Ottostumm W50 TB Steel Windows and Doors


W50TB by Ottostumm continues the steel window heritage, providing the same proportions and classic overlapping aesthetics of the original 20th Century hot rolled profiles, in cold rolled technology.

  • Category
    Steel Joinery
  • Brand
    Crittal Arnold
  • Warranty

The innovative high density polyurethane isolator used as a thermal barrier, together with double glazing units of up to 37mm thick, provides a solution for harsher weather environments.

Click here for our 'Ottostumm W50 TB' Insulating Profiles.

Crittall Arnold
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Ottostumm W50 TB Steel Windows and Doors

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Crittall Arnold specialises in the manufacture of bespoke steel framed windows and doors. The inherent strength of steel allows for the maximisation of glass pane size whilst maintaining the slimmest frame possible. Steel windows and doors are equally suited to classical and modern architectural styles. Crittall Arnold supplies steel windows and doors for architectural, security and fire-rated applications.

Crittall is synonymous with steel windows, one of the originators in the steel window industry. Our team at Crittall Arnold are the most experienced of any steel window company in New Zealand, and with experience comes knowledge. We have a combined total of over 120 years of experience.

Mission statement: consistently producing the best quality steel windows and doors in New Zealand.

Facts about our Company:

  • The company was incorporated in 2003.
  • Current full-time staff 20.
  • Locally manufactured product.
  • In-house abrasive blasting/zinc wire arc spray.
  • Powder-coated finish.
  • AutoCAD shop drawing service.