trench drains

Professional Surface Drainage Solutions Since 1984

Commercial Trench Drains > ULMA F


Category: Commercial Trench Drains
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ULMA F Commercial Trench DrainsThe ULMA F Channel drains is a heavy duty drain. Channels for large loads and fastening using 4 bolts per grate, designed for heavy traffic areas. The difference of the S system, is that it offers the choice of built-in slopes. They are reinforced channels with a galvanized edge on the sides.

Channels with attachment of the grating to the channel with 4 screws per grating, designed for heavy traffic areas and especially for sections where the grating is subject to large axial forces due to the manoeuvring and braking of vehicles, such as service stations, loading and unloading areas in ports and warehouses, airports, public roads, car parks for heavy vehicles, etc.

The channels are reinforced with galvanized steel profiles at the sides. It is possible to incorporate a continuous 2.5% slope and or cascaded slope. Available with modular cast iron grating with a load class of up to F900

ULMA Linear Drainage Channel type F100K: External width 156mm; Internal width 100mm; Available with overall heights between 190mm and 310mm. Suitable for cascaded type slope to collect rainwater in 1 metre long units.

Safe locking system consists of eight bolts per LM; Integrated galvanized steel* edges for lateral protection.


The ULMA Architectural Solutions drainage system has been designed and tested under the strictest premises of EN1433 STANDARD, following the construction details set out in these installation instructions.

The design of the deck adjoining the concrete block/channel unit (concrete, asphalt or paving stone) must be endowed with the expansion and retraction joints required to prevent any tangential or perpendicular strain on the concrete block and channel unit. In line with the construction details of the deck, the sizing of said joints will be decided by the Project Management or designer.

Typical applications

  • Airports
  • Motorways
  • Ports
  • Port loading and unloading
  • Service stations
  • Industrial areas
  • Public roadways
  • Heavy vehicle parking areas

ULMA F Specs


  1. Heavy Duty Channel Drain
  2. Up to F900
  3. Galvanized steel profiles

Call 800-277-5015 to place your order for F!