I have just finished an outdoor pool for my former teacher (now she's retired and happily living with her French husband). I did a gunite one, but I'm not sure if there are standards I need to meet for this? The finish product is pretty, I wish I could send a photo here but I respect their privacy but I admit it looks off on some places but I worked with an engineer so I know everything works. Anyway she says she's happy about it but maybe she's just saying that to make me feel good. Need your input.