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Glam Journal

Can you remove a fireplace lintel?

Author

Matthew Shields

Updated on April 04, 2026

Can you remove a fireplace lintel?

The fireplace lintel is typically a metal L-shaped bar or a flat steel beam that supports the bricks and masonry above the firebox opening. There are three important reasons why a fireplace lintel should never be removed.

Does my fireplace need a lintel?

A lintel is not required in all fireplaces and most fireplaces that are not made of brick or stone do not have them. There should always be a lintel or arch above your fireplace/builder’s opening (to support the building material above).

How do I replace a fireplace lintel?

How to Fit a Lintel in a Chimney – A DIYers Guide!

  1. Decide On Lintel Height.
  2. Remove a Brick Either Side Where The Lintel Will Be Installed.
  3. Cut Lintel To Size.
  4. Install the Lintel On a Bed of Mortar.
  5. Re-lay Any Remaining Bricks.
  6. Make Good Any Surrounding Work.
  7. Total Cost for Fitting a Lintel in a Chimney.

Do all chimney breasts have a lintel?

The vast majority of fireplaces will have a lintel. A lintel is required to spread the load from the wall construction above a fireplace opening down through the sides of the fireplace.

Is it safe to remove fireplace?

Removing a chimney isn’t as simple as getting rid of the visible stack. This part is only a tiny portion of the actual chimney structure. They are also safer when removing a chimney from an external wall on a fully detached house, as full removal will significantly weaken the entire wall.

What is the lintel on a fireplace?

The lintel is a horizontal beam placed across the fireplace opening to support the chimney. Sometimes you might see an arch in place of the lintel, which does the same job. Lintels are more common than arches because they are easy to construct and install.

How do you open up a sealed fireplace?

Opening up the fireplace

  1. Examine the chimney breast. If the chimney has been blocked up correctly, there will be a vent in the wall just above the skirting board.
  2. Removing the skirting board.
  3. Uncover the hearth.
  4. Tap the wall.
  5. Cut the bricks.
  6. Revealing the Fireplace.
  7. Check the draught.
  8. Chimney sweep.

What size lintel do I need for a chimney?

Buy a concrete lintel 4″x3″x whatever length required plus some and then cut it to length (ideally using a 9″-wheel angle grinder as a 115mm wheel will not quite get through) and ensure it is long enough to be well supported each end (4″ or 6″ overlap, see next paragraph).

Is it safe to remove lintel from fireplace?

I want to remove this recent brickwork and concrete lintel to open up the fireplace. I’m assuming this is safe as there appears to be an arch lintel above (looks like rowlock or soldiers, could do with taking off a bit more plaster). Does this look right? The new brickwork doesn’t appear to be supporting anything as I can wobble the bricks. J.P.

Can a fireplace surround be removed from the wall?

With the screws removed, the fireplace surround can be removed from the wall. You can use a screwdriver or chisel to help pry the surround away from the wall if it’s stuck in place. If a fireplace surround won’t come away from the wall without brute force, then it may still be attached to the wall in another location.

How do you remove a mantle from a fireplace?

You will need to remove any glue or caulk from around the mantle before it can be taken off the wall. If you have any sort of screwdriver, chisel or even crowbar, you can use these tools to help pull away the mantel from the wall once the sealant has been removed.

Why do you need a lintel bar in a fireplace?

Another function of the lintel bar is to protect the chimney masonry from the fire’s highest temperatures. While the building materials used for fireplaces are designed to withstand intense temperatures, they can still be broken and damaged from immense heat. The lintel reduces the heat exposure that the rest of the chimney endures.

I want to remove this recent brickwork and concrete lintel to open up the fireplace. I’m assuming this is safe as there appears to be an arch lintel above (looks like rowlock or soldiers, could do with taking off a bit more plaster). Does this look right? The new brickwork doesn’t appear to be supporting anything as I can wobble the bricks. J.P.

Can a brick fireplace be removed from inside a house?

Yes, if you only want to remove the brick fireplace from inside the house, you can. This will save you time and money, since you won’t have to deal with the exterior fireplace. Just remove the bricks that are inside the house until there’s enough space to reframe and add insulation.

Is there a lintel or arch above a fireplace?

There should always be a lintel or arch above your fireplace/builder’s opening (to support the building material above). Sometimes you discover that an errant builder forgot.

How to remove a fireplace surround and mantel?

For a single mantel by itself without a surround, look for screws either on top of the mantle or underneath, near to the wall. For a fireplace surround, look for screws that are driven straight into the wall. The screws may be hidden behind plasterboard or pollyfilla to hide them from view, or can also be found on the inside or outside edges.