Wall, ceiling or roof element connection

A wall, ceiling or roof element connection for connecting first and second bar-shaped, beam-shaped or plate-shaped wooden components, the wall, ceiling or roof element connection comprising:

• a pin located on the first wooden component configured to be connected to the second wooden component, the pin having a cross-section with an outer contour widening from an inner connection surface facing the first wooden component to an outer front surface facing the second wooden component, and a recess or groove located directly on the second wooden component, the recess or groove having an insertion section configured for inserting the pin and a holding section having a cross-section with an inner contour configured to match the outer contour of the pin for holding the pin, the holding section widening inwards from an end-face exterior surface of the second wooden component,
• wherein the pin is fastened to the first wooden component via a detachable screw or pin connection, and wherein on the inner connection surface of the pin facing the first wooden component, a protruding elevation is provided that is configured for positive engagement in a corresponding depression on the first wooden component.