Can a tub that has been reglazed before be re-done?
Yes. It can be done again.
Is it cheaper to buy a new bathtub?
No. The cost of a new porcelain tub is around $300 but the cost to replace the tiles surrounding and the plumbing could be a total cost of over $2000.
How long before I can use the tub?
Normally after 24 hours.
How long will reglazing last?
With proper care it will last for many years.
What is reglazing?
Re-glazing or refinishing is a process of applying a new coating onto bathtub, sinks, tile, fiberglass, etc.