It is 3mm thick. The gasket in the picture we have cut as an example. It is very easy to cut with a pair of scissors.
Ceramic Paper Stove Door Glass Seal & Flue Pipe Gasket Material 3mm A4 Sheet
3MM TSEC PAPER STOVE DOOR GLASS SEAL FLUE PIPE GASKET MATERIAL A4 Sheet
Stove door glass seal ,Flue pipe gasket material 2mm thick 295mm x 160mm
2MM INSULFRAX S PAPER STOVE DOOR GLASS SEAL FLUE PIPE GASKET MATERIAL A4 Sheet
Stove door glass seal ,Flue pipe gasket material 2mm A4 sheet
Stove Door Glass Seal Flue Pipe Gasket Material Heat Resistant 1200°C 125/155MM
