Flat Roof Internal Drainage

Unlike other roofing types that are slanted or sloped to allow water to drain automatically flat roofs need a built in drainage system to help remove moisture and debris.

Flat roof internal drainage.

Available as downloads in pdf dwg and dxf format free of charge. A flat roof may use interior drains to collect water from the centre of the roof. On large flat roofs mainly on commercial buildings or large residential complexes you ll likely find internal drainage systems. Alwitra flat roof details.

Flat roof drainage. Below are the five best roof drains for flat roofs. It is very critical to position drains for maximum effect. The greenslope roof ponding repair kit provides a lightweight inexpensive solution to flat roof ponding.

Poor drainage can lead to serious issues with flat roofing from leaks to structural damage. Furthermore flat roofs with internal drainage are built to direct water to the central points of the structure with a concave shape the opposite of a pitched roof. An interior drainage system makes use of several drains spaced across the surface of the roof most commonly near its center. A gravity drainage system on a flat roof differs from the gutter system you find on residential roofs in two key ways.

We offer a large range of products. There are three types of drain systems on a flat roof. There are a few ways to make sure water drains away from the surface of a flat roof. There must be some momentum for the water to move into the flat roof drainage system.

Unlike scupper or gutter drainage systems in which water flows off the side of the roof internal systems allow for drains to be strategically placed throughout a roof deck to ensure water doesn t pool. A light rain or drizzle for example remain remain on a flat roof for a short period of time. Ponding water on flat roofs reduces the roof s lifespan. Flat roof drainage options.

So often we find that inner drains are high on the roof causing water to pool around them. The one challenge with flat roofing is ensuring proper drainage. These drains are like the drain at the bottom of your shower except that the roof drain has a larger strainer to protect it from debris. Our range of flat roof drainage products include many roofing outlets from trusted brands such as caroflow wallbarn and klober so you can be sure of a quality reliable flat roof outlet no matter which product you buy.

Details and drawings of the internal flat roof drainage.