EXTERIOR TRIM INSTALLATION VIDEO 6/10: FASTENERS Fastening tips for installing WindsorONE exterior trim. Next: 7/10 Butt Joints vs. Miters (Go back to INSTALLATION VIDEOS list) *See Full Installation Instructions WindsorONE should be stored, installed, handled & maintained correctly for the best performance. For complete installation guidelines & the WindsorONE Protected warranty, click here or call 888.229.7900.