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One-day bath, honestly

Sample data

A one-day liner system and a conventional tub-to-shower conversion are different products at different prices doing a similar-looking job. Put the two upfront numbers side by side over the years you actually expect to stay in the house, and read the list below of what each one does and does not do — because the difference is not really the money, it is what happens behind the wall.

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$
$
%
yr

Up to 25.

Break-even, paid in cash

Not within 12 years

After 12 years: -$14,500 ($0 of value)

Today12 yr$0-$14,500
Paid in cash

Below the dashed zero line you are still behind; above it the upgrade has paid for itself.

How this works

  • This is not a savings calculator. A bathroom does not save you money every month, so the monthly figure starts at zero and is there only if you want to put a value on getting the work finished in a single visit rather than over two weeks.
  • What it is for is the upfront comparison over time, and the honest list of differences that no sales visit puts side by side.
  • What a liner system does: covers the existing tub surround with moulded acrylic or PVC, usually in a day or two, with a factory warranty on the panels. Genuinely good when the substrate behind it is sound and you need a tub wall gone quickly — which is often the case when it is about a parent getting in and out safely.
  • What a liner system does not do: it goes over what is there. It does not inspect or replace the substrate, it does not find a slow leak, and it does not move plumbing. If there is water damage behind the wall, it is still behind the wall afterwards.
  • What a conventional conversion does: takes the old surround out, so whatever is behind it gets seen and dealt with, and the waterproofing is rebuilt. It takes one to three weeks and the price depends on what is found.
  • Resale is the other axis. Ask a local agent what each does to a sale in your market; it varies more than either side of this argument admits.
  • Both are sold at your kitchen table, and both are covered by the FTC's three-business-day cancellation right if you sign at home.
  • The tool projects month by month, not year by year, so the break-even point is a month you can point at rather than a rounded year.
  • Every input on this page is editable. The numbers it opens with are honest starting points, not a quote and not a prediction — change them to your own and the answer changes with them.
  • If you finance, the comparison is against everything you pay on the loan, principal and interest, not against the sticker price. That is usually the number the monthly payment is designed to obscure.
  • Nothing you enter leaves your device.

Common questions

Is a one-day bath a rip-off?

No. It is a real product with real uses, and for someone who needs a tub wall gone quickly it is often the right answer. What makes it a bad deal is buying it without a conventional quote to compare it against, at a price set in your kitchen at nine o'clock at night, when what you actually had was a leak behind the wall.

Why does it matter that it goes over the existing surround?

Because if there is a slow leak or rot behind the tile, a liner covers it rather than finding it. In a bathroom over twenty years old that is a real possibility, and it is the single question worth asking before you choose: what happens if there is water damage behind this wall, and how would we know?

Which one is worth more when I sell?

Ask a local agent, because it varies by market more than either side of the argument admits. A liner in good condition is not a negative in most markets; a visibly dated bathroom is. Neither is a reason to overpay today.

What does the one-day bath, honestly do?

Compare a one-day acrylic liner or wall system against a conventional tub-to-shower conversion over the years you expect to stay: what each costs upfront, what each does and does not cover, what happens when something behind the wall needs attention, and what each is worth at resale. Every assumption is editable and sourced.

Where do the numbers come from?

Until this tool is reviewed it uses sample assumptions. The sources it will cite are listed on this page.

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