Choose the hinge by its two ends: what the fixed end attaches to and what the moving end carries. A wall-mount hinge fixes to a wall or frame; a glass-to-glass hinge fixes to a fixed panel; a clamp or bracket is used where the door meets a frame rather than a flat fixing surface. The closing edge then confirms the choice, because it is the part of the door the hinge has to hold in position.
Buyers usually start with the hinge's appearance, and that is the reason the wrong type gets ordered. Two hinges can look almost identical and attach to completely different things, so the decision is made from the enclosure rather than from the fitting.
What Each Hinge Type Is Fixed To
A hinge has two jobs and therefore two ends. One end is anchored: to a wall, a frame, or a fixed panel. The other end carries the door and allows it to move. Reading the hinge this way turns an unfamiliar component into a simple question about the two surfaces it touches.
| Hinge type | Fixed end attaches to | Where it is used |
|---|---|---|
| Wall-mount | A wall, a frame or a structural surface | A door that hinges off the side of an alcove or a framed enclosure |
| Glass-to-glass | A fixed glass panel | A door that hinges off a panel, typical of a corner or walk-in arrangement |
| Clamp or bracket | A frame profile or an existing drilled pattern | Framed enclosures and doors supplied with a set mounting pattern |
| Pivot fitting | A base or head bracket rather than a side fixing | Doors that swing from the top and bottom edge instead of the side |
Two details belong to the fixed end and are worth confirming before anything is ordered. The first is what the fixing lands on: a wall-mount hinge is only as good as the wall behind it, and the shower door wall types guide covers how tile, drywall and fibreglass differ as a fixing base. The second is the glass thickness at the fixing point, because a hinge that clamps a thicker or thinner edge than it was made for will either not grip or will stress the glass.
The Closing Surface as the Deciding Factor
The closing edge decides which hinge type makes sense, because the door has to come to rest against something. Three closing situations cover most doors, and each points to a different hinge.
- The door closes against a wall or a frame. The hinge anchors to the wall or frame on the other side, and the closing edge meets a jamb seal or the frame itself.
- The door closes against a fixed panel. The hinge is a glass-to-glass fitting on the panel side, and the closing edges meet along the overlap with their own profile.
- The door closes against another door. This is the bypass arrangement, where the edges overlap and the hinge - if there is one - is usually a pivot or a top and bottom fitting rather than a side hinge.
A hinge is chosen by its two ends, not by its shape: what the fixed end attaches to and what the moving end has to carry. Keeping that sentence in mind shortens the decision, because it rules out any hinge whose fixed end cannot be anchored where the door actually needs support.
The closing surface also decides the handing. A door that hinges on the left and closes to the right is not the same product as its mirror image, and the hinge's own geometry changes with the handing. Where the enclosure is a corner with a panel, both are settled by where the panel sits rather than by preference.
Doors That Use Both Hinge Types
Enclosures frequently need more than one hinge type, and the reason is that the door's two ends are doing different jobs. A corner arrangement with a fixed panel usually carries a glass-to-glass hinge where the door meets the panel and a wall-mount fixing at the other side of the enclosure, because one end anchors to glass and the other to the wall.
A door that has to hold a wider or heavier leaf may use two hinges of the same type at the two ends of its hinge edge rather than one, which distributes the load along the edge instead of concentrating it. The same logic applies at the closing edge: a door closing against a frame may carry a bracket or a stop, while a door closing against a panel relies on the profile and the overlap.
Ordering both types together is the practical consequence. Where the enclosure uses a wall-mount hinge on one side and a glass-to-glass hinge on the other, both have to be specified for the same glass thickness and the same finish, or the door will read as two different doors.
Confirming the fixing surface
Three checks settle the choice before the order is placed, and each one is made at the door rather than at a catalogue.
- What the fixed end meets. A wall, a frame or a panel - and for a wall, what that wall is built from, because the fixing type follows from it.
- The glass at the fixing point. The thickness of the edge the hinge clamps, measured on the door rather than taken from the nominal size.
- The position the door closes into. Which surface it meets, whether the enclosure needs one hinge type or two, and which side the door is handed to.
A hinge cannot be ordered until both of its ends are known: what anchors it and what it carries. Where either end is still a guess, the guess becomes the return.
Hinge Type Decision Rule
Use the symptom to place the problem in one of four categories before ordering anything. The category decides whether the hinge is the right place to look at all.
| What you observe | Most likely category | What to check first |
|---|---|---|
| The door hangs correctly but will not stay at the angle you set | Adjustment issue | The adjustable screw or cam on the hinge in use |
| The door has never sat correctly since installation, and the gap is uneven from top to bottom | Mounting / base mismatch | Whether each plate landed on a solid fixing surface |
| The door closes against the wrong thing — a wall where a panel is expected, or the reverse | Hinge type mismatch | What the door actually closes against at each end |
| The hinge is correct and adjusted, but a replacement part will not seat | Replacement-fit issue | The fixing pattern and glass thickness at the fitting |
Work down the rows in order. Only the last row points at the part being wrong; the first three are corrected without replacing anything. Where the category is not clear from the table, the fixing surface and the closing surface are the two facts to establish before spending anything.