THE reference in passive fire protection — Manufacturer for 40+ years

Fire-rated duct manufacturer
and passive fire protection

EXTHA designs, manufactures and sells fire-rated staff ducts, ventilation and smoke extraction conduits EI 120, EXTHAMAT® boards and accessories. 40 years of expertise. Delivery across Europe. Quote within 24h.

Discover our systems Download technical datasheets

Fire-rated ducts

Discover

EXTHAMAT® boards

Discover

Fire protection coating

40+

Years of expertise

THE reference in passive fire protection since 1984

Gas in our process

Air-dried boards — unique eco-responsible approach

24h

Quote

Guaranteed response, delivery across Europe

EI 120

Max fire resistance

Products certified EN 1366, EN 13501

About us

EXTHA, passive fire protection
manufacturer since 1984

EXTHA designs and manufactures its fire protection products since 1984. Fire-rated staff ducts, EXTHAMAT® boards, channels, shells, fire dampers — all our products are manufactured in France, tested and certified to European standards EN 1366 and EN 13501.

Our unique air-drying process, without gas, is unmatched in the market. It ensures superior quality boards while reducing the carbon footprint of our products.

Learn more about EXTHA