Zapp-Zimmermann Fire protection brick ZZ 220-120-V, S90, vacuumed

The ZZ fire block BDS-N is a soft, flexible foam molding used in several systems. Seal narrow residual openings with the ZZ vacuum brick. After opening the film, the ZZ vacuum brick expands to the standard size. The film may remain in the bulkhead after expansion. For additional protection against moisture, the ZZ molded parts can be coated on
site with commercially available silicone or, alternatively, purchased as already silicone-coated components.

Particularly suitable for: Medium and large penetration seals with medium to high occupancy Mixed occupancies of cables, combustible and non-combustible pipes Pipes with rubber insulation, hydraulic lines and multilayer composite
pipes Penetration seals with frequently changing occupancies