r/HomeImprovement • u/RamUStudent • 2d ago

Flue tile sizing?

Hi home improvement, experts and DIY’ers.

Ran into a conundrum as I’m prepping to redo the wash caps on top of my chimneys and replace some flue tiles.

My question lies around flue tile sizing.

The flu tile for this particular fireplace seems to be an oddball size and the closest thing I can find is an 8”x12”… but these appear to be 8-1/4”x12-3/4” from outside edge to edge. I ask this as for some reason flue tiles are also hard find local to me in Central Ohio, otherwise I’d buy a couple and just compare.

Is this an oddball size that’s no longer made or is my flue that measures a bit bigger an 8”x12”?

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u/Alive_Pomegranate858 1d ago

8.5" x 13" (and 9" x 13") were common sizes years ago. Nowadays it is more common to see 8" x 12". By me we can still find 8.5" x 13" (and sometimes 9" x 13") flues. There will always be manufacturing variance though. Depending on the manufacturer, it can be up to 1/2" (talking about you Superior Clay). I would call a few local brickyards to see what sizes they stock. I would try to get the closest size to original. Alternatively, you can contact the major manufacturers (Superior Clay and Sandkuhl). Interestingly they are both in Ohio. Good luck!

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u/RamUStudent 1d ago

Thanks for sharing your knowledge! And that’s exactly what I ended up doing and found another supplier that I didn’t know about to give a call today.

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u/_perfectly_broken_ 2d ago

I don't have a good answer except that sizes on most construction items have changed over the years and standard is no longer standard. It's why when my husband replaced out front door, it didn't actually fit 🤦‍♀️