Green Roof Substrate Bulk Bag

A balance green roof growing medium engineered for optimum plant performance and reduced loading.

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Harrowden Green Roof Growing Substrate

Green roofing is where ecology marries engineering. This growing medium has been especially formulated to meet the needs of the plants, the building they are enhancing and the wider environment.

Each bag covers approximately 24m² to a depth of 25mm

Relatively light weight when compared to topsoil and compost

Free draining – creates the ideal conditions for popular green roof plant species

Less water retention = less loading on the structure of the building

Larger particles – will not wash away in heavy rainfall

Low percentage of organic matter – will not oxidise over time and need replenishing

Open structure – not easily compacted

FLL approved for use on living roofs

Particle size 0 – 14mm

Also available in 25 Litre bags for easy handling

Delivery Information

Please select your preferred delivery date during the checkout process.

You can select a date up to 90 days in advance.

We can deliver this product on Tuesday, Wednesday, Thursday, Friday and Saturday.

The delivery charges vary depending on your location.

Delivery time slots are available for certain postcodes.

There is a 10am cut off for next day delivery.

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Green Roof Substrate Bulk Bag

A balance green roof growing medium engineered for optimum plant performance and reduced loading.

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Harrowden Green Roof Growing Substrate

Delivery Information

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Green Roof Substrate (25 Litre bags)