The RT-MINI II AlphaSeal™ Base is a self-flashing PV mounting base designed for rail-based solar installations on sloped metal, EPDM, TPO, and asphalt roofs.

Its integrated AlphaSeal® technology provides a waterproof connection, while the versatile base supports multiple rafter and deck attachment options. The system is ICC-ESR 3575 certified and engineered for wind speeds up to 180 mph and ground snow loads up to 90 PSF.