Rear Door Refractory Inspection Explained: How to Prevent Boiler Door Failure - Weekly Boiler Tip

Rear door refractory is one of the most overlooked inspection items in a boiler room, but when it fails, the consequences can be severe—metal overheating, door warping, and premature equipment failure.


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⏱️ Chapters

00:00 – Why rear door refractory is critical

00:22 – What good refractory should look like

00:49 – Wash coats & annual recoating

01:14 – Fiber refractory risks in flue gas paths

01:34 – Skim coats vs rigidizers (what to use and when)


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