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.
Each type of concrete has it's own characteristics and it will vary slightly from batch to batch. As a rule of thumb, total cure for most concrete is 30 days. You should wait for this period before sealing/coating.Also, when concrete cures, a film forms on the surfaces.Acid etching will remove this film, improve the profile and allow for better surface adhesion.ust poured a new 4 slab in the basement 4 weeks ago. Sprayed with water and covered with plastic for a week to wet cure. Then let it dry out on its own for 3 weeks. It is still moist in some areas.