Do I need a drainage mat behind a retaining wall?

Name: Drainage Mat
Brand: Yardexa

Not always required for residential SRWs, but on tall or engineered walls, mortared walls, and planter walls it's standard.

💧 Drainage

Drainage Mat

Dimpled HDPE composite panel bonded to filter fabric. Installed against retaining wall backs and planter walls to protect waterproofing and route water down to a drain.

Available sizes

4 ft × 50 ft roll

Gallery

Material pile

Installed

Wet

Close-up

Representative visualizations. Actual color, texture, and size vary by supplier and lot.

Ready to order?

Order Drainage Mat — delivered.

Delivered to your project
Contractor pricing available
Managed by Yardexa end-to-end
One point of contact

Free to request. No account required.

Availability

In stock

Available in Southern California
Available in Northern California
Delivered pricing available
Heavy equipment delivery available

Typical lead time

1–3 business days

Delivery options

End dumpSuper sacksTruck & transfer

Yardexa coordinates pricing and delivery — you order through Yardexa, not through individual yards.

Why order through Yardexa

A real materials company — coordinated for you.

Material expertise
Every product page written by people who spec and deliver materials for a living.
Managed procurement
One request per project. Yardexa handles pricing, sourcing, and delivery — no calls to five yards.
Professional support
A specialist follows every order — before, during, and after delivery.
Delivered pricing, prepared
Yardexa prepares delivered pricing that includes truck, fuel, and site coordination — not a surprise on the invoice.
Fulfillment network handled
Yardexa coordinates sourcing behind the scenes — you never contact yards directly.
California coverage
Live routes across LA, OC, San Diego, Riverside, Inland Empire, and Ventura.
Project planning tools
Calculators, bundles, and a project cart that mirror how contractors actually order.

Advantages

Protects waterproofing
Channels water down
Fast install

Applications

Retaining walls
Planter walls
Below-grade walls

Specifications

Void space: ~0.4"

Common uses

Wall drainage

Related materials

Drain Rock

Washed round or angular stone sized for drainage.

Landscape Fabric

Woven or non-woven fabric that suppresses weeds under mulch and rock.

Perforated Pipe

Slotted or perforated pipe for French drains.

Frequently asked

Do I need a drainage mat behind a retaining wall?: Not always required for residential SRWs, but on tall or engineered walls, mortared walls, and planter walls it's standard.

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