Housing firestop M0 HCM 60 EI 90

Preservative rod and cable protection type Freyssibar

Galvanized steel or prefabricated fire rated stainless steel

Protects prestressing elements in road, rail or mixed tunnels from fire

Reaction to fire of materials: non-combustible and non-flammable M0, tunnel requirement

Fire break 1h30min minimum (EI 90) and 1h minimum under an increased hydrocarbon fire (HCM 60)

Tested in official laboratory

Removable and repositionable

Made to measure

Tunnel requirement

Official laboratory test




The housing can be dismantled and repositioned on demand, without joints and without the intervention of a technician (guaranteed degree of fire).


Its dimensions vary according to the size of the anchorage to be protected and the geometry of the application of the site (custom manufacturing).

The housing contains an insulation complex based on fibers and fire gel, implemented in a fabric cover M0 (patented system COMPART).

Technical sheet

November 2019

Fire resistance PV

May 2019

BoxPART is a rigid housing made of galvanized steel or stainless steel (according to demand) prefabricated firestop.


It protects the cables, the prestressing elements, from fire when they have to maintain optimum performance even under the action of an increased hydrocarbon fire, and meets the requirement M0 in tunnel.


  • Time saving when laying: no cutting or adjustment to be made on site

  • Multi-element protection with a single housing, suitable for multiple, space-saving anchors

  • Manipulable by one person

  • Lighter and less fragile than a set made with silico-calcareous plates

  • Applicable in all rail and road tunnels


Boîtier coupe-feu BoxPART


Tunnel bridge

ORLY Bridge 2


BoxPART fire protection boxes installed


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SAS COMPART - Z.I. Synerpôle - Avenue du Moulinas - 30340 Salindres

Tel : +33 (0)4 66 540 540            SIRET : 45283292600045            APE : 3320B            N° TVA Intracommunautaire : FR16452832926 

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