This is a questions I get on a regular basis from my customers. Therefore, I would like to quickly address this issue and hopefully offer everyone a better idea while making the choice.
The flooring contractor should be able to recommend the best fitting molding for your transitions. Every project is unique in its own way so there isn't a golden rule to what type of molding you should use to make it look right. However, if the purpose of the molding goes beyond just the look, then I would recommend following the NWFA installation guideline.
What is European oak? and how to choose the right one?