Due to system maintenance, the Skilled Trades Ontario Portal and the Public Register may experience possible service interruptions from 9 a.m. on September 12 to September 13 at 12 p.m. We apologize for any inconvenience.
Refractory Mason
A Refractory Mason:
- Builds and repairs heat and corrosion resistant structures and vessels such as furnaces, tanks, and containers
*IMPORTANT NOTICE*
Please note this trade has been designated as inactive and is no longer accepting apprenticeship registrations indefinitely following a 3-month evaluation period assessing the program’s viability. To learn more about the review process, please see: STO initiates review of 18 apprenticeship programs – Skilled Trades Ontario.