Tempered glass is specified far beyond bathrooms: interior partitions, fixed panels, office fronts, shelving and furniture. The manufacturing constraints do not change - it is still cut, drilled and polished before tempering - but the supporting requirements do, because a door in a room has different fixing, hardware and clearance demands from a shower panel.
Where Tempered Glass Is Expected by Practice
Tempered glazing is expected wherever people can come into contact with the glass: doors, sidelights, partitions near circulation routes, and any glazing in a location where a person could fall against it. The US federal safety standard that sets out the categories and impact requirements for architectural glazing materials is 16 CFR Part 1201.
Thickness follows the application rather than the room. Interior partitions commonly use 3/8 in. or 1/2 in. glass depending on span and fixing, while shelving and furniture use thinner stock. Stiffness, not impact resistance alone, drives the thickness decision on large fixed panels.
Interior Doors, Partitions and Fixed Panels
An interior glass door is hung from floor and head pivots, sliding hardware or hinges, and it moves within a frame or between two fixed panels. Fixed partitions are usually held in a channel at the head and base, with the load transferred into the structure. The common thread is that all of these details have to be planned before the glass is drilled.
Clearances matter more than in a shower, because a door in a room is used constantly and can strike furniture. Confirm the swing path against the room layout, and confirm the floor is level at the pivot or roller line, since a door that binds on an uneven floor cannot be adjusted without moving hardware.
Hardware and Fitting Requirements
Hardware is rated by panel weight and by glass thickness. Hinges, pivots, clamps and patch fittings exist in families sized for common thicknesses, and they cannot be adapted between them. Where a heavier panel is used, hinge count and floor pivot capacity both increase.
Fixing the hardware is a structural question: a glass door transfers load into the floor and the head, and both have to be able to take it. Blocking at the fixings and a substrate that does not move are the requirements, not preferences. Hardware durability ratings and test methods are described by the Builders Hardware Manufacturers Association and published by ASTM International.
What Drives the Price of a Bespoke Size
Four factors set the price of a bespoke tempered panel: the area and thickness of the panel, the number and complexity of cut-outs, the edge finish - a polished edge costs more than a ground edge - and whether the panel is part of a set that has to match. A single drilled hole for a handle is inexpensive; four cut-outs per panel across six panels is not.
Risk adds to the price as well. A panel that fails in the furnace or is made to the wrong size is a complete loss, which is why dimensions are confirmed on a drawing before production and why changes after order are impossible.
Tempered Glass Shelves, Screens and Table Tops
Tempered glass is used for shelves, screens and table tops where safety glazing is wanted, but the thickness and support requirements differ from a door: a shelf is supported continuously along two edges in most designs, while a table top is supported at points and needs enough thickness to resist local loading.
Edge treatment matters more in furniture: a polished or beveled edge is comfortable to touch and resists chipping, while an exposed ground edge picks up damage. For a bathroom, the same logic applies to a glass shelf in a shower - tempered, thick enough for the span, and supported at both ends rather than at the middle.
Frameless vs Framed Interior Glass
Frameless interior glazing relies on patch fittings, clamps or channels to hold the panel, which requires accurate openings and solid structure. Framed glazing uses a perimeter frame that absorbs tolerance, carries part of the load and allows thinner glass. The trade is the same as in a shower: frameless reads as an unbroken plane, framed is more forgiving on site.
Where acoustic performance matters, framed and sealed systems generally perform better than frameless patch fittings, because the frame and gaskets can be made continuous. That is a specification decision made before the panels are ordered, not after.
Ordering and Installing Bespoke Panels
The order needs five things: finished dimensions, glass thickness, edge finish, cut-out positions measured from a defined corner, and any coating or film requirement. Cut-out positions are usually given as centre distances from two edges, which removes ambiguity when the panel is drilled before tempering.
Installation is a two-person job for anything large, with suction cups and a padded staging area. Panels are handled upright, inspected on delivery under a light, and stored vertically. Glazing requirements come from the architectural glazing provisions of 16 CFR Part 1201, fabrication guidance is published by the National Glass Association, construction requirements come from the adopted code at iccsafe.org, and where a panel sits within a wet area the surrounding methods are published by the Tile Council of North America and catalogued on the Whole Building Design Guide.
FAQ
What is a tempered glass door?
It is a door made from glass that has been heat-treated so that it fails into small blunt fragments instead of large shards, and that resists impact far better than annealed glass of the same thickness. It is cut, drilled and edge-finished before tempering, so it cannot be modified afterwards.
What are the disadvantages of tempered glass?
It cannot be cut, drilled or ground after manufacture, and when it fails it releases completely rather than cracking in place. That means every dimension and cut-out has to be correct before production, and a damaged panel is replaced rather than repaired.
How expensive is tempered glass?
Price is driven by area, thickness, edge finish, the number of cut-outs and the quantity in a set. A simple panel with no cut-outs is the cheapest case; multiple drilled and polished panels add both material and risk, since a panel that breaks during tempering or is made to the wrong size cannot be salvaged.
Can a tempered glass panel be used as a shower door and an interior door?
The glass is the same material, but the hardware, clearances and support differ. A shower door is sized to a wet opening with seals and a base line; an interior door needs floor and head fixings, wear-rated hardware and a swing path checked against furniture. Both are ordered to final dimensions.
Send the finished dimensions, the hardware you plan to use and the edge finish you want, and we will confirm the panel specification and cut-out positions.
Compare glass types · Order custom tempered glass · Request a panel quote
