
Frameless Tub Shower Doors: What to Know Before You Upgrade a Tub-Shower Combo
Most of the frameless glass conversation centers on walk-in showers. But a lot of bathrooms here in Colorado Springs actually have tub-shower combos, and usually, that shower curtain is the only thing holding them back from a real upgrade. A frameless glass door changes the whole feel of the bathroom, and it works on a tub the same way it does on a walk-in shower, just with a few different considerations.
Can a Frameless Door Go on a Tub?
Yes, and it’s one of the more common upgrades homeowners ask about once they’ve seen frameless glass in a friend’s bathroom. A frameless door for a tub enclosure uses the same thick tempered glass and precision hardware as a walk-in shower door, hinged to swing over the tub instead of a shower curb. The tub itself becomes the water barrier at the base, so there’s no curb to build, which simplifies part of the installation compared to a walk-in.
What Makes Tub Door Installation Different From a Walk-In Shower
The biggest difference is where the hardware anchors. On a walk-in shower, hinges and clamps typically mount to tile or a fixed glass panel at multiple points around the enclosure. With tubs, the door is typically hinged directly to the wall, sometimes paired with a fixed glass panel. We’ll need to make sure your wall can safely support that hardware, which is exactly what we look for when we come out for your site measurements.
Tub width matters a lot more here than it does with a walk-in shower. Standard tubs run around 60 inches, and the door has to be sized to swing without hitting a toilet, vanity, or towel bar on the way. This is exactly where DIY or big-box measurements don’t work out as planned, and it’s the main reason we always do our own site measurements. At City Glass we want to make sure your new door fits your space perfectly.
Sizing and Clearance for Tub Enclosures
A single hinged door on a tub typically needs the same 28 to 36 inches of swing clearance as a walk-in shower door, in line with the clearance standards the National Kitchen and Bath Association recommends for bathroom fixtures generally. In smaller bathrooms where that clearance doesn’t exist, a fixed half-wall panel, rather than a swinging door, is often the better fit, since it needs no clearance at all. During our visit, we’ll look at both setups with you and help you figure out exactly what’s going to work best in your bathroom layout.
Glass thickness follows the same standard as walk-in showers, 3/8-inch tempered glass for most single-door tub enclosures, with 1/2-inch glass an option for wider openings or a heavier, more substantial feel.
What Affects the Cost of a Frameless Tub Door
We quote every tub door for the bathroom it’s going into, and hardware finish is one of the choices that moves the number. Chrome is usually the most budget-friendly, while brushed nickel, matte black, and oil-rubbed bronze cost a bit more depending on how many pieces your layout needs. Your choice between a full hinged door and a fixed half-wall panel plays a part too, along with glass thickness and whether you add a protective coating for hard water. Since a single tub door or panel typically uses less glass than a multi-panel walk-in enclosure, tub conversions often land on the simpler end of shower glass projects.
When we come out for your site measure, we’ll check your tub, walls, and clearance and put together a quote based on what you select.

Half-Wall Panel vs. Full Door: Which Fits Your Tub
If you’ve got the room for a door to swing, a full hinged door is a classic way to get that clean, open look. But if your bathroom’s on the tighter side, or you’re worried about the door bumping into a towel bar or vanity, a fixed half-wall panel is a lifesaver. It covers about a third to half of the tub opening and needs zero clearance. Either way, you’re covered when it comes to water protection, and with a protective coating, they both hold up well with the hard water we have here in Colorado Springs without issue.
Frequently Asked Questions
Thinking about upgrading a tub-shower combo? Request a free estimate and we’ll bring the options to your bathroom.


