Conservation & Heritage Issue 50 Winter 2025/Spring 2026 - Flipbook - Page 78
blown window glass that faithfully replicates historical
glazing in appearance, thickness, and optical movement.
durable, repairable, and can be used in ways that meet
even the highest modern standards for energy and climate
performance – making it an ideal material for future-proofing
historic buildings.
Depending on the requirements of the project, restauro® is
available in different versions:
•
A Living Material for Living Heritage
restauro® leicht (light) and restauro® stark (classic)
offer varied surface textures for smooth or strongly
animated glass.
•
restauro® Extra includes additional tool marks for
greater historical authenticity.
•
restauro® Waldglas features a natural greenish tint
typical of early window glass.
•
restauro® UV and restauro® IR incorporate built-in
protection against ultraviolet and infrared radiation –
crucial for safeguarding valuable interiors, artworks,
and furnishings.
•
restauro® ISO allows the creation of insulated glazing
units that preserve the character of mouth-blown glass
while meeting modern energy efficiency standards.
At a time when authenticity and cultural continuity are more
valued than ever, materials like LambertsGlas® offer more
than just technical solutions. They offer a story, a texture, a
soul. In conservation, the material is the message – and with
LambertsGlas®, that message is clear, luminous, and deeply
rooted in tradition.
For more information and technical resources, visit
https://lamberts.de/historical-preservation
These options make restauro® a comprehensive system for
both exterior restoration and interior protection – from
single-pane heritage windows to advanced multi-layered
glazing assemblies.
Internationally Proven – From Cathedrals to Castles
LambertsGlas® has been used in the restoration of some of
the world’s most iconic cultural sites. At York Minster (UK),
the famous Great East Window – the largest expanse of
medieval stained glass in England – is protected by a specially
designed restauro®UV outer glazing. In Reims Cathedral
(France), new windows by artist Imi Knoebel complement
the medieval fabric using mouth-blown LambertsGlas® in
over 27 colours. In Dresden’s Frauenkirche, the original
appearance of the baroque façade was restored using
restauro® stark with its expressive surface structure.
Further examples include:
Justizpalast Munich (Palace of justice) – insulated glazing
units using restauro® leicht 3mm
Eidsvoll Building (Norway) – restauro® stark in the room
where Norway’s constitution was signed
Brentanohaus (Germany) – UV protective glazing in historic
timber windows
Each project demonstrates how the material qualities of
LambertsGlas® contribute not only to the aesthetic and
historical accuracy, but also to the physical conservation of
cultural heritage.
Sustainability and Responsibility
Craftsmanship and environmental responsibility go hand
in hand at Glashütte Lamberts. The company operates a
certified energy management system (DIN EN ISO 50001),
uses regional raw materials, and is committed to sustainable
manufacturing practices. Mouth-blown glass is inherently
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