Good ventilation at high temperatures
Rockwool stone wool is one of the safest materials when it comes to fire or extreme heat. It consists of app. 98% inorganic (stone) materials that cannot burn or give off smoke. Only 2% is organic material: a little oil to make the insulation water-repellent and reduce dust, and – to keep the stone fibres together – a phenolurea binder (also used in chipboard furniture and Bakelite door handles).
Like all organic compounds this material can give off smoke and decomposition products when heated. To cover the special circumstances where insulation is heated up to more than 90°C (i.e. industrial insulation around hot pipes e.g. in power plants), the Rockwool Group has published a material safety data sheet recommending good ventilation during the initial heating phase. For normal temperature use in buildings, no such extra protective measures are needed.
In power plants a.o. high temperature applications exceeding 90oC good ventilation is recommended during the initial heating phase. For normal temperature use in buildings, no extra protective measures are needed.
