Backer and substrate
Once old walls come out, the provider can see the backer board or other material. Damaged backing is replaced before new walls go up.
New shower walls
Replacing a shower surround means taking out the old wall surface and building new walls in its place. It is the chance to check the backing and waterproofing that keep water where it belongs.
For homeowners planning a tub, shower or bathing-area project at a home they own in an eligible ZIP code. Not for mobile homes, billing or customer-service questions, or small accessory-only jobs.

In short
Shower surround replacement removes the existing wall surround in a shower or tub-shower area and installs a new one, usually tile or panels. It solves worn, damaged or leaking walls at their source, because the backer and waterproofing are exposed and inspected. It is a bigger step than fitting liners over walls, and it often reveals what has been hidden.
Options and layouts
Tile offers many sizes, colors and patterns. It depends on proper backer and waterproofing, and grout lines need regular cleaning.
Bigger tiles mean fewer grout lines. They need a flat wall, so substrate preparation becomes even more important.
Panels can cover large areas with few seams. Their sizes and edge details shape how the corners and openings are finished.
Kits are made to fit common tub and shower sizes. They suit standard layouts better than unusual ones.
Some projects use panels on main walls and tile for a niche or accent.

Project fit
Plan ahead
Once old walls come out, the provider can see the backer board or other material. Damaged backing is replaced before new walls go up.
Tile and some panels rely on a waterproofing layer behind them. Ask how it will be applied and how it ties into the tub or base.
Opening the walls may reveal framing or valve issues. New fixture locations or niches are easier to plan at this stage.
Demolition is noisy and creates debris. Many Miami condominiums limit work hours and set rules for debris removal.
The surround meets a tub or base. If that is worn or leaking, it may make sense to plan both together.
Consultation
Removing a surround can uncover damaged backing, framing or plumbing that was not visible before. A provider should explain how hidden conditions are handled and how they may change the scope. Homeowners should leave demolition, plumbing and electrical work to the provider and only make safe observations, such as photos, notes and gently pressing on walls.
If only a few tiles are loose or a grout line needs attention, a tile repair specialist may serve you better than a full surround project. Small grout or caulk work alone is not what this site's consultations cover. If moisture problems are widespread, see persistent moisture in the bathing area for safe next steps.
Process
Send photos of the walls, tub or base and fixtures, and describe any leaks, stains or loose tiles.
Tile, panels or a mix are discussed, along with niches, fixture positions and finishes.
Old walls come out, and backer, framing and plumbing are checked before anything new is built.
New backer and waterproofing are installed where needed and tied into the tub or base.
Tile or panels are installed, seams and openings are sealed, and fixtures are trimmed out.
Miami considerations
Many South Florida homes have original or older tiled showers, and the region's humidity gives moisture plenty of chances to work into worn grout and backing. In condominiums, a failing shower wall can affect units below, and association rules often govern demolition hours and debris handling. Expect a provider to look closely at what sits behind older tile.
If walls are loose, sound hollow, show water stains or feel soft when pressed gently, the backing may be damaged. Covering that with panels can hide ongoing damage. Replacement lets the provider remove the old surface and check what is behind it before new walls go up.
Panels usually have fewer seams, so there is less grout to scrub. Tile can still be easy to care for with larger tiles and good sealing. Your choice may also depend on the look you want and how the provider plans the walls.
Backer board is the material behind the tile or panels. It gives the new surface a firm, moisture-resistant base. If the old backing is damaged or the wrong material for a wet area, a provider may recommend replacing it as part of the project.
Many tile showers use a waterproofing membrane or coating over the backer, carefully joined at corners, seams and where the wall meets the tub or base. Some panel systems handle water differently. Ask the provider which method they plan and how it is detailed at edges.
Often, yes. With the walls open, adding a recessed niche or adjusting fixture positions is easier to plan. Changes to plumbing or framing must be assessed by the provider, and in condos the association may need to be consulted.
It can make sense if the tub or base is worn, cracked or leaking, since the new walls tie into it. Doing both together avoids disturbing new walls later. A shower replacement may be worth discussing if both parts are failing.

Next step
Share your ZIP code, the current tub or shower and what you want to change. If the project fits, you can be connected with an independent provider who serves your area.