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Horizontal Roof Drain with Bitumen Membrane – Walkable
Horizontal Roof Drain with Bitumen Membrane – Walkable
Horizontal Roof Drain with Bitumen Membrane – Walkable is designed for gravity drainage of flat roofs, with a horizontal 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: Horizontal
- Available outlets: DN75/DN110
- Waterproofing connection: Bitumen Membrane
- Manufacturer: HL Hutterer & Lechner, Austria
- Walkable grate: Stainless steel, 137 × 137 mm; load class K3 (300 kg), where specified by HL
Models and official HL technical drawings
| Article code | Outlet | HL specification and drawing |
|---|---|---|
| HL64BH | DN75/DN110 | Official specs & drawing downloads | Technical drawing PDF |
Refer to the linked HL product pages for model-specific dimensions, rated flow capacities, and PDF technical drawings.
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