Is this gap between refractory panels supposed to be there? : r/Fireplaces

Hargrove has your manufactured or masonry fireplace covered with this Replacement Fireplace Refractory Panel. This glass fiber-reinforced ceramic

Hargrove 28 Inch Replacement Fireplace Refractory Panel - Single Pack

All About Prefabricated Fireplaces

Osburn 3300 Wood Stove (OB03300), Osburn OB03300

Refractory Panel Replacement

Santa's Friend Chimney ServiceTime to Replace Your Firebox Panels? - Jackson MS

Pellet Stove Inserts: The #1 Pellet Fireplace Inserts Store

FC Refractory Panel Replacement

Valcourt Frontenac Wood Burning Fireplace

Monessen GRUF32C-R GRUF 32 Inch Vent Free Firebox with Radiant Clean Face and Refractory Standard Firebrick GRUF32C-R