Planning Door Hardware Positions During the Design Stage

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Door hardware placement should be fixed at the design stage, before production starts, so that handles, locks, hinges and closers land where the building and the door frame can accommodate them. Recording hardware positions on the door drawing with dimensions from the finished floor and the opening edge prevents costly changes later. Coordinating these details with the factory and the site early keeps the door correct on installation day.

Why hardware positions belong in the design phase

Hardware positions decide how a door opens, how it closes and how it feels to use every day. When handles, locks and closers are left undefined until installation, the factory has to guess or stop production to ask. Fixing positions early means the door is built with the right reinforcement, cut-outs and mounting points from the start.

For iron and aluminum doors, the frame and leaf are made to measure, so hardware locations are part of the fabrication drawing rather than an afterthought.

Information to define before the drawing is issued

Before issuing a door schedule, confirm the following for each opening:

Door swing direction and whether it opens into or out of the room
Handle and lock type, and the side it sits on
Hinge count and the intended door height and weight
Whether a closer, stopper or concealed hardware is required
Finished floor level, since the floor finish changes the measurement base

Measuring and recording positions

Dimension hardware from a fixed reference such as the finished floor line and the opening edge, not from the rough structural face. Plaster, tile and screed thicknesses can shift the actual position by several centimeters if they are not accounted for.

Where the door will be fitted into an existing opening, a site measurement is still needed close to production so the drawing matches what the wall actually is.

Drawings and written specification

A clear door drawing shows the elevation, the hardware symbols and their heights, and the handing of the door. Pair it with a short written specification listing each hardware item, its finish and its quantity, so nothing depends on memory or verbal instructions.

Ask the factory to confirm receipt of the drawing and to flag any position that conflicts with a frame, a service or a structural element before approval.

Client approval and production coordination

Once the architect or interior designer approves the drawing, production can begin. Any change after approval should be issued as a revised drawing, with the old version marked as superseded. This avoids confusion between the workshop and the site team.

Surface finishes such as hot-dip galvanizing or powder coating are applied after fabrication, so hardware cut-outs should be sized with the coating thickness in mind.

Installation and final checks

On site, check the door against the approved drawing before fixing it permanently. Confirm the swing, the handle height and the lock alignment, and test the closer and stopper if fitted. Small adjustments are easier to make at this stage than after the wall finishes are complete.

Record any deviation with photos so that future maintenance and the project file stay accurate.

Frequently asked questions

When should hardware positions be decided?

Ideally during the design stage, before the door schedule is issued to the factory. Late decisions usually mean delays or rework.

What reference should hardware dimensions use?

Use the finished floor level and the edge of the opening rather than the rough structural face. This accounts for finish layers that change the actual position.

Do I need a site measurement if I have drawings?

Yes, a site measurement close to production is recommended, especially for existing openings, because drawings may not match the built wall exactly.

How are changes handled after approval?

Issue a revised drawing, mark the previous version as superseded, and confirm the change with the factory and the site team in writing.

Common mistakes to avoid

Leaving hardware positions for the installer to decide and measuring from the rough wall instead of the finished floor are the most frequent causes of misaligned doors.

Our recommendation

Agree the hardware schedule and a finished-floor reference in one signed drawing before production, and send any later change as a new numbered revision.

Summary

Planning door hardware positions at the design stage, with clear references and a written schedule, keeps iron and aluminum doors accurate from workshop to wall.

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