If you are building or renovating and are at the stage of laying flooring, don’t forget to properly finish and transition between different floor surfaces in each room, considering the door leaf.
Today, barrier-free transitions between rooms are commonly achieved with transition strips, especially when connecting two different flooring materials. These transition strips should be completely concealed under the door leaf when closed. To achieve this, the flooring transition must be positioned at the center of the door leaf.
Although transition strips are typically installed after the door frames and doors have been mounted, the flooring transition must be planned in advance. During the flooring installation phase, it is crucial to determine the type of door opening mechanism (swinging or sliding), the door construction (rebated or non-rebated), and the direction in which the door will open. These factors all influence the correct placement of flooring transitions.
Correctly positioned floor interruptions (dilations) for different door-opening styles are illustrated below.
Rebated Swing Doors |
 | The doors open into the room with the darker flooring. For rebated door construction, the center of the flooring transition (transition strip) should be extended 10 mm into the room where the doors open. This ensures that the transition strip remains hidden under the door leaf when closed. |
Non-Rebated Swing Doors |
 | The doors open into the room with the darker flooring. For non-rebated doors, the center of the flooring transition (transition strip) must be extended 4 mm into the door opening. This ensures that the transition strip remains concealed under the door leaf when closed. |
Sliding Doors on the Wall (with Stopper Rail) |
 | The diagram applies when the structural opening is 10 cm wider than the door width for standard glass or solid doors. The sliding system is located in the room with the darker flooring. In this case, a stopper rail (SGR4) is used. The center of the flooring transition must be positioned 45 mm into the room where the sliding system is mounted. The transition strip remains hidden under the door leaf when closed. |
Sliding Doors on the Wall (without Stopper Rail) |
 | The diagram applies when the structural opening is 10 cm wider than the door width for standard glass or solid doors. The sliding system is in the room with the darker flooring. Without a stopper rail, the center of the flooring transition must be positioned 45 mm into the room where the sliding system is mounted. On both sides of the structural opening, the flooring continues in line with the wall, extending 30 mm from the edge of the opening. |
Pocket Sliding Doors |
 | For pocket sliding door systems, the key factor is whether the pocket frame is symmetrically positioned within the opening. The floor transition must always be aligned directly beneath the track, ensuring a seamless integration of the flooring and door movement. |
