Summary on Green Rooftops

According to Green Rooftops, waterproof concrete can be a more viable option for future green rooftops benefiting society even further. As compared to the usage of membranes, waterproof concrete is relatively easy to implement. It is much sturdier and does not deteriorate with age. As concrete is used, it will hardly be affected or damaged during construction, making it a much simpler option, leaving the designers lesser things to worry about.

With the application of concrete, all the designers have to do is to wait for it to set and use it as a working platform. With that in mind, the designers can proceed straight to construction without having to wait for the concrete to set prior to introducing the membrane to the green roof.

Due to the waterproofing nature of the concrete used, further waterproofing will no longer be required. This in turn play a big part in reducing cost and time used for construction. As concrete does not wear out or deteriorate over time, maintenance is at minimum as compared to when membranes were used. This will lead to the increase in its sustainability and at the same time lower its life-cycle cost.

With regards to maintenance, issues such as leakage can be easily detected since it is caused by crack or from a loose seal. With a simple polyurethane grout injection, it can be easily fixed from below without disturbing the green roof above. As for a membrane system, when an issue arises, it is difficult to pinpoint the location of the problem. The reparation fee is not only costly, it might also cause damage and disruption to the entire green rooftop system.