Fire brick replacement in Quadrafire Isle Royale

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Berkshire Tom

New Member
Aug 18, 2020
western Massachusetts
I need to replace some loose and broken fire bricks in my 16-year-old Quadrafire Isle Royale stove. I have ordered new fire bricks approved for this use, and have them on hand. I'm a novice though -- do I have to use an adhesive to attach the fire bricks to the back of the stove or just use the steel bracket in the stove? Any and all advice will be welcomed.


Staff member
Nov 18, 2005
South Puget Sound, WA
I think they are just held in by the bracket. Paging Jags for verification.


Moderate Moderator
Staff member
Aug 2, 2006
Northern IL
Just the steel bracket. No adhesive. The light weight pumice style brick needs the ability to expand and contract during the temp cycles.