1. CUSTOM DOOR MIRROR INC Sliding Door Installation illation Guide Thank you for your purchase TOOLS REQUIRED Phillips Measuring Tape Screwdriver 3 16 Bit SIDE VIEW 1 1 4 phillip s head screws provided Header Trim X Install top track 1 4 phillip s ae head screws even with jamb l provided Pre drilled holes in track fasten with screws provided Set threshold track 5 8 from front edge of frame Sliding Door threshold e g O Floor STEP 1 Install top reversible track first using screws provided Install bottom threshold track 5 8 from front edge of frame Back Side View J Adjustment screw WG STEP 4 Now if required you can make adjustments in height on bottom rollers using a screw driver DONE WASN T THAT EASY Now you are all set to install the doors between the top amp bottom tracks