The ROKU® System AWM II consists of a solid metal sleeve which is equipped with several layers of the high performance intumescent material „ROKU® Strip“. In the event of a fire, the intumescent material expands with high pressure and thus seals the opening hermetically against flames and smoke. For wall installations one pipe collar on each side of the wall and for floor installations one collar on the underside of the floor must be provided.

Field of application

  • Sealing of plastic pipes up to max. 400 mm outside diameter in solid walls, drywall partitions and solid ceilings
  • Up to Ø 160 mm the assembly in the ROKU® System MFS Combined Penetration Seal is possible
  • Suitable for insulated and uninsulated plastic pipes and sound-isolated wastewater pipes
  • Application in shaft walls ≥ 2 x 20 mm is possible

Applicability certificate


Product Features

  • Very low installation height of the collar
  • Suitable for the application in wet and humid areas
  • Tabs may be bedded in mortar
  • Collars may be bedded in mortar
  • Easy and excellent usability
  • Zero distance in ROKU® System, application in ROKU® System MFS and ROKU® System FPCM is possible


Please refer to our assembly instructions.

Fire rating of systems
Up to 4 hours

Ordering information
Various diameters from 32 mm up to 400 mm

Protect from heat and direct sunlight.

Safety Instruction
Please refer to our MSDS (safety data sheet).

Technical data

Max. Outside diameter 400 mm
Suitable subsoils
  • Solid walls ≥ 100 mm
  • Penetration seals ≥ 2 x 50 mm
  • Drywall partitions ≥ 100 mm
  • Shaft walls ≥ 2 x 20 mm
  • Solid floors ≥ 150 mm
Suitable pipes
  • Georg Fischer COOL-FIT
  • PE-HD
  • PP
  • PVC