SCHOTT RESTOVER® - restoration glass for the early 1900s

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At a Glance

Historical in form, innovative in function

SCHOTT RESTOVER®
resembles the window glass manufactured at the turn of the century. Its minimal thickness makes it easy to install in historical window frames and fittings. While the surface of RESTOVER® light glass is slightly less irregular, RESTOVER® plus glass has a much more irregular surface structure and resembles mouth-blown glass.
SCHOTT RESTOVER® used at Bauhaus Universiy in Weimar, Germany
Bauhaus University in Weimar, Brendelsches Atelier
Summary:
  • RESTOVER® for buildings from the 19th century
  • 2 additional variations available:
    • RESTOVER® light - less irregular surface
    • RESTOVER® plus - resembles mouth-blown glass
  • also available with enhanced UV protection
  • a wide variety of processing options (e.g. as laminated glass, with coatings or as insulating glass units)

Watch our videos: SCHOTT Glass for Restoration

Benefits

SCHOTT RESTOVER® is unique due to ...
...Design ...
  • historical appearance and replication of the original glazing materials
  • irregular surface structure for windows of buildings from the 1900s

... Quality ...
  • 2 additional variations
    • RESTOVER® light - less irregular surface
    • RESTOVER® plus - resembles mouth-bllown glass
  • no harsh reflections (like float glass) that disturb the aesthetic impressions made by historic windows
  • historical Fourcault process to produce colorless, drawn glass
... Processing ...
  • easy installation: because of its minimal thickness it can be used with historic window frames
  • variety of processing options as laminated glass, tempered glass or as insulated glass units
  • innovativeness in function suits contemporary needs for thermal, solar, UV and noise control
  • security in every possible way, e.g. theft protection and overhead mounting

Area of Applications

  • for windows of buildings from the 19th century
  • winter gardens
  • balconies
  • infill of balustrades
  • processing: laminated glass and insulation glass
SCHOTT RESTOVER® used for German historical museum in Berlin
Berlin, Germany - German historical museum
Are you interested in examples of applications? Read more about our RESTOVER® references for restoration applications:

Technical Information

RESTOVER® is produced through the Fourcault process, the first fully mechanised process for the continual manufacture of sheet glass with its first industrial plants in 1914.

In this process, molten glass is drawn through the Fourcault nozzle that produces the distinctive appearance of machine-drawn glass with a certain thickness tolerance and wavy surface.
Production of SCHOTT restoration glass by machine up-draw process
Production of SCHOTT restoration glass by machine up-draw process
  1. preparation of batch
  2. fill-in of batch
  3. glass melting
  4. up-draw process
  5. cooling down
  6. edge cutting
Dimensions RESTOVER®
RESTOVER® Light
Max. dimensions 1,600 x 1,500 mm
Standard thickness 2.75 mm
Light transmission rate > 90%
RESTOVER®
Max. dimensions 1,600 x 1,500 mm
Standard thickness 2.75 mm
Light transmission rate > 90%
RESTOVER® plus
Max. dimensions 1,600 x 1,500 mm
Standard thickness 2.95 mm
Light transmission rate > 90%

Restoration glasses with ETA approval

Restoration glasses with ETA approval

ETA or abZ

  • As part of European harmonisation, the customary abZ (Germany’s national technical approval) is used only nationally when no European harmonised specifications are available.
  • The ETA (European Technical Assessment) replaces the abZ for member states of the European Union.
  • The point of contact for both certifications is the Deutsches Institut für Bautechnik (DIBt – German institute for construction technology). 

ETA

  • Glass produced according to SCHOTT’s special Fourcault drawn-glass process is not covered by the usual glass standards. Products using this process are therefore also not subject to automatic regulation.
  • ETA now confirms that SCHOTT Fourcault glass meets the requirements of the standards EN 12150-2, EN 14179-2, EN 14449 and EN 1279-5.
  • ETA therefore represents an independent, Europe-wide valid certificate of performance for SCHOTT Fourcault glass as both a base glass and a processed product (toughened safety glass, laminated safety glass, laminated glass and insulating glass units).
  • Extensive material testing at an accredited testing institute confirm the certified product properties.

Customer benefits

  • Customers can be assured that SCHOTT Fourcault glass can be processed into standard construction products (such as toughened safety glass, laminated safety glass, laminated glass and insulating glass units) in accordance with standards and can be designated as such.
  • No more time-consuming documentation and approval procedures.
  • Processing options can be clearly communicated to customers using familiar terminology.

Downloads

Contact

If you have a product inquiry, questions for service & support or other topics for SCHOTT RESTOVER®, please click the contact button. You will be forwarded to our contact form.
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