The scupper is an essential device in the drainage system of flat roofs, specifically designed for constructions with parapets. This device is installed through the parapet to facilitate the efficient drainage of rainwater to the external gutter systems. Scuppers are available in various dimensions to accommodate different construction requirements:

• Height: 2.5 inches, 3.5 inches, 3.75 inches
• Width: 5 inches, 6 inches
• Length: 16 inches, 26 inches, 36 inches, 48 inches
• Outlet pipe length: 3 inches, 6 inches

These options allow for customized integration and optimal management of water runoff on flat roofs.