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Crack in my fireplace
Posted on 1/22/25 at 4:13 pm
Posted on 1/22/25 at 4:13 pm
I was cleaning the ash from my fireplace and noticed a crack on the back wall. Should this concern me with regard to safety? Thanks.
6
Posted on 1/22/25 at 4:15 pm to TDTOM
I have one similar in mine. I was told unless a nickel would fit in the crack, it's ok to use.
Posted on 1/22/25 at 5:24 pm to TDTOM
If it's just hairline, you should be fine with a patch. You can get these (possibly have to buy the larger bucket in store) at Home Depot. If you think it's possibly worse than hairline you'd probably want to call a fireplace specialty company. It's so cold right now you could probably put your hand up to it and feel the slightest bit of air coming through if it was more than hairline.
Posted on 1/22/25 at 5:31 pm to iwyLSUiwy
Thanks. It is a metal box fireplace with a stamped heat plate. I am gonna let it roll tonight, but I will patch it tomorrow.
Posted on 1/22/25 at 5:41 pm to TDTOM
quote:
Thanks. It is a metal box fireplace with a stamped heat plate. I am gonna let it roll tonight, but I will patch it tomorrow.
You can probably buy a replacement plate, I did for our last house that had an insert. Wasn't hard to find or slide in there.
Posted on 1/22/25 at 8:34 pm to TDTOM
Rutland cement is usually rated higher temp than fireplace caulk. Just repaired a chiminea that gets scorching hot. Glued together with fireplace caulk then coated with rutland cement. All good.
Posted on 1/22/25 at 9:24 pm to TDTOM
My local Stine’s had a small tub of the cement. Any big box store should have fireplace caulk. Caulk was rated 1600 cement was rated 2000.
Posted on 1/23/25 at 9:12 am to AyyyBaw
quote:
My local Stine’s had a small tub of the cement. Any big box store should have fireplace caulk. Caulk was rated 1600 cement was rated 2000.
That tube I posted is probably the same thing you bought. It's not actually caulk, it's Rutland cement in a caulk tube. Rated for 2000. I've only seen it in a small bucket but just looking on Home Depots site I saw it in the caulk tube, figured that'd be good for a hairline crack.
Posted on 1/23/25 at 11:47 am to iwyLSUiwy
Yep, definitely the same. Good product.
Posted on 1/23/25 at 2:56 pm to TDTOM
I have similar cracks that were there when I bought the house almost 19 years ago. I researched and looked into repair options but decided it was fine and so far so good.
Posted on 1/23/25 at 3:14 pm to TDTOM
A lot of fireplaces have a brick/ceramic liner or panel box that are prone to cracking. These can be replaced fairly easily. Cracks in the actual brick can be sealed up with fireplace mortar or sealant, but can lead to larger problems in the future.
Posted on 1/24/25 at 1:37 pm to TDTOM
Don't let Hunter Biden know you have crack in your fireplace, just saying.
Posted on 1/27/25 at 2:28 pm to AyyyBaw
quote:
Rutland cement is usually rated higher temp than fireplace caulk. Just repaired a chiminea that gets scorching hot. Glued together with fireplace caulk then coated with rutland cement. All good.
Did you have to cure it after putting the "caulk" on? I read on their site that you should cure it at 500*.
Posted on 1/27/25 at 8:01 pm to TDTOM
Just let it sit for a week then fired it up. Its held up fine but I’ve only lit it once since applying.
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