They are also used for through wall scuppers and roof drains.
Roofing scupper box.
Low slope roof scupper boxes allow water to exit the roof through a parapet wall and into a downspout.
Manufactured out of tpo coated metal and 55 mil un reinforced membrane for use in waterproofing wall scuppers eliminating unnecessary flashing to waterproof the wall opening.
Size 4 x 6 x 12 102 x 152 4 x 305 mm.
The scupper box is integrated with the roof system flashed or stripped in on the interior side of the wall and usually terminates on the outside of the wall with a faceplate with sealant around it.
Scuppers are custom prefabricated with one skirt or with a single skirt and metal flange.
I have been working with customers drainage issues for years and will work with you to resolve any problems you have with your roof s drainage system.
Scupper pvc scuppers are designed to be used on rectangular outlets extending through walls or raised roof edges in the mule hide pvc roofing system.
Channel type scuppers are also typically lined with metal but the metal is integrated with the coping or other edge metal.