Roof fastening or flashing for fitting a daylight lighting tube includes flashing fitted on a roof with an opening, a collar around it for inserting tubes and a transparent cover sealed against humidity and dirt.

摘要

Flashing (7) fitted on a roof has an opening (3), a collar (6) around it for inserting tubes and a transparent cover sealed against dampness and dirt. The opening has an elliptical cross section. The upper side of the collar is higher than the lower. A piece of fabric (9) that is impervious to dust but lets light through is fastened between the flashing and a daylight lighting tube.