A concrete footing. Even though the concrete hardening (technically known as curing) process begins quickly, you should leave the posts undisturbed for at least two days after pouring the concrete.
*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Q • With the recent ice on the streets, a car knocked over my mailbox post. Is this something easy to fix? — D.S., St. Louis ...