The following are the most common, general symptoms of prostatitis. However, each individual may experience symptoms differently. Symptoms may include: Urinary frequency and/or urgency. Burning or stinging sensation during urination. Painful urination. Reduced stream volume during urination.
1 Mesh backerboard tape.  While 1/4-inch-thick cement board is typically used for flooring, use 1/2-inch-thick board instead if you can, as it makes the floor even stronger. However, this may not be possible, as it may raise the overall height of the finished floor, creating threshold transition problems.
I agree that 2.25 is the most common board size, but disagree about the king diameter. Pretty sure 1.75 is more common. I know there are folks with 1.875 diameter kings that use 2 3/8 inch boards as well. I don't have a USCF rule book so I don't have anything official.