Cavity covering for light well on cellar windows, has covering having holed covering sheet, which passes downwards into bars and is provided with reinforcing bars, where reinforcing bar is arranged parallel to shorter side of covering sheet

摘要

The covering has a holed covering sheet (1), which passes downwards into the bars (10,11,12) and is provided with reinforcing bars at its lower side. The reinforcing bars extend below the covering sheet between bars which are opposite to each other. The covering sheet is rectangular and out-arranged, and the reinforcing bar (6) is arranged parallel to the shorter side of the covering sheet. An independent claim is also included for a method for manufacturing a covering sheet.