Lightweight Soil Mix For Roof Gardens

Rooflite offers a full line of lightweight soil products meticulously engineered for a diverse range of green roof applications and designed to optimize green roof performance.

Lightweight soil mix for roof gardens.

It s a huge deal you don t see that often. These aggregates make a good basis for a growing medium. What was really exciting about rooflite is that they were interested in developing a high quality media mix to suit farming. Normally used at depth of 8 12 inches.

These materials are available throughout the west coast of north america. Rooflite extensive the ideal growth medium for extensive green roof systems with hardy and drought tolerant vegetation. Granular lightweight aggregate that creates a natural root environment and can be used as an alternative to a synthetic drainage layer. It can also be used as a bedding layer when pavers or patios are specified.

Hydrocks the same material used in lightweight concrete provides the structural strength in the soil mix while the special blend of clay and erth food provides the microbes and nutrients to create a living soil able to breakdown contaminants cycle nutrients and feed the landscape. Rooflite soil provides key features for excellent green roof performance. This soil mix consists of fully decomposed organic compost lava sand texas greensand and a soil sand mixture all of which is specially formulated to create the ideal organic growing environment please read the vegetable gardening best practices document and view the 4 year vegetable garden timeline. Intensive is a blend of screened sandy loam sedge peat or coir and leca 4 10mm.

Lightweight volcanic aggregate such as pumice or lava. The soil mix is 50 washed sand 40 hydrocell flakes and 10 composted organic matter by volume. Soil s saturated weight can reach 120 lb ft 3 7 5 kg m 3 which is far too high for roof gardening. We provide growing media for both intensive and extensive roof gardens.

For the best green roof medium the growing media should contain the following. The targeted saturated weight of roof top growing media should be 48 65 lb ft 3 3 4 kg m 3. An ideal rooflite soil for intensive green roofs rooftop gardens container gardens planters. Use on roof gardens where a free draining friable material is required and where point loading is critical.

Can be used in combination with rooflite intensive base and rooflite drain to provide deeper root space. Lightweight planting mix is ideal for. Fytogreen australia s lightweight roof garden system works to the following depth and saturated weight guidelines.