Emma Morano, 117 years old, blows candles in the day of her birthday in Verbania, Italy, Tuesday, Nov. 29, 2016. At 117 years of age, Emma is now the oldest person in the world and is believed to be the last surviving person in the world who was born in the 1800s. Antonio Calanni, AP. Fullscreen.
Wind, humidity, and sunlight are all factors in how long it takes for concrete to cure, walking, normally about 1 to 2 days. 5. How long does it take for concrete to cure enough to drive on? Again, wind, humidity, and sunlight are all factors but the standard is about 5 to 7 days. Start with a minimum of 2 people for a 1 cubic yard pour. 2  Add one person for each additional cubic yard of concrete. 3  If you are using wheelbarrows to move the concrete form the truck to the forms, add an additional person.
Water based polyurethane dries faster. 1  4-6 hrs before you can walk on the floors. 2  Hours 6-24, you can walk on the floors with socks. 3  Avoid shoes and bare feet. 4  And, make sure your pets don't walk on the floors during this interval. 5  1 hrs you can walk on it with shoes. 6  After 2 days, you can move furniture back. After 4 days, you can move furniture back on to the floors. 2  It's ideal to wait 1-2 weeks before dogs walk on the floors (unless they use doggie socks). 3  It takes a full 30 days for the floors to cure, so it's ideal to wait 30 days before putting area rugs on the surface.