Manasara 37.10

37.10

vāstuhomaṃ tataḥ kṛtvā tṛptyarthaṃ vāstudevatāḥ
śuddhiṃ kṛtvā tataḥ paścātparyagnikaraṇaṃ gṛham

Then, having performed the site fire-sacrifice for the satisfaction of the site deities, / and having performed purification, afterwards the circling of the house with fire [takes place].