ALFA COLLAR Firestop collar

ALFA_COLLAR  fire stop collar
  • Available diameters: 32mm-250mm
  • Fire resistance class: EI 120 – EI 240







ALFA COLLAR is used for fire-stop protection of penetrations of plastic pipes through the fire compartment divisions.

Collar consist of flexible cartridge made ​​of a material based on graphite, swellable temperatures above +140°C and outer housing made ​​of a band-shaped steel sheet 1,0 mm covered with thick anticorrosive red paint.


For single plastic pipes made ​​of: PVC, PVC-U, PP, PE, HDPE, ABS.


Steel casing of the collar is equipped with a special lock to clamp the ends of the collar and stabilize it on the pipe and mounting brackets that attach the collar to the partition.

The gaps between the hole in the wall or floor and the pipe wall should be filled with acrylic mastic ALFA INTU MASTIC.

Fit ALFA COLLAR around the pipe.

ALFA COLLAR instalacja 1 z 4

Secure the collar using the lock.

ALFA COLLAR instalacja 2 z 4

Use steel plugs to install the collar in a partition.

ALFA COLLAR instalacja 3 z 4

Fill the gaps with acrylic mastic ALFA INTU MASTIC.

ALFA COLLAR instalacja 4 z 4

Available diameters: 32mm, 40mm, 55mm, 63mm, 75mm, 82mm, 90mm, 110mm, 125mm, 140mm, 160mm, 200mm, 250mm


During preparation.


European Technical Approval ETA-15/0626