Actually u can see the roof tiles standing inside of the house, one day i found tile cracks on slab, when i looked up, I saw the crack above ensuite toilet, light can leak in so will rain... then I walk around quite few times only found this one crack, will ask them to replace it!
If it makes you feel any better, I arrange for an independent inspection at SLAB and FRAME but they didnt find anything major.. At FRAME, they only found a few missing nails.. So i think you should be fine.. Been told Burbank does quiet a good job by my inspector!!!
Also, today I called the SS to ask him whats happening with Roof tiling.. why they hadn't put up the roof (but I really called to find a date) but all he said was each builder does things differently and said if I was worried about the Floors being wet etc then to be re-assured that the timber frames they use are all to with stand up to 6 months without issues.. (Is that True??) but I didn't want to argue as they know better than me I guess.
Fortunate we havent had heavy rain or else i be complaining more to them!!!!
Maybe I am being inpatient but he said Brickies has to finish bricking ground floor entire before they can arrange Scaffold to go up.. Then Brick to first floor , then Gutter and last but not least the Roof Title