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Wet Room Glass Design: Open-Concept Showers for Northern Colorado

A wet room is the top-tier primary-suite spec for a Northern Colorado remodel: an open-concept bathroom where the shower and the rest of the room share a single waterproofed floor, with glass holding the line on spray rather than walls and doors. Water drains through floor slope to a linear or center drain, and tempered glass partitions contain spray without sealing the space. This guide covers what Moffat fabricates for a wet room (splash panels, fixed panels, partial enclosures, and fully open layouts), where the line falls between our work and the waterproofing trade, and which builds suit a Northern Colorado luxury remodel best. Moffat has cut, tempered, and installed heavy glass for Northern Colorado bathrooms in our Northern Colorado shop since 1921.

Wet Room Defined: Open-Concept Bathroom Design

A wet room is a bathroom designed so the shower has no curb and no separate enclosure; water drains through floor slope (typically 1/4" per foot to a linear or center drain) across a fully waterproofed floor that runs continuous between the shower zone and the rest of the room. The entire bathroom floor reads as a single surface; glass partitions, splash panels, or open-air sight lines hold the line on spray rather than walls and doors.

Wet rooms are top-tier residential spec, chosen for primary suites, spa-style bathrooms, and architecturally restrained designs where the bath is meant to feel open, sculptural, and uninterrupted by enclosure framing. The look reads as European-luxury or contemporary-spa; the construction reads as serious waterproofing and serious glass fabrication.

Four design conditions need to be present for a wet room to work. First, the entire bathroom floor and the lower walls are waterproofed as a single continuous surface. Second, the floor is sloped to drain (1/4" per foot to the drain line, set in the substrate before tile). Third, the layout positions the shower zone so spray paths are contained by glass or by distance from the dry zone. Fourth, ventilation is sized to the open layout, with a powered exhaust fan rated to the code-required CFM.

The most-photographed wet-room configuration, and the most-spec'd primary-suite layout Moffat fabricates for, pairs the shower zone with a freestanding tub on the same waterproofed floor, with a single fixed glass splash panel containing spray between the two.

Glass Scope: What Moffat Fabricates for Wet Rooms

The wet-room glass scope falls into four distinct categories. Each one reads differently in the room, pairs with specific thickness spec, and is chosen at the design stage based on bathroom footprint, spray containment, and the architectural read the designer is after.

Splash Panel (Single Fixed Pane). A single fixed pane of tempered heavy glass mounted at the wet end of the shower zone or alongside a freestanding tub, containing spray without a door or return walls. The most architecturally restrained piece a wet room can carry: clean line of sight, no hardware in the spray path, no door swing. Standard spec is 3/8" tempered for panels under roughly 60" height; 1/2" tempered for taller panels where the top edge is unsupported. The most common Moffat wet-room glass scope. See Splash Panels for the dedicated product walk-through.

Fixed Glass Panel (Full-Height Partition). A floor-to-ceiling fixed glass panel separating the shower zone from the dry zone, with no door and no movable hardware. Reads as a glass wall, not a shower enclosure, and lets the bath read as one continuous architectural volume. Standard spec is 1/2" tempered as the typical default; 3/8" tempered works on shorter or well-supported configurations. Hardware comes from CRL (C.R. Laurence): base channel, header support, and heavy-glass clamps engineered for the panel load. See our frameless shower glass service page for the parent framework.

Partial Enclosure (Two- or Three-Panel Configuration). A multi-panel fixed-glass configuration that wraps the shower zone on two or three sides, still with no door; entry runs through the open side. Used when the bathroom layout puts the shower against an interior wall and the design needs glass on the adjacent sides to read the shower as a sculptural volume. Standard spec is 3/8" tempered for most heights; 1/2" tempered for panels over roughly 80" tall or wider spans.

Fully Open Layout (No Glass Beyond a Splash Guard). The most restrained wet-room build: no fixed glass beyond an optional short splash guard at the wet zone's edge. The full bathroom floor is the wet zone; shower, tub, and dry zone all share the same waterproofed surface. Works only on larger primary-bath footprints where spray paths are controlled by fixture placement and distance. Glass scope is sometimes zero, sometimes a single 3/8" splash guard at the tub edge.

For wet-room builds that integrate a sealed steam shower zone (the steam compartment requires a ceiling and a full glass plus transom enclosure), the steam zone is fabricated separately: see our Steam Shower Enclosures page for the steam-specific spec.

Every wet-room glass scope is templated on site against the actual bathroom layout, drain location, and waterproofing handoff, then locked at the on-site measure.

Waterproofing Coordination: Where Moffat's Scope Stops

On a Northern Colorado wet-room build, Moffat fabricates and installs the glass scope; the waterproofing membrane, floor slope, drain, and tile work are handled by the general contractor and the tile plus waterproofing trade. The two scopes meet at the on-site measure, where Moffat templates the glass against the finished waterproofed and tiled surface.

The GC and waterproofing trade own five line items:

  • Waterproofing membrane, the continuous waterproof layer across the bathroom floor and up the lower walls, built before tile
  • Floor slope, the 1/4" per foot drainage slope, set in the substrate
  • Drain selection and placement, linear or center drain chosen at design and set during the floor build-out
  • Tile selection and installation, slip-rated tile across the wet zone, installed by the tile trade
  • Ventilation, powered exhaust sized to the open layout, per code

Moffat owns five line items:

  • Glass scope (splash panel, fixed panel, partial enclosure, or fully open layout per the categories above)
  • Glass spec (3/8" or 1/2" tempered, edge finish, hardware partner pairing)
  • On-site measure templated to the room after the floor build-out is complete
  • In-shop fabrication and tempering in our Northern Colorado shop
  • Installation and final water test on install day

Glass templating is typically scheduled after waterproofing is signed off, after tile is set and grouted, and before the bathroom is signed off as substantially complete.

Northern Colorado Design Context for Wet Rooms

Wet rooms work best in primary baths with enough footprint to separate the shower zone from the dry zone by distance (typically 100+ square feet of bath area, though smaller layouts work if the spray paths are well-contained by glass), in remodels where the floor can be lowered or built up to set the drainage slope, and in builds where the design intent prioritizes open sight lines and architectural restraint over storage volume. The curbless layout also reads as a natural long-term accessibility benefit.

Moffat fabricates wet-room glass scope most often for custom-home primary suites and full-gut remodels: the projects where the design team has the latitude to build the floor from scratch, set the waterproofing properly, and spec the glass scope to the room as a whole rather than to a stock enclosure. Designer-driven and architect-driven projects, not bath-pull-and-replace work.

Northern Colorado's hard water leaves mineral deposits on shower glass regardless of design; wet room glass is no exception. Squeegee after every use and clean weekly with a non-abrasive glass cleaner to keep the spec reading the way the design intended.

The most common Moffat-fabricated wet-room layouts are the splash panel between a walk-in shower and a freestanding tub (the most-photographed primary-suite configuration), the full-height fixed glass partition separating the shower zone from a dry zone, and the partial enclosure wrapping a shower against an interior wall. Wet room glass spec is locked at the on-site measure once the bathroom design, drain placement, and waterproofing approach are confirmed; the right glass scope depends on the room as built.

Frequently Asked Questions

What exactly is a wet room, and how is it different from a standard walk-in shower?

A wet room is an open-concept bathroom with no shower curb and no separate enclosure; the entire floor is waterproofed and sloped to drain. A standard walk-in shower still has a curb and a separate waterproofed pan, so the wet zone stops at the curb line. A wet room makes the whole bathroom floor the wet zone, with tempered glass partitions or splash panels containing spray instead of doors. Chosen for primary-suite spa baths and architecturally restrained luxury remodels. Schedule an on-site measure to scope the glass.

What kind of glass is used in a wet room?

Tempered heavy glass in four scope categories: splash panel, fixed full-height partition, partial enclosure, or fully open layout with an optional splash guard. Standard spec is 3/8" tempered, stepped up to 1/2" tempered on taller or unsupported panels. Moffat fabricates and tempers the glass in our shop, spec'd at the on-site measure.

Do wet rooms need a shower door?

No. A wet room is designed so the shower has no door; glass partitions, splash panels, or open sight lines contain spray instead. The entire bathroom floor is waterproofed and sloped to drain, so the doorless open layout is the design premise, not a compromise. Moffat scopes the wet-room glass doorless by definition.

Who handles the waterproofing, Moffat or my general contractor?

The waterproofing membrane, floor slope, drain, and tile are handled by the general contractor and the tile plus waterproofing trade; Moffat fabricates and installs the glass scope. The two scopes meet at the on-site measure, after waterproofing and tile are complete. Call Moffat to schedule the glass measure once the floor is signed off.

Is a wet room a good fit for a Northern Colorado primary bathroom remodel?

Wet rooms suit primary-suite remodels and custom-home builds where the design intent is open-concept, the footprint allows the shower and dry zones to be separated by distance or glass, and waterproofing is part of the build from the start. Designer-driven and architect-driven projects, not pull-and-replace work. Schedule an on-site measure to discuss the glass scope.

Plan Your Wet Room Glass with Moffat

A wet room is the most architecturally restrained primary-bath layout a Northern Colorado remodel can carry, and the glass scope shapes how the design actually reads in the room. Moffat fabricates and tempers splash panels, fixed glass partitions, and partial wet-room enclosures in our Northern Colorado shop, sized to the actual bathroom layout, not pulled from a catalog, and templated against the finished waterproofed surface at the on-site measure. Over a century of Northern Colorado glass craftsmanship, three locations serving Larimer and Weld County (Evans, Loveland, and Fort Collins), and in-shop fabrication on every heavy-glass project. Request a quote with your design, or give us a call to schedule an on-site measure with your GC.

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