Fire stop putty/filler


    Application Details

    FLAMRO BMS/BMK cannot be used at ambient temperatures below 5 °C.

    In areas of high infestation by microbes (outdoor application, composting plants, tropic areas etc.) FLAMRO BMS/BMK containing film preservatives should be used. In such cases please contact your supplier.

    Shelf-life: Sealed in original containers at room temperature at least 1 year

    Storage: 5 °C – 30 °C – to be protected against frost and direct sunlight

    Packing BMS:  plastic buckets with 0.5 kg, 1 kg, 5 kg, 12.5 kg and 25 kg net

    Packing BMK: cartridges with 0.4 kg und 1 kg net


    Spec. Weight

    1.55 +- 0.07 g/cm3

    Drying time

    Completely dry – depending on room temperature, air humidity and on coating thickness: 1 – 3 days

    Technical Data

    Odour Weak
    Binding agent

    Special dispersion – solventless

    Pigments / fillers

    Non-combustible and flame-retardant pigments and fillers

    pH-value Approx. 8

    Trowel grade (630-870 dPas at 20 °C – 22 °C, Haake Viscotester VT-02)


    66 % – 76 %

    Hazard Class Not hazardous according to Regulation (EC) No. 1272/2008
    Equipment cleaning

    Clean with water immediately after use


    Approx. 2.05 kg/m2 for a dry film thickness of 1 mm


    Surfaces must be stable, clean and free of grease and dust; steel and iron parts should be protected against corrosion in case of outdoor applications or in areas where condensed water may be developed

    Temperature resistance

    The dried through coatings withstand temperatures from –40 °C to +80 °C, there is neither chemical breakdown, discolouration nor a deterioration in its efficacy.

    Toxicity Not subject to marking according to Ordinance on Hazardous Substances
    Toxicity of the combustion gases Toxicologic harmless – analysis of the combustion gases according to DIN 4102 – A2, 08.09.1986, by RWTH Aachen and by Elektrophysik Aachen GmbH, 11.12.1997.
    Limited oxygen index (LOI) 58 % – 64 % , measured on approx. 1.5 mm thick films
    Application temperature Do not use at temperatures below 5°C
    Thinner Clean water, maximum 5 weight percent
    Moisture- sensitivity FLAMRO BMS/BMK coatings dried through are not susceptible to moisture and can also be used for outdoor applications.