StormDrain Plus - Your Complete Surface Water Drainage Solution

Surface water management

A modular channel drain that collects standing surface water and carries it away from driveways, patios, pool decks and walkways.

39.5″ channels Class B load ADA and heel guard grate No clips or screws

Built to move water

Join it together, set it in concrete, and send the water where you want it. Channels interlock end to end, grates lock in place, and every channel has three bottom outlets for 3″ or 4″ pipe.

39.5″Channel length

60 gpmMaximum per channel, through 47 sq in of open grate

3Bottom outlets in every channel

Class BCars and light trucks under 20 mph, installed in concrete

Purposeful details, top to bottom

StormDrain Plus channel with its locking grate, reinforcing ribs and round bottom outlets

Grates lock in. No clips or screws to assemble.
Textured, concave grate. A non-slip surface that funnels water into the channel.
Interlocking channels. A built-in joining system connects lengths end to end.
Reinforced ribs. Molded in for strength and rigidity.
Cavity feet. They grip the concrete and allow staking if needed.
Three bottom outlets. Cut one open with a hole saw or utility knife to fit 3″ or 4″ Sch. 40, 4″ SDR-35, corrugated or 4″ triple wall pipe.
UV inhibited. Channels, grates and accessories.

A high heel resting on the StormDrain Plus grate without slipping into the slots — **ADA and heel guard grate**Narrow slots for foot traffic at entrances, patios and pool decks.

A car tire on a StormDrain Plus grate — **Class B load**61 to 175 psi. Medium-duty pneumatic tire traffic, cars and light trucks under 20 mph, when installed in concrete per the instructions.

Where it works

Anywhere water pools and causes a mess, damage or a slip hazard.

StormDrain Plus across a wet concrete driveway — **Driveways**Catch water at the garage door and across paved surfaces.

StormDrain Plus along the edge of a stone patio — **Patios**Move water away from outdoor living space.

StormDrain Plus along a pool deck — **Pools**Handle splash-out and surface water on the deck.

StormDrain Plus beside a green sports court — **Sports courts**Clear standing water from the playing surface.

StormDrain Plus between a patio and a garden bed — **Gardens**Direct runoff away from planting beds.

StormDrain Plus along a concrete walkway — **Walkways**Drain pooling water from paths and entrances.

Channels and accessories

Build straight runs, corners, tees and crosses. Accessories slide into the female end of a channel and tab into the male end or a cut end.

FSDP-CHGG

39.5″ channel with grate

Grey channel with a locking grate. Carton of 9.

FSDP-GP3G

Contractor pack

Three channels with grates, one End Cap and one End Outlet. Carton of 3.

FSDP-QUAD

Quad 4-way connector

Makes left or right turns, tees and crosses. Cut out the openings you need. Carton of 3.

FSDP-EC

End Cap

Closes the end of a run. No clips or screws. Carton of 5.

FSDP-EO

End Outlet

An end-of-run connection to 3″ or 4″ sewer and drain or Sch. 40 pipe. Carton of 10.

How to install

Install requirements change with the surface and the traffic. Read the full instructions before you start.

1
Dig the trenchDeep enough for a 2″ sand bed and wide enough for at least 4″ of concrete on each side.
2
Set the gradeRun a string line at the finished height, mark the bottom outlet location if you’re using one, then spread and compact the sand. The channel isn’t pre-sloped, so the string sets the fall.
3
Open an outletUsing a bottom outlet? Open it with a 3″ hole saw before setting the channel.
4
Connect the runJoin channels and add the End Cap, End Outlet or Quad. Cut a channel and grate to length if needed.
5
Set and secureWork from the outlet end along the string line. Secure with ½″ rebar and wire ties.
6
Pour and cureTape the grates and the grate lock holes, then pour. For vehicle traffic, finish the concrete so the channel sits 1/16″ below it. Let it cure fully before traffic or removing grates.

Don’t pour asphalt against the channel. Use at least 4″ of concrete between them. For patios, gardens and walkways, use concrete at least 3″ deep and 4″ out on each side, then add pavers or soil. Send the water to a storm drain, pop-up emitter or daylight, away from the house and where local code allows.

Watch the install

From trench to finished pour.

Part numbers

Part	Description	Carton qty
FSDP-CHGG	39.5″ grey channel with grate	9
FSDP-GP3G	Contractor pack: 3 channels with grates, 1 End Cap and 1 End Outlet	3
FSDP-QUAD	Quad 4-way connector	3
FSDP-EC	End Cap	5
FSDP-EO	End Outlet	10

Specifications

Use	Residential surface drainage and light-duty commercial: driveways, patios, pools, courts, gardens and walkways
Channel length	39.5″
Grate open area	47 sq in per channel
Flow	Up to 60 gpm per channel
Load	Class B, 61 to 175 psi: medium-duty pneumatic tire traffic, cars and light trucks under 20 mph, installed in concrete
Grate	ADA and heel guard compliant, textured non-slip surface
Outlets	3 bottom outlets per channel, plus the End Outlet
Pipe connections	3″ and 4″ Sch. 40, 4″ SDR-35, corrugated and 4″ triple wall
Materials	UV inhibited channel, grate and accessories
Assembly	No clips or screws

Common questions

Can I drive on it?

Yes, when it’s set in concrete per the instructions. It’s rated Class B (61 to 175 psi) for cars and light trucks under 20 mph. Let the concrete cure fully first.

Can it go in an asphalt driveway?

Yes, but not with asphalt poured right against the channel. Put at least 4″ of concrete on each side, then pave up to the concrete.

Is the channel pre-sloped?

No. Set the fall with a string line and the sand bed as you install, working from the outlet end.

How do I make a corner, tee or cross?

Use the Quad (FSDP-QUAD). Cut out the openings you need for a left or right turn, a tee or a cross.

Where should the water go?

Run 3″ or 4″ pipe from a bottom outlet or the End Outlet to a storm drain, a pop-up emitter or daylight, away from the house. Don’t send it onto a neighbor’s property, and follow your local stormwater code.

How do I keep it clear?

Lift out the grates and clear leaves and grit from the channel from time to time, especially after storms.