Drainage layer on the roof garden is used to quickly discharge the rainwater from the vegetation layer into the drainage system as well as to collect excess water.
Rooftop terrace roof for drainage.
Safety fire protection and thus the issue of roof drainage are the top priorities in design and construction.
Watts drainage products rd 300 r series 4 in.
Green roof with a membrane covered with layers of vegetable substrate.
No hub cast iron high volume roof drain with ductile iron dome.
Waterproofing of flat terraces is a tricky problem in building construction mainly because the surfaces are flat.
The holes prevent water from pooling on the top.
In most cases you will have to install a new membrane as well as several layers of drainage and vegetable substrate.
The most critical of these issues is the flat roof drainage systems.
Roof drains watts roof drains provide flexible solutions for specifiers and installers in any commercial roof application.
Terrace and balcony thresholds on a terrace or balcony the primary aim is to remove the water from the surface as soon as possible enabling safe access and preventing water ingress into a building.
This type of rooftop terrace is the most expensive option out of the three.
Modular drain through perforated tiling that simply snaps together will allow for a dry and safe roof and deck surface.
A gravity drainage system on a flat roof differs from the gutter system you find on residential roofs in two key ways.
A flat roof may use interior drains to collect water from the centre of the roof.
Our exclusive dual functional structural deck flange and combination roof drains streamline specifications saving installation time and labor.
To read more on drainage for terrace garden read this article.
This means that the water cannot run off the structure quickly and will move slowly or pool above the surface creating opportunities for leakage.
However they must often master an enormous structural challenge.
Geotextile fabric layer is used to separate drainage layer and plants growing in soil.
Your building and location can help determine which drain will fit your roof needs.
Cast iron roof drain with 2 in.
Instead the water simply flows away leaving a surface that is useable even during some of the wettest conditions.
Watts drainage products rd 300 r series 6 in.
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.
These areas are often more exposed receiving rainwater from the surface area plus other contributing areas including run down from the façade.
Along with the benefits of a flat roof come unique challenges.