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Fenrefo AG

Stil-Fenster-Renovationen, Schreinerei & Innenausbau

Renovations in Basel

Quadra Ligna AG acquired Fenrefo AG in 2018 and continues its long-standing experience in window renovation at the Basel location. The company specializes in the preservation and energetic upgrading of historically valuable building fabric, particularly windows, doors, and stairs. By using innovative technologies, such as a proprietary robot for milling work and special vacuum glass, Quadra Ligna combines traditional craftsmanship with modern efficiency. The goal is to preserve the character of buildings while meeting today's standards for thermal and acoustic insulation.

Opening times

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Opening times

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Opening times

Unfortunately, there are no opening hours for this business.

Opening times

Unfortunately, there are no opening hours for this business.

Address:

Telephone:
061 683 30 35*

Fax:
061 683 30 39*

E-Mail:
info@fenrefo.ch

Website:
https://www.quadraligna.ch

Key features:

Preservation of the original building substance with simultaneous energetic modernization.
Successor company to the renowned Fenrefo AG with decades of expertise.

Frequently asked questions about Fenrefo AG

In renovation, the original frame is preserved and energetically upgraded (e.g., through new seals and insulating glass), whereas in replacement, the entire window is exchanged.

Yes, we often use vacuum glass, which is very thin yet offers excellent insulation values, ideal for historical window frames.

Yes, in addition to windows, we also specialize in the reinforcement and renovation of historical doors and stairs.

Yes, our methods are designed to meet the requirements of heritage conservation and preserve the historical substance.

Our headquarters are in Basel, but we also operate supra-regionally, especially for specialized renovation projects.

Categories: Renovations

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