Waterpoofing For Green Roof Using PVC Membrane

The build-up for green roof using PVC membrane:

1. Felf (geotextile) 500 gr/sqm

2. Gravel (for drainage)

3. Felf (geotextile) 300 gr/sqm

4. PVC Membrane

5.Felf (geotextile) 500 gr/sqm

6. Concrete Slab

Fixing PVC membrane using welding machine