• Available as FLECK 4-in-1 flat roof vent DN 250
• Can be combined with:
  • FLECK 4-in-1 system pipes DN 150, DN 200 or DN 250 (for extension to flat roof plumbing vents)
  • FLECK Flat roof base element with integrated backflow seal DN 150 for system pipes DN 150 (for extensions without bonding)
  • FLECK Flat roof base elements DN 200 or DN 250 for system pipes DN 200 or DN 250 (for bonded extensions, e.g. with FLECK rigid PVC adhesive)
• Optional:
  • Thermal insulation for pipes DN 150, DN 200, DN 250
  • Backflow flap DN 150

1 vent – 5 applications:

• Release vent DN 250
• Renovation vent for defect vents up to DN 200
• Sanitary vent DN 150, DN 200 und DN 250

Flange or flange collar, optionally made of:

• Rigid PVC
• Bituminous membrane
• Plastic or elastomer sheet

Certified with the: