Pros And Cons of Different Roof Rainwater Drainage Systems for Homes

For homes constructed in rain-intensive zones, a key consideration is the installation of a roof drainage system which can collect the rainwater accumulated on the roof and drain it to keep the roof dry. Traditionally, different types of roof rainwater drainage systems have been employed to keep roofs dry and the building safe from water logging and seepage. These roof drainage systems are of different types and for houses, one can choose from gutters, scuppers, inner drains, and siphonic roof drainage systems. Let us take a look at the pros and cons of each system in brief:

1.    Gutters  - The traditional roof drainage in most old homes is a network of gutters which are ideal for pitched roofs. The rainwater and storm water collected onto the roof drains into these gutters which is then channelled into a tank through downpipes. Gutters are an inexpensive solution and also need to be cleaned regularly to prevent blockage.

2.    Scuppers - These are ideal for flat enclosed roofs, parapets and terraces. Scuppers are holes cut into the edges of the roof to drain the water through downpipes. To direct the flow of the water, rubber or metal seals may be fixed at the rim of the holes. The downpipes collect the water and drain it into underwater tank or reservoir. While scuppers do not need intensive maintenance, the downpipes must be checked periodically in a while to prevent clogging.

3.    Internal drains - If your house has a flat roof, internal drains are an inexpensive solution for roof drainage. Draining in the lower elevations of the roof, internal drains connect to a downpipe which drains the water to a tank or reservoir. Inner drains often have protective barriers to prevent debris from flowing into them. These pipes do not freeze in the cold weather either. However, a major drawback of these systems is that if the right pipes are not installed, there is danger of breakdown and leakage, which can cause seepage in the walls of the building.

4.    Siphonic drainage - One of the most sophisticated drainage systems for houses, these enable the roof drainage to function at full capacity. The siphonic roof drainage system does not use too many pipes and instead sucks the water from the roof through a combination of gutters and pipes.

Choose the best and most advanced roof drainage systems for your home from Wavin, the leading supplier of services and technology for sustainable water management and supply. Wavin Quickstream siphonic roof drainage systems offer one of the most advanced and reliable solutions for effortless water drainage from even large and complex roof structures in buildings.


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