Replacing a bathtub is a surprisingly large job. The surround comes off, which usually means drywall repair. A plumber disconnects and reconnects. The old tub has to physically leave the house, which in a lot of homes means removing a door frame. Then tile, then paint. A week is optimistic.
Resurfacing does the same visual job in a fraction of that, because nothing comes out. The tub stays where it is, the plumbing is never touched, and the drywall never opens.
Here is how the day actually runs. First, the tub gets stripped and cleaned aggressively — old caulk out, soap residue and body oils removed completely, drain and overflow hardware masked off. This step takes longer than people expect and it is the step that decides whether the finish lasts.
Next, chips, cracks and worn spots are filled and sanded flat. A tub with a chunk missing at the drain end can be brought back level; it does not have to show through the new finish.
Then the surface is etched so the coating has something to grip. This is the technical heart of the process. Fiberglass, acrylic, porcelain over steel and cast iron each behave differently, which is why we confirm the tub material before quoting.
The epoxy finish is sprayed in even passes rather than rolled, so there is no texture and no lap marks. The room is ventilated throughout and stays ventilated while it cures. Most tubs need somewhere between 24 and 48 hours before they can take water, and we tell you the specific number for your job rather than a generic figure.
Finally, fresh caulk lines go in at the tub-to-tile and tub-to-floor joints, and the bathroom is cleaned before we leave.
On longevity: a properly prepared resurfaced tub holds up for years of normal use. What kills a resurfaced finish early is abrasive cleaner. Powdered scouring products will dull and eventually cut through the coating. A non-abrasive liquid cleaner and a soft cloth is all it needs, and that habit alone is most of the maintenance.
The same process works on tile surrounds, shower pans and countertops, which is why a full bathroom refresh — tub, surround and vanity top — can often be done in the same visit for far less than replacing any one of them.