Vatral® Defence A1

Fire protection mortar

For filling cavities, cracks and for sealing residual gaps

  • Simple processing: to be processed by hand. Even under the ceiling without cladding
  • Low thermal conductivity: (λ10,dry,mat) = 0.052 W/mK
  • Ready to use: Can be used immediately without mixing

Product information

areas of application

Closure of wall and ceiling penetrations

Residual gap closure according to MLAR

Repairs in high-temperature systems


Mix the mortar briefly before use until a creamy consistency is achieved. Processing can be carried out with spatulas. The substrate must be dry and free of dust and grease. The room temperature must not be below 5 °C during processing.

technical data

  • Non-combustible (Euroclass A1 according to DIN EN 13501-1)
  • Melting point ≥ 1000 °C
  • Dry bulk density approx. 180 kg/m³
  • Chloride content ≤ 0.01 %


Wear suitable protective gloves and safety goggles. The information in the safety data sheet must be observed. Irritant effect in contact with eyes and skin. In case of contact with eyes or skin, rinse thoroughly with water.

Vatral® Defence A1 must be stored and transported in a dry, cool and closed place. Close opened containers tightly. Containers that have not been opened can be stored for at least three months. Shelf life 24 months. The storage temperature must not fall below 5 °C.

Packaging and container sizes

Tubular bag 500ml

Bucket: 1L, 2.5L, 5L


Product brochure

in German


Safety data sheet

in German


Techn. Data sheet

in German


Classification report