Chimney Top Plates

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jdk022

New Member
Aug 17, 2026
4
Maryland
I did a quick search of the forum and couldn’t find much guidance on top plates. Most of the kits I see available for flex liners include a flat plate, although terra cotta plates are available separately that attach with screws instead of (or maybe in addition to) sealant. Some even have built in rain caps. If I have 6” of exposed terra cotta above my chimney crown is it worth buying a specialized terra cotta plate like the ones below?
[Hearth.com] Chimney Top Plates
[Hearth.com] Chimney Top Plates
 
The weight of the liner will keep the top plate stationary until the sealant dries. The fancy one looks way better. I did not have the fancy one and it always reminded me of a top hat.