Rainwater Harvesting Roofs

Here is a list of the most common roof types and if they can be used for rainwater harvesting.

Rainwater harvesting roofs.

Furthermore it is possible utilise rainwater harvesting of a green roof contrary to claims from other industries. However there are two issues. Rainwater collection systems can be as. There are some important factors about the roof to consider when planning for a rwh system.

Rainwater harvesting rwh is the collection and storage of rain rather than allowing it to run off. Here s a handy little calculator to help you estimate how much rainwater can you harvest from your roof. In fact it is quite common to harvest water from green roofs in germany and switzerland. Rainwater harvesting is collecting the run off from a structure or other impervious surface in order to store it for later use.

How much rainwater can you harvest from your roof. Rainwater is collected from a roof like surface and redirected to a tank cistern deep pit well shaft or borehole aquifer or a reservoir with percolation. Roof material the material of the roof is not as important as contaminants that may be on the roof. While metal roofing or plastic sheeting e g.

For the vast majority of tank based rainwater harvesting systems the catchment area is the roof surface. Typically rainwater will collect in the gutters move into the downspouts and finally collect in a storage. To use this calculator input the dimensions of your roof only area connected to rainwater harvesting system and the amount of rainfall in inches. For the majority of rainwater collection a roof acts as the primary catchment area.

Roof types for rainwater harvesting. Tin tin is one of the best rainwater harvesting roof materials to have on a project there is very little water loss with tin around 5 and no. Included are some of the effects of using these types of roofing for rainwater harvesting according to arcsa. Rainwater harvesting or rainwater collection is the process of collecting the run off water from a structure in order to store it for later use.

There s just a short list of rooftop surfaces that rainwater harvesters should avoid. Greenhouse roof has the highest collection efficiency most surfaces are a ok. The good news is most roofing materials are suitable for rainwater harvesting. Traditionally this involves harvesting the rain from a roof.