The Tortoise Brick sets are lovingly made by our very own hands (and a bit of help from machines too). They are made from vermiculite board, which is widely used by most manufacturers to brick line their stoves.
Clock Sudbury 5 (Compact and 5) Rope Kit
CLOCK BLITHFIELD COMPACT FIREBRICKS
CLOCK BLITHFIELD INSET FIREBRICKS
Clock Blithfield 5 (Compact, 5, Inset and 8) Rope Kit
Dik geurts Ivar 5 FIREBRICKS
CastTec Firemaster 5 Firebricks 2 x (bottom 265mmx120mmx30mm)Vermiculite