Tub-to-Shower Conversion: What to Plan Before Demo

Decide the finished shower footprint

The existing tub footprint may work, or you may want to widen the shower. Wall movement, door clearance and toilet spacing can affect what is practical.

Plan the drain strategy

Tub drains are commonly located differently from shower drains. The framing below determines how easily the drain can be relocated and whether floor structure must be considered.

Choose the shower base approach

Options include a tiled shower pan, prefabricated base or other approved systems. Each has different drain, waterproofing and tile implications.

Plan accessibility now

Think about curb height, grab-bar blocking, handheld shower location, bench options and future mobility. Adding structure before walls close costs far less than retrofitting it later.

Coordinate niche, valve and glass locations

Storage and controls should be comfortable to reach without interfering with studs, plumbing or glass hardware.

Select finishes after the layout is sound

Tile, grout and fixtures matter, but waterproofing, drainage and clearances determine whether the shower performs well.

Common mistakes to avoid

• Assuming the tub drain can stay exactly where it is
• Choosing glass before confirming finished opening
• Skipping blocking for future grab bars
• Starting demo before tile and fixture lead times are known
• Budgeting only for visible finishes and not hidden damage

Should you DIY or hire help?

Planning finishes is homeowner-friendly. Demolition, plumbing relocation, waterproofing, tile and glass coordination are multi-trade work where professional sequencing usually prevents expensive rework.