Thomas Machine & Foundry > Fraser Marine Products > Deck Scupper Deck Scupper Deck Scupper Flush-mount marine grade aluminum deck scupper engineered for reliable drainage. Welds securely to the aft deck. Sized to accommodate 2″ Schedule 40 pipe. View Deck Scupper Drawing Request A Quote Back to All Products Get in TouchWhether you need casting, precision machining, or finishing services, Thomas Machine & Foundry is here to help. Request A Quote