category: General Last Updated: 27th February, 2020

Can a cracked firebox be repaired?

Cracked or deteriorating brick or mortar, typically in the back wall, is one of the most common problems with the firebox. Cracked mortar may be repaired by chiseling away cracked areas and repointing with fireclay.

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Keeping this in view, how do you fix a crack in a firebox?

How to Fix a Cracked Fire Box

  1. Lay sheets of old newspaper across your hearth to minimize mess.
  2. Empty the fireplace of all ash, burnt wood, and other debris.
  3. Clean the inside of the firebox with damp rags, scrubbing the interior walls and flooring where the log grate normally sets.

Secondly, are cracks in fireplace dangerous? Cracks and damage in the firebox can be a serious hazard if not addressed immediately. The high heat that exists in the firebox itself can transfer through cracks and damage structural materials in your home. This can also risk fire and allow carbon monoxide intrusion.

Likewise, how much does it cost to replace a firebox?

Fixing a firebox costs $160 to $750. A stone firebox that needs rebuilding can cost upwards of $1,500 or $2,500.

How do I replace my firebox?

Replacing a firebox may extend the life of your fireplace.

  1. Measure the firebox for height, width and depth.
  2. Examine your existing firebox to find out what it's made of.
  3. Brace the existing firebox with 2-by-4s.
  4. Rake out the existing mortar in the firebox with a hand rake and discard it.

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