Lightweight system

We know the desire to have a green roof can sometimes be hampered by the structural capacity. This is why we have a lightweight system to be used where loading weight on the roof is a problem in both new and existing buildings.

Technical specifications

Pitch: 0-15°

System depth: 61-70 mm

Saturated weight: 40-45 kg/m2

System Structure

Sedum blanket – 30mm

Pre-cultivated Sedum-mix blanket, consisting of a mix of 10 to 12 different types of Sedum. Vegetation percentage on delivery: at least 95%.

Substrate roll – 20mm

Substrate roll is a lightweight green roof substrate, manufactured from long mineral wool fibres. It is a good growing medium and ensures good water absorption and tenacity.

Drainage board with filterfleece – 11 to 20mm

The thickness of the drainage layer will depend on the roof structure and the water storage capacity required, depending on the climate.

We jump at any chance to talk about green.

Discuss a new project or interested in learning more, request a callback.

© Copyright Wiilder 2019. View our privacy policy.

Wiilder is a limited company registered in England and Wales. Registered number: 11312885. VAT number: 329 2833 87.