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Sealfire W800 sealing compound

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Sealfire W800 sealing compound

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Sealfire W800 sealing compound is a single-component, silicate-based resin that hardens in air. It is suitable for the sealing and adhesion of joints in structures where especially high heat resistance is required.



For the sealing and seaming of chimneys and fireplace latches, oil burners and oil-fired boilers.


Adhesion and attachment of metal and stone materials in structures exposed to high temperatures.


Seaming and sealing in non-residential structures.



Storage temperature between 5ºC and 30ºC.


Protect from freezing.


The product has been classified as non-hazardous.



{9}Operating temperature: -20°C to +1100°C {10}
{11}Quickly forms a dust-free surface (in approx. 5 min).{12}


The dried filler is hard and rigid.


The filler does not adhere to plastic materials and is not suitable for elastic joints.


Asbestos-free, does not contain fibres.