I have an existing wood door that is stained and sealed with spar urethane. It faces southest and gets direct sun on it on the bottom 1/3rd of the door. I refinish and restain it every 3-4 years to keep it looking nice. Can I add 2 coats to the whole door and an extra 2-3 coats to the sun exposed area? If yes which would be better do the bottom third coats first then 2 coats on the whole door or 2 coats on the whole door then the bottom third coats? I am guess bottom third coats first then 2 whole coats, but not sure?
Thanks Brian