This is a Weathertight Service Hatch.

The Libra WTH Series is a robust but lightweight hatch type made of GRP material.

This particular hatch is Weathertight and is designed to withstand water pressure from the outside only.

The GRP construction gives the product natural thermal insulation.

See overview of our standard sizes available in the “Document section” below.


This hatch is not Type Approved certified by DNV-GL.
We are able to apply the classification societies for a case-by-case approval, however this have a cost impact.

For Type Approved certified hatches please see our WRH segment.

  • Moving parts made of high quality stainless steel
  • Adjustable moving parts
  • Adjustable frame brackets on request
  • Angle profile frame
  • Quick-acting or wheel-operated locking system
  • 100 mm corner radius
  • Size according to request
  • Standard surface treatment – painted RAL 9010
  • Special paint on request
  • Thermal insulation already in construction of door