Green roofs also absorb solar radiation and carbon dioxide, making them a safer environment for the property’s inhabitants, and also increasing its market value. The following steps refer to do it yourself green roof installation.
Do it yourself green roof:
- Most green roof systems are established using kits. It is important you purchase a green roof kit that is suitable to the design you want. A Roof 101 green roof expert can assist you in creating a design that will compliment your house. Alternatively, you can purchase a printed design.
- Cover your roof’s surface with an EPDM 1mm thick pond liner for waterproofing purposes, using a strong mastic sealant.
- To maintain the required moisture content in the substrate, a drainage layer must be added to all surfaces steeper than 10 degrees. It can be pre-manufactured in plastic, or made from a course material such as gravel or shale. Pebbles should be placed around the drainage outlets to prevent blockage. They also deter vegetation from establishing at the roof’s edges.
- A filter layer must be inserted to separate between the substrate and the drainage. It is made from lightweight polyester geotextile.
- For do it yourself green roof applications, the substrate should be 20-100mm deep depending on the type of vegetation planted.
- Plant the vegetation using pre-vegetated mats or blankets or plus plants.





