Roof Washers Rainwater Harvesting

There are certain advantages and disadvantages to each roofing material so here are a few considerations about the best and most widely used roofing materials for rainwater harvesting.

Roof washers rainwater harvesting.

Rms wisy linear100 rainwater filter up to 2100 sq ft 475 00 choose options compare rms wisy vortex roofwasher filter up to 2 200 sq ft 564 00 choose options. A first flush diverter also known as a roof washer is a simple contraption that diverts the first flow of water away from a rainwater catchment system the first pass of water in any storm essentially washes your roof of all the sediments that have collected since the last rain. To first flush or not to first flush. Roof washers figure 2 are something of a misnomer since they don t actually wash the roof.

Roof types for rainwater harvesting. The good news is most roofing materials are suitable for rainwater harvesting. It s a topic of much discussion in the rainwater harvesting world. Rainwater harvesting systems can be as simple as directing gutters to a lidded garbage can or as complex as a concrete cistern roof washer and filtration system.

The efficiency and the quality of the water collected depends on the effective roof area and the materials that the roof is constructed of. Greenhouse roof has the highest collection efficiency most surfaces are a ok. As illustrated by this case roof top rain water harvesting measures helps in fulfilling the domestic water need as well improving the ground water level by few meters. 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.

While metal roofing or plastic sheeting e g. Metal roofs when it comes to metal roofs as well as roofs in general some of the best options are galvanized metal roofs such as steel and aluminum roofs. A roof washer consists of a tank with a strainer and filter typically 30 micron that is installed immediately upstream of the cistern and downstream of the downspouts. Roof top rain water harvesting measures need to be given priority in the drought prone areas and should be incorporated in the watershed development programs.

Sometimes roof washers and first flush diverters are combined into a single unit. Here is a list of the most common roof types and if they can be used for rainwater harvesting.