Never mind pedantry, this is for posterity....
They are only doing a small% of total deck area, timescale for that is at present 1 year.
Goes on in a 10,000C plasma jet 3 layers needed for complete treatment@ 2-2.5mm resistant to 1500C and will last 50 years...
I'm going to stick my neck out and say that in less than five years there will be an issue with that treatment needing (expensive) remedial work. 50 years my arse.
Remember the tiles on the space shuttle?