Joest Interface/Backing Pad is required when using Joest use-it Superpad Sanding Discs with Porter Cable 7800 Drywall Sander.
The Joest Interface/Backing Pad is specifically designed to hold Joest use-it Superpad Sanding Discs firmly in place while utilizing Joest’s exclusive dust extraction technology. When dustless sanding and quality results are required, count on Joest to provide the performance.
