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A liner is sometime incorporated into non-infiltrating practices such as [[stormwater planters]], or has also been applied in [[permeable paving]] installations where seperation from the native soils and groundwater was required.
*Waterproof containment can be created using a plastic membrane/liner (HDPE or EPDM are common materials).
*Waterproof containment can be created using a plastic membrane/liner (HDPE or EPDM are common materials).
**When the membrane is being used directly in the ground, punctures from stones can be prevented by compacting a layer sand (30 - 50 mm) over the soil prior to installing the membrane.
**When the membrane is being used directly in the ground, punctures from stones can be prevented by compacting a layer sand (30 - 50 mm) over the soil prior to installing the membrane.