Why it matters at project scale
In a single home, a handle is a detail. In a 50-apartment development, hardware means hundreds of identical pieces that must be coherent, durable and available from stock. A wrong choice is multiplied hundreds of times — and so is the cost of fixing it.
The selection criteria
Uniform finish
The same finish on all doors, windows and accessories — visual coherence across the project.
Essential
Durability
Self-levelling mechanisms and through-bolt fixing — they withstand intensive use.
Heavy traffic
Availability
Stock for large quantities and delivery by site stages.
Logistics
Configuration by door type
Each door type in the project needs the right handle + rose:
| Door type | Recommended configuration |
|---|---|
| Interior room doors | Handle on a round/square rose, blank or PZ rose |
| Bathroom/WC doors | Handle + WC rose (thumb-turn) |
| Apartment entrance doors | Handle + PZ rose (cylinder) |
| Common areas/offices | The Sterk collection (robust, heavy traffic) |
We explain the PZ/BB/WC codes in the guide What PZ, BB and WC mean on roses.
The solution for projects
The Enger Aprile, Stile and Sterk collections cover any type of residential project, with matching finishes and availability for large quantities. As the official distributor, we offer project pricing and technical advice for the optimal configuration.
Hardware for your project
Request a project offer with large-quantity pricing and technical advice.