Vertical Roof Drain with Bitumen Membrane – Walkable

Vertical Roof Drain with Bitumen Membrane – Walkable is designed for gravity drainage of flat roofs, with a vertical outlet and factory-attached bitumen membrane for connection to bituminous roof waterproofing. Features an insulated drain body. Walkable version with stainless steel grate and an adjustable square grate frame.

Technical specifications

• Drainage system: Gravity drainage
• Outlet orientation: Vertical
• Available outlets: DN110, DN125, DN160, DN75
• Waterproofing connection: Bitumen Membrane
• Walkable grate: Stainless steel, 137 × 137 mm; load class K3 (300 kg), where specified by HL

Models and official HL technical drawings

Refer to the linked HL product pages for model-specific dimensions, rated flow capacities, and PDF technical drawings.