ZZ block

Like laying regular bricks. Allows adding cable and pipe feed-throughs even after installation.ZZ block (ZZ 230)

ZZ firestop brick

Intended for structures made of stone materials and also for light frame walls with a separate casing

  • A quick way to fill even the larger holes
  • A combination firestop penetration that can be used with pipes, cables and cable trays
  • Enables adding cable and pipe feed-throughs easily even after installation
  • Easy to shape
  • Compatible with ZZ fire protection mastic and ZZ fire protection foam

Used like a brick, but with less masonry.

Technical information

Maximum size of the hole

  • 600 x 1000 mm ‑ 0.6 m²

Cables/pipes that are fed through

  • plastic pipes ø 50 mm
  • metal pipes ø 88.9 mm
  • cables ø 80 mm
  • cable bundles ø 100 mm

Dimensions of firestop bricks 

Dimensions: 200 x 144 x 60 mm 

Mass: approx. 480 g

Compatible with ZZ fire protection mastic and ZZ fire protection foam

Fire class: EI 60 – EI 120 

ETA-10/0431