The materials and the finishing of the curtain rod are also important to be considered before buying the curtain rod. A metal L shaped shower curtain rod can be a good choice, since it doesn’t get rusted and also easy to be installed in your bathroom. Moreover it is durable and can keep the level of the rod to not one day gets lower and looks bad. The finishing should be good because if it doesn’t the sometimes the curtain will get stuck because of the bad finishing in painting the rod. Bathroom.