. We carefully disassemble the door system. This helps to get behind the hinges, at all the nook & crannies, all 6 sides of the door (including the top and bottom). 2. We caulk and glaze all glass areas to help prevent any water intrusion. 3. We tape off all windows and threshold to protect from over-spray finish. 4. Wood filler is applied where needed to help attain smoothness. 5. If there are any imperfections in the wood itself, we remove them with a steaming process. 6. Bare wood sanding by hand is done. 7. Stain with UV protection is applied by spray gun. This process soaks into wood to give added sun protection. 8. Generous block sanding is applied to all six sides of door. 9. Inspect door for any imperfections