• Frame must be installed on a flat, clean (free of dust and oil) and stable surface
  • Always place the cover inside the frame (locked) before applying the surrounding material
  • The unit needs to be surrounded by a strong stable material (concrete, asphalt, tiles…)
  • If the cover and frame must be water- and gas tight (under pressure), the NBR rubber seal must be installed and the locks closed.
  • If necessary, a thin layer of silicon may be applied to attach the seal to the cover. All locks should then be activated for the seal to be complete.
  • Example of placement of a Hermelock cover:

    Plaatsing van een Hermelock putdeksel

Hermelock nv, Rue Georges Stephenson 1, Parc Industriel de Seneffe C, 7180 Seneffe | Belgium            disclaimer | contact