A gravity drainage system on a flat roof differs from the gutter system you find on residential roofs in two key ways.
Types of roof drains for flat roofs.
Commercial buildings generally have flat roofs.
A major maintenance issue shared between all types of roof drains is debris removal.
Regular cleaning and unblocking of the drains gutters and scuppers is mandatory.
Each of these systems can become clogged by debris.
Having sufficient drainage on a flat roof is vital.
The one challenge with flat roofing is ensuring proper drainage.
There are three types of drain systems commonly used on flat roofs.
Flat roofs are an ancient form mostly used in arid climates and allow the roof space to be used as a living.
This material is one of the easiest of the different types of flat roofing.
Just enough slope to drain water but also flat enough to be a problem if not constructed properly.
When designing a roof it is essential to pay close attention to where the drains are.
Poor drainage can lead to serious issues with flat roofing from leaks to structural damage.
Usually a flat roof is built with a slight slope to provide some drainage.
Roof drains for flat or low slope roofs come in a few standard types.
The best type for the application depends on several factors such as the size and slope of the roof the desired appearance and how much regular maintenance the drain system might need.
This blog post looks closely at all three to help you discover the best drainage system for your property.
A flat roof may use interior drains to collect water from the centre of the roof.
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.
It can be anchored using fasteners ballasted or glued down.
Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot.
Some pipes are too small to handle the volume of the water.
Pros and cons for flat roof materials.
Internal drains constitute a common drainage system is most commercial buildings.
There are three types of flat roof drainage systems available in the market.
Most flat roofs suffer from poor drain locations or drain levels that are high.
Flat roofs aren t actually flat but must slope to drain water.
The drainage pipes are placed under the roof and in the.
On many occasions drains are too high and water cannot flow off.
Leaks in this type of roofing are fairly easy to patch and the material is light weight but very durable.
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.
Built up roof bur modified bitumen roof mbr and rubber membrane roof epdm.
Normally a slope of inch per foot is used.
There are 3 different ways to install epdm or rubber membrane roofing.
