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.
A: Typically 24 hours after the last coat is applied your floors should be dry enough to walk on and place furniture on. Even though the floors are dry the finish will still be soft therefore you must wait 10 to 14 days before you place any area rugs down. This will ensure your floor cures properly.Polyurethane won t dry in the cold so be certain your heat is set and functioning.epending on how much sanding they ve already had will depend on how many more sandings it can withstand. Depression flooring (flooring installed in the 1930 s) is much thinner and often can t be refinished but once.