Scarlet fever results from group A strep infection. If your child has a sore throat and rash, their doctor can test for strep. Quick treatment with antibiotics can protect your child from possible long-term health problems. Scarlet fever â or scarlatina â is a bacterial infection caused by group A Streptococcus or group A strep..
How long must primer dry before painting? Interior-formula, oil-based primer takes approximately one to four hours of drying time before applying paint. Exterior-formula, oil-based primer requires up to 48 hours of drying time before painting. A latex bonding primer, which is formulated for paneling, tile, glass or metal, needs 48 hours of drying time to cure completely.
By Concrete Construction Staff. Q: We placed a concrete slab for an exterior multipurpose game court. How long do we have to wait before painting basketball-court lines? A: Because many different paint types are available for concrete surfaces, you should follow the instructions provided by the paint manufacturer. Most literature recommends a 28-day cure, but it's not clear whether that means a 28-day drying period after the concrete has been moist cured, or a 28-day wait after the concrete has been placed. The Portland Cement Association (Ref. 1) recommends waiting 28 days to 6 months, depending on surface conditions and the coatings used on the surface.