Puujulkisivujen paloturvallisuus

Translated title of the contribution: Fire safety of wooden facades

Jukka Hietaniemi, Timo Korhonen

    Research output: Contribution to conferenceConference articleProfessional


    Results of a fire risk analysis are presented on the impact on fire safety of installation of a wooden façade to a suburb residential multistory building belonging to the fire class P1 defined in the National Building Code of Finland, which in practice means a concrete-framed building. The risk analysis and the associated fire simulations are made using state-of-the-art techniques in the fire safety sciences and technology. The results of the study reveal that with respect to the overall fire safety of the concrete-framed residential multistory buildings, the role of the combustible wood as the façade material is insignificant: as is inevitable, the calculations bring out a small increment in the probabilities of fire spread from the room-of-fire-origin to the apartments above, but this increment is small as compared to the influence of several other factors which are not regulated by the Fire Regulations. In particular, the relatively small amount of wood on the façade that is likely to contribute to the external flaming would cause a much higher risk if it was installed as a lining inside the apartment-of-fire-origin. It is shown that the results obtained for the selected example building can be generalized to other buildings with reasonably similar characteristics.
    Translated title of the contributionFire safety of wooden facades
    Original languageFinnish
    Number of pages33
    Publication statusPublished - 2006
    MoE publication typeNot Eligible
    EventRakentamisen ohjauksen neuvottelupäivä - puurakentamisen teknistä tietoa viranomaisille: Kajaani 10.1.2006, Oulu 11.1.2006, Rovaniemi 17.1.2006 ja Jyväskylä 23.1.2006 - , Finland
    Duration: 10 Jan 200621 Jan 2006


    ConferenceRakentamisen ohjauksen neuvottelupäivä - puurakentamisen teknistä tietoa viranomaisille


    • fire risk analysis
    • wooden façade
    • fire spread
    • external flaming
    • residential buildings
    • time-dependent event tree
    • probabilistic fire simulation


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