Decision Guide

When to Reglaze a Bathtub (and When to Replace Instead)

Reglazing is not always the right answer. Some tubs should be reglazed, some should be replaced, and some need a different approach entirely. This guide covers every scenario so you can make the right call.

Reglaze When...

Surface staining and discolouration

Hard water stains, rust marks, and yellowed finishes are ideal candidates. Reglazing covers them completely.

Worn or dull finish

The original glaze has eroded over decades of use, leaving a rough, matte surface. Reglazing restores the smooth, glossy finish.

Minor chips (fewer than 5)

Small chips are filled during prep. Reglazing covers the repairs and produces a uniform surface.

Outdated colour

Pink, avocado green, harvest gold, or any colour that screams 1970s. Reglazing in white or almond modernises the tub instantly.

Cast iron tub in good structural condition

Cast iron tubs are extremely expensive and labour-intensive to replace (300-500 pounds). Reglazing at $350-$650 is a fraction of the replacement cost.

Bathroom is otherwise fine

If the tile, plumbing, and layout work for you, reglazing updates just the tub without a full renovation.

Do NOT Reglaze When...

Structural cracks through the tub body

A crack that goes through the material (not just the surface glaze) means the tub is failing. Reglazing will not fix a structural crack. Replace the tub.

Fiberglass delamination

If layers of fiberglass are separating (visible bubbling, soft spots, spongy feeling when you step in), the tub is rotting from within. Reglazing over delamination is money wasted.

Tub feels soft or spongy underfoot

This indicates the tub structure has weakened. Particularly common in older fiberglass tubs. The tub needs replacement, not a cosmetic refresh.

You want to change the tub size or layout

Reglazing refinishes the existing tub in place. If you want a different size, shape, or configuration, full replacement is the only option.

You want a shower-to-tub or tub-to-shower conversion

Configuration changes require plumbing and structural work. Reglazing cannot change what your tub is.

Pre-1978 Homes: Lead Paint Testing

If your home was built before 1978, the existing tub coating may contain lead. Lead-based paints and coatings were used on fixtures through the late 1970s. Before any sanding or stripping, the surface should be tested for lead.

DIY test kit

$10 to $50 at any hardware store. Swab the surface and read the colour indicator. Results in minutes. Good for initial screening.

Professional test

$150 to $300 for a certified lead inspector. Uses XRF testing for definitive results. Required if you need documentation for insurance or sale.

If lead is present, the reglazing contractor must follow EPA RRP (Renovation, Repair, and Painting) rules. This includes containment, HEPA vacuuming, and wet sanding methods. Not all contractors are RRP-certified, so verify before hiring.

Home Sale Scenario

Reglazing is one of the highest-ROI pre-listing improvements. A $400 reglazing job can add $1,000 to $2,000 in perceived bathroom value. That is a 2.5x to 5x return. A clean, bright white tub in listing photos makes a measurable difference to buyer perception. Stained, chipped, or outdated-colour tubs are one of the first things buyers notice (and mentally deduct from their offer).

If you are listing within 2 to 4 weeks, professional reglazing is the better choice. The tub will be fully cured in time for showings. If you are listing in under two weeks and the tub just needs cosmetic help, a DIY kit may be acceptable since the finish only needs to look good for photos and a few open houses.

Rental Property Scenario

For landlords, reglazing is often the best option. It is fast (done in an afternoon), cheap ($300 to $600), and causes minimal disruption to tenants. A professional job between tenants refreshes the bathroom for the next lease cycle. DIY kits may even be cost-effective for rental properties where the finish only needs to last 3 to 5 years between tenants.

Second Reglazing

If you previously had the tub reglazed and the coating is now wearing out, you can reglaze again. The old coating is stripped down to the original substrate and the full process starts over. Cost is the same as the original job, or slightly higher ($50 to $100 more) due to the extra stripping work. There is no limit to how many times a structurally sound tub can be reglazed.