Restauro® uv protection class / uv resistant glass

The worldwide unique window glass protecting against ultraviolet radiation with a filter effect directly integrated into the glass structure. Without any coating or externaly applied foils it protects precious objects and room setups reliably in the spectral range until 380nm.

The worldwide unique window glass protecting against ultraviolet radiation with a filter effect directly integrated into the glass structure. Without any coating or externaly applied foils it protects precious objects and room setups reliably in the spectral range until 380nm.

Perfect monument preservation
Glass variety

As the worldwide unique UV-protective window glass the filter effect is induced by the glass components itself and therefore it manages without any externally applied or laminated UV-protection foils or coatings. In this way it is possible to install restauro®UV in narrow rabbets of historical windows as a single glass panel with a thickness of 2-3 mm. In common with every other glass from Lamberts restauro®UV can also be processed to stained glass.

The protection-glass restauro®UV as an all-anorganic material is enduring and ensures an interminable protection. With it’s typical slight distortions this glass fits visually perfect in the structure of historical buildings and redounds at the same time in an aesthetical way effectively to the preservation and preventive conservation of precious artistic and cultural assets. The mouthblown special glass restauro®UV protects however effectively against UV-radiation until 380nm.

Production

The patented process for manufacturing hand-blown UV protective glass combines knowledge of the melt, components and craftsmanship. In the Lamberts glassworks, one of the last production facilities in the world, hand-blown glass is still produced using the centuries-old craftsmanship that has hardly changed to this day.

Glassmakers form the viscous glass mass into an elongated glass balloon by turning and blowing on the glassmaker's pipe. Cut open on both sides, the result is a glass cylinder which, when cooled, is cut open lengthways and, after being heated again, is opened and stretched into a flat sheet of glass.

Fields of application

Historically precious objects and room setups exposed to daylight get inevitably affected by the damaging impact of ultraviolet radiation. Irreversible material transformations occur as a result. UV-rays fade sensitive colour pigments and destroy the structure of binders and lacquer layers. The entry of radiation into rooms occur particularly through window openings. Ordinary glass can not provide any protection.

The hand-blown special glasses restauro®UV and restauro®IR from LambertsGlas®, on the other hand, have a UV or IR protection filter built directly into the glass structure and make an effective aesthetic contribution to the preservation and preventive conservation of valuable art and cultural assets.

Sample projects

Church St. Marien | Wittenberg

    Church St. Marien, Wittenberg; Domain of Martin Luther and mother church of the reformation; restauro®UV as small-sectioned stained glass protecting the 1547 inaugurated altar with paintings of Lucas Cranach the Elder; installation 2014

    York Minster | York / Great Britain

      Brentanióhaus | Oestrich-Winkel

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        Tender text for architects

        Information on the term "Goetheglas"

        Important note: "Restoration glass" and "restauro®" are protected by us.
        The term "Goetheglas" is not protected - so pay attention to the addition "mouth-blown" (!) if you value the authentic character of handcrafted glasses! Real Goethe glasses are handmade and mouth-blown. "Goethe glass is an old hand-blown window glass (so-called cylinder glass / cylinder stretch glass). It can show winds and individual bubbles. Used for the restoration of historical glazing. The name comes from the old window glazing of the Goethe House in Frankfurt."
        (Source: Hofmann Verlag, Alfons W. Fröhler)

        Historical window glass and monument protection

        The preservation of historically valuable buildings is very important today. The window and its effect have a significant influence on the appearance of a building facade. From the point of view of monument preservation, the restoration with the window glass glass manufactured according to the original process is the only safe and correct way! On the other hand, historicizing replacement products from machine production often very clearly disfigure an old facade! The glass, manufactured according to the original mouth-blown process, blends inconspicuously and easily into the facade. Substitute products from industrial production, on the other hand, are annoyingly eye-catching due to the regularity of the movement! The repair and maintenance of historical window constructions requires high technical skills and knowledge.

        Just contact us, we will be happy to help you make the right choice!

        Quality
        definitely
        Quality
        definitely