Most commonly, the caffeine is in coffee, tea, soft drinks, and chocolate. This adds up to an average of about 280 mg of caffeine per day, or the equivalent of about two cups of coffee.
Wait 30 Days. New concrete should cure for at least 30 days before being painted, according to Sherwin-Williams. However, even if that time frame has passed, the paint company recommends testing for moisture.Do this by duct taping a 2-foot-by-2-foot piece of plastic to the floor or wall.t's wise to let concrete cure for 60 days before painting, according to the Valspar paint company. After the concrete dries, Valspar and Sherwin Williams both say you should acid etch the concrete so paint will adhere to it.
1 New concrete must cure for a minimum of 45 days before staining. 2  Do not walk on the surface for 24 hours after applying stain. 3  Do not park, drive over or place furniture on the surface for 72 hours.  Contact your local hazardous waste disposal program for pickup of the rags and leftover stain.