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Product · Sub-surface drainage

CORE DRAINAGE

Interlocking drainage cells that maintain a free-draining void beneath roof, podium, planter and artificial-grass build-ups.

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Black CORE DRAINAGE CELL panel on a light background.CORE DRAINAGE
01 · What it is

Interlocking drainage cells that maintain a free-draining void beneath roof, podium, planter and artificial-grass build-ups.

02 · What it does

The open cellular structure creates a continuous route for water within a compatible, independently designed landscape build-up.

03 · Common uses

Roofs, Podiums, Planters, Artificial grass.

CORE DRAINAGE: product detail

CORE DRAINAGE CELL panel.
CORE DRAINAGE CELL · PRODUCT
Illustrative visualisation of drainage cells being installed beneath a planted commercial roof terrace.
ROOF DRAINAGE

Available options

Exact product page

CORE DRAINAGE CELL

Interlocking recycled-polypropylene drainage cell for horizontal and vertical drainage layers.

View specificationsExact product page

CORE DRAINBASE

Recycled-HDPE drainage and buffering layer for compatible landscape and podium build-ups.

View specifications
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CORE DRAINAGE CELL

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CORE DRAINBASE

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Filter and protection layers

Where it is used

RoofsDiscuss this usePodiumsDiscuss this usePlantersDiscuss this useArtificial grassDiscuss this usePaving and landscape build-upsDiscuss this use

Technical data

Performance information must match the exact product, grade and intended application. CORE checks the current product scope before information is used in a specification.

Website claim-scope review: 20 August 2026 · product data verification required
Controlled information request

Confirm the product and application first

Current technical information is supplied after the drainage product, orientation, loading and outlet arrangement have been confirmed.

No product-data file is published on this page at present. The response should identify the applicable product, current information, limitations and any missing project inputs.

Request technical information

Installation planning

These are coordination principles, not a product-specific method statement.

  • Confirm the exact product, formation, preparation and sequencing before installation.
  • Use compatible adjacent materials and the current guidance for the selected variant.
  • Coordinate the relevant laps, joints, fixings, anchorage, outlets and edge conditions.
  • Agree inspection and hold points appropriate to the product and project risk.
  • Record damage, repairs, concealed work and handover information.

Limitations

Flow direction and outlet positions must suit the project.

Loading and membrane compatibility must be checked.

Technical resources

Published web guidance and product-specific request routes. Request entries are not downloadable files.

View all resources and requests
ResourceTypeAvailabilityAction
Request current CORE DRAINAGE technical informationCurrent product scope to be confirmedTechnical information requestSub-surface drainageEmail requestNot published as a fileSend request
Request Drainage-cell outlet and interface guidanceMust be adapted and approved for the projectDetail requestSub-surface drainageRequest formNot published as a fileStart request
Technical project support

Tell us about your project

Send us your brief, drawings or site information. Our technical team will help identify the right CORE product or system and the information needed to move the project forward.

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