COMMERCIAL · WAREHOUSES & INDUSTRIAL

Trench Drains for Warehouses & Industrial Facilities

Warehouse and industrial trench drains move wash-down water and runoff through large working floors without letting it spread into traffic aisles or door thresholds. We build them for forklift traffic, real flow volume, and the way the facility actually operates.

Heavy-duty trench drain across a warehouse floor
  • Since 1991 (35+ yrs)
  • Master Plumber Licensed
  • HomeStars Top Rated
  • Serving the GTA from Richmond Hill
The problem

Why warehouses and industrial facilities need trench drains

Large industrial floors make small drainage mistakes expensive. One low line across a warehouse can affect forklifts, product movement, cleanup time, and slab durability all at once.

  • Wet forklift and traffic aisles

    Water in active aisles gets tracked through the building and across finished surfaces, which makes cleanup harder and movement less predictable.

  • Standing wash-down or process water

    Large floor areas can hold more water than a few point drains can realistically clear. The same low bands stay wet after every cleaning cycle.

  • Slab edge and joint breakdown

    Repeated water exposure at the same line starts weakening joints, patch edges, and high-traffic concrete around existing drains.

  • Slow cleanup and unsafe footing

    If crews have to chase water with brooms, squeegees, or temporary berms, the floor is not draining the way it should.

What we install

Built for warehouses & industrial specifically

Industrial drain systems are sized for floor area, discharge volume, and traffic. The channel spacing, depth, and load class all depend on how the facility is actually used.

  • LOADClass D / E / F depending on traffic and equipment
  • WIDTH150 - 300 mm
  • MATERIALPolymer concrete, precast concrete, or other heavy-duty industrial channel system
  • GRATEDuctile iron or heavy steel industrial grate

On warehouse and industrial jobs, the drain body is only part of the work. Surrounding slab support, forklift traffic, and outlet capacity all decide whether the install holds up.

GRATE CHANNEL OUTLET →
Placement

Where the drain goes in warehouse and industrial space

We usually place these drains across overhead doors, along long wash-down aisles, or in process zones where water keeps collecting over wide floor areas.

In large facilities, the drain often belongs where the floor keeps producing the same wet band - not where it is easiest to cut. That might be across an overhead opening, down the center of a wash aisle, or at the edge of a process area that needs to clear fast.

We also review traffic before layout. Forklifts, pallet jacks, carts, and heavier equipment all change what frame, grate, and patch detail the floor needs around the drain.

Heavy-duty trench drain installed across a warehouse floor
Common discharge paths
  • Existing building drainage route
  • Sump pit or collection system where applicable
  • Process or facility drainage path confirmed before installation
Install Sequence

What an industrial trench drain install looks like

Industrial drain work is usually phased by bay, aisle, or process area so the facility can keep moving. We build the sequence around operations, not the other way around.

  • Typical site time1-4 days
  • Facility accessPhased
  • Traffic back on24-72 hr cure
  1. 01

    Map the wet zone and traffic

    We confirm where water is being generated, how the floor is sloped, and what traffic the finished drain has to survive.

  2. 02

    Open the slab in working sections

    The trench is cut and excavated in phases so the facility can keep operating around the work where possible.

  3. 03

    Install industrial-grade channel bodies

    We set the drain for both slope and structural support because industrial traffic punishes weak frames and weak patches quickly.

  4. 04

    Tie into the confirmed drainage route

    The outlet is connected to the facility system that is meant to receive that water, then tested before the slab is restored.

  5. 05

    Restore the floor for service

    Concrete around the drain is rebuilt so forklifts, carts, and maintenance traffic can cross the line reliably.

Facility Planning

Industrial drainage: discharge routes and approvals

Industrial drain work is closely tied to facility operations. The kind of water being handled, the existing drainage system, and the traffic loading all affect what the right installation looks like.

Confirm the discharge

Different facilities, different routes

Wash-down water, surface runoff, and process-area drainage are not automatically handled the same way. We review the actual discharge path before tying the channel in.

Often coordinated

Operations and access planning

Many industrial installs need phasing around production, shipping, or maintenance windows. The installation plan has to fit the facility schedule.

Do not underspec it

Traffic beats weak drains fast

If the grate, frame, or surrounding patch is not built for the equipment using the floor, the drain will start moving long before the concrete should.

Typical cost

Fixed quote after site visit

Industrial drain pricing depends on traffic loads, floor area, phasing, and what system the new run has to tie into.

What changes the price

  • Drain length, depth, and load class
  • Forklift, cart, or heavy equipment traffic
  • Concrete thickness and reinforcement conditions
  • Tie-in route and outlet capacity
  • Phasing around shipping, production, or shutdown windows

Get a fixed-price quote after a free site visit — not a range.

FAQ

Common questions about warehouses & industrial

When does a long channel beat scattered floor drains on warehouse floors?

Because large floor areas do not always pitch well to a few single points. A trench drain collects water across a full line, which makes it far more effective in long aisles, door lines, and wash-down zones.

Can trench drains hold up to forklifts?

Yes, if they are specified for the traffic. Forklift loads, turning patterns, and wheel type all affect the load class and the surrounding concrete design.

How do you phase the work to keep the facility running?

Usually, yes. Most warehouse and industrial work is phased by area so the facility can keep moving around the cut zone.

What discharge route do industrial drains tie into?

That depends on what kind of water the area is generating and what drainage system the facility already has in place. We confirm that route before installation.

What kills a warehouse drain before its time?

Weak spec, wrong location, or a poor patch around the frame. On industrial floors, the traffic and structural side of the install matter just as much as the drainage side.

When are forklifts back on the line after the patch goes in?

That depends on the restoration and loading, but full service traffic typically waits until the patch has cured properly. We plan the work around that reality from the start.

Licensed & insured · Serving the GTA since 1991

Installed by TroughDrain.ca, a division of MT Drains & Plumbing Ltd.

  • Master Plumber Licence #T95-5349719
  • Plumbing Contractor #T94-5214638
  • Building Renovator #T85-4544391

Need a trench drain spec'd or installed?

Free site visit across the GTA. We'll tell you what you actually need — no upsell.

Call (647) 558-4885