Escape route

Human Health and Life Protection

One of the basic requirements of fire safety regulations is creating conditions for safe evacuation from burning buildings. An escape is defined as a "route enables safe evacuation from a building to an open space or to a safe area by the building".

Grena Recommended materials intended: Grenamat AL, Grenamat B, Grenamat C.

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There are 3 types of escape routes:

  • Unprotected
  • Partially protected
  • Protected


Unprotected Escape Route

Unprotected Escape Route is a permanent, freely accessible route within the assessed fire sector, where people can move toward the exit to an open space or to a protected or partially protected escape route in an unhindered way. Such unprotected escape routes can be separated by any structure from the other areas of the assessed fire sector.

Partially Protected Escape Route

Partially protected Escape Route is a permanent free route, where people can move toward the exit to an open in an unhindered way.

Protected Escape Route

  Protected Escape Route must have at least class III fire resistance for h<- 30 m and class IV for h<- 60 m. Types of protected escape routes
According to the time people can safety spend in this escape route, protected escape routes are classified as follows:
  • Type A protected escape routes
  • Type B protected escape routes
  • Type C protected escape routes

Protected escape routes must be equipped with emergency lighting, which must be functional for the following periods: type A 15 minutes, type B 30 minutes, and type C 45 minutes.

When planning escape routes,designers assume that no combustible materials are stored in corridors and stairwells (escape routes). If there was a fire in these areas, people escaping from the fire would be threatened by combustible products, lack of oxygen, heat and flame. Therefore, onlynon-combustible or hardly combustible materials or equipment can be installed in these areas.
Escape routes shall ensure safe evacuation of people who are threatened by fire as well as facilitate rapid and effective rescue by fire brigades. After a disaster it is too late to ask if everything was all right or if something could have been avoided.
At the same time, we cannot expect escape routes only to serve their purpose, i.e. evacuation of people, and not to be used as a part of interior.Therefore it is also necessary to choose suitable materials, which meet both the safety aspect (non-combustible materials), and the aesthetic aspect. Such materials are the product of the Grena company, non-combustible and fire resistant boards Grenamat, ehich can be used as interior Escape Route Paneling or for manufacturing furniture, inspection doors within escape spaces etc. These boards are non-combustible, according to reaction to fire class A1 (Grenamat AL)or class B (Grenamat B). Both board types can be delivered with various decorative finishes while meeting the technical requirements of fire protection.

Meeting Halls

Meeting Halls shall create favourable conditions for safe evacuation of people. Materials applied shall prevent formation of toxic gases. For such areas, especially materials with Reaction to Fire class A1, A2 or B-s1,d0 are intended, with flame spread index is=0 mm/min depending on further requirement. At the same time if is forbidden to use materials which drip or fall off in fire. These requirements are met when using Grenamat AL or B boards, including their finish. If interested, please ask for more information.

Methods of jointing and mounting

H Profiles
Z profile Wood profile
Bolted joints

Usage of screws
Screwing through the surface layer.
Tolerance for screw shank must be maintained.
For countersunk screws, use washers to avoid tear of the surface foil.

Special clips or profiles - walls, ceilings
Attachment to wooden structures
Attachment of boards on a wooden supporting frame with the option to insert insulation. Easy alignment of the supporting grid with special washers and alignment of panels along all axes.
Bonding of boards to adjustable metal supporting profiles
Grenamat boards can be attached to metal profiles by our special bonding process which has been fully tested. This way, an invisible attachment to the structure is ensured. 
Other options include attaching metal profiles by screws
Attachment of withstainless clips
Attachment with screws
Attachment with screws

Jointing of cladding panels made of Grenamat boards

Jointing boards - metal tongue and groove Jointing boards - Omega profile with PVC cover strips
Jointing boards - Omega profile with PVC cover strip and HPL tape
Joint Strengthening
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