Scuppers are used to provide an outlet through parapet walls or gravel stops on flat and built up roofs to allow drainage of excess water.
Flat roof drain through a parapet.
Scuppers can be installed to carry water into gutters or directly into downspouts through conductor heads.
Banding is typically used to seal soil vent pipes on single ply roofs such as fdt rhepanol pib and involves wrapping an unreinforced membrane around the pipe to a minimum height of 150mm an approved sealant is then applied to the top of the membrane.
Scuppers are openings in roofs and parapet walls that provide a way for excess water to drain from low slope flat and built up roofs.
The epdm rubber through wall drain outlet is a synthetic epdm rubber outlet for use on flat roofs with parapet walls to form a through wall outlet so that water can be dispersed into a drain hopper or a similar soak away.
For use with prodrain parapet.
The slope should be a minimum of 1 in 80 but in practice a minimum slope of 1 to 40 should be used to allow for deflection of the roof and for normal building tolerances.
What typical detailing methods are used to seal flat roof penetrations.
Proguard parapet drain grill.
Typical methods include banding pitch pockets and cover flashings.
Available in bituminous light grey dark grey.
6 24 2014 david howard aia said.
To design a sloped or flat roof drainage system we need to know the anticipated maximum rainfall rate and the flat or projected roof area.
Flat roofs come in many shapes and sizes which include parapet roofs roof decks and green roofs to name just a few of the options available.
They can be used in conjunction with gutters an down spouts to diverts the flow to the desired location.
They can be used in conjunction with gutters and downspouts to divert the flow to the desired location.
For clarity flat roofs actually have a slight slope to allow rain water to drain off the roof but they seem flat when compared with more traditional steeply sloped roofs.
The epdm rubber through wall drain outlet 100mm x 100mm requires a hole size of 105mm x 105mm.
They typically connect directly to gutters and downspouts to.
The large flange provides excellent coverage and is available in various waterproofing membranes to suit the relevant roof covering.
Scuppers are used to provide an outlet through parapet walls or gravel stops on flat and built up roofs to allow drainage of excess water.