ZZ mastic

A tube of fire protection mastic for regular applicatorsZZ mastic (ZZ 333)

A quick way to seal service penetrations consisting of small cables in light frame walls and walls made of rock materials.

  • You do not have to put a casing on the penetration hole even when dealing with light frame walls
  • Compatible with ZZ firestop bricks and plugs, etc.
  • Can be used to seal Sewatek service penetrations (no fire classification required
  • Spreading the mastic can be done with a regular mechanical applicator (so-called silicone gun)

 The tube contains 310 ml of the mastic that does not expand during installation

 Apply a layer of at least 15 mm on both sides of the structure

Technical information

Apply a layer of at least 15 mm on both sides of the structure

Maximum size of the hole

  • 100 x 100 mm = 0.01 m²

Cables that are fed through

  • cables ≤ Ø 21 mm

Fire class: EI 90 – EI 120 

ETA-13/0093

Degree of filling for pipes / cables of the surface area of the hole max. 60%