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3/4"–1-1/2" Crushed Drain Rock.

Clean Drain Rock  •  Delivery Included

Clean, angular crushed rock with no fines. Moves water fast and stays put in drains, footings and wet areas.

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Pile of 1-1/2 inch crushed drain rock for drainage projects in Columbia City, Oregon

Crushed drain rock

Hand holding 1-1/2 inch crushed drain rock to show size, delivered in St. Helens, Oregon

What is crushed drain rock?

Clean Rock. Fast Drainage.

This is crushed rock screened to between 3/4" and 1-1/2" with the fines removed. Most of it runs closer to the 1-1/2" size, but you'll find some smaller pieces mixed in. The angular pieces leave plenty of open space for water while locking together better than round rock.

It's a go-to for French drains, foundation and footing drains, dry wells and wet spots that need to dry out. In certain situations, it can also be used as a base rock where you need a clean, free-draining base.

Size

3/4" to 1-1/2"

Type

Clean crushed rock

Compacts

Locks in place

Best for

Drainage

Common uses

What Drain Rock Is Best For.

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French Drains

Surrounds perforated pipe and carries water away.

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Foundation & Footing Drains

Lets water drain away from foundations and footings.

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Dry Wells

Fills the pit so water can soak into the ground.

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Wet & Soggy Areas

Firms up wet spots while letting water through.

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Retaining Wall Backfill

Lets water drain behind walls instead of building up.

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Base Rock

In certain situations, a clean, free-draining base under pads and walkways.

Planning your order

How Much Do You Need?

Measure the length and width of your area, choose a depth, and our material calculator will estimate the yards you need. Deliveries start at 4 yards. Not sure? Call or text and we'll help you figure it out.

~108 sq ft

1 yard covers at 3" deep

~81 sq ft

1 yard covers at 4" deep

4–12 yds

Delivery load sizes

Installing a French drain? Lining the trench with drain fabric before adding rock helps keep soil out, so the drain keeps working for years.

Pairs well with

Related Materials.

Hand holding 3/4 to 1-1/2 inch round river rock to show size, available for delivery in Deer Island, Oregon

3/4"–1-1/2" Round Rock

Round drain rock with a natural look, great for French drains.

Hand holding 3/4 minus driveway gravel to show size, available for delivery in Warren, Oregon

3/4" Minus

Our most popular driveway gravel. Compacts into a firm surface.

Hand on 2 to 8 inch rip rap rock to show size, available for delivery in Clatskanie, Oregon

2"–8" Riprap

Large angular rock for erosion control, ditches and slopes.

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Drain rock questions

Good Questions. Straight Answers.

What does "clean" drain rock mean?

Clean means the fines and dust have been screened out. Without fines filling the gaps, water can flow freely through the rock instead of getting trapped.

What's the difference between crushed and round drain rock?

Both drain well. Crushed drain rock has angular edges that lock together, so it stays put better under foot traffic and on slopes. Round drain rock is smooth river rock that's easier to rake and has a more natural look.

Do I need fabric with drain rock?

In most drains it's a good idea. Drain fabric keeps the surrounding soil from washing into the rock, which helps the drain keep working longer.

What's the difference between drain rock and 3/4" minus?

Drain rock has the fines removed, so water flows through it. 3/4" minus keeps the fines, which lets it compact into a firm surface for driveways, but it won't drain as freely.

Is delivery included in the price?

Yes. Every price includes delivery, with no separate fees. Pricing is set by location, so choose your town to see the delivered price.

Can you help with drainage problems?

Yes. Along with delivery, we handle excavation and grading work that helps move water away from where it doesn't belong. Learn about our excavation services.

Ready to order?

Get Drain Rock Delivered.

Check the price for your town and schedule your delivery online. Delivery is included in every price.

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