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Geostaff
Manufacturer of glass-reinforced gypsum fire-rated boards, ducts and shaft encasements.
Top companies · September 2026
Geostaff manufactures glass-reinforced gypsum passive fire protection products at its plant in the Oise — GEOFLAM and GEOTEC fire-rated boards, ventilation and smoke-extraction ducts, technical-shaft encasements, fire-rated access hatches and column and carbon-reinforcement protection. Products are CE-marked with Declarations of Performance and a European Technical Assessment for the GEOTEC S system, with fire performance established by testing at CSTB, Efectis, CTICM, Warringtonfire and Ginger CEBTP against EN 1366-1 and -8 and EN 13501-3 and -4. Ratings run from EI 60 to EI 180.
- Commercial offices
- Transport
- Mixed-use
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Mixed-use
Tour To-Lyon
Lyon
Smoke-extraction and ventilation ducts built with GEOTEC S45 boards
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Commercial offices
Tour Horizon
Boulogne-Billancourt
Smoke-extraction and ventilation ducts built with GEOTEC S45 boards
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Commercial offices
Tour Hekla La Défense
Puteaux
Smoke-extraction and ventilation ducts built with GEOFLAM F Light boards
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Commercial offices
L1VE – PARIS 16E
Paris
GEOTEC S45 boards for smoke-extraction ducts and fire protection
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Transport
Aéroport International Martinique Aimé Césaire
Le Lamentin, Martinique
Smoke-extraction and ventilation ducts built with GEOTEC S45 boards
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Commercial offices
THE BLUE DOOR
Marseille
Smoke-extraction and ventilation ducts built with GEOTEC S45 boards
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Projects as published on Geostaff's own website.
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Siège
Taverny, Île-de-France
More fire safety companies in Taverny →
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