Mezuzah
The following blessing is said when attaching a mezuzah to the doorpost:
ברוך אתה ה' א‑לוהינו מלך העולם, אשר קדשנו במצותיו וצונו לקבוע מזוזה.Transliteration: Barukh atah Adonai Eloheinu, melekh ha'olam, asher kid'shanu b'mitzvotav v'tzivanu likbo'a m'zuza.
Translation: "Blessed are You, LORD, our God, King of the universe, Who has sanctified us with His commandments and commanded us to affix the mezuzah."
Read more about this topic: List Of Jewish Prayers And Blessings