Mid-Height Baseboard Trim

This type of baseboard trims about 4” to 5 1/2” half inches in height and basically about 5/8” in thick. The top part of baseboard is decoratively shaped.
This type of trim price is significantly because of wide variation in shapes and height. The materials pine or MDF you choose make a difference in per foot cost of this style trim too.
Mid-height baseboard molding is best choice in houses which have a slightly more formal appearance than the typical builder home. This type of baseboard is a great idea to add personality to any room. For example, this is the great choice for a formal dining room. It will match well with any type of crown molding.

Simple option: Flat Baseboard Molding

Flat baseboard molding is a simple style, it is completely flat at the front side. This type comes in different heights, from 3.5” inches to 4.5”inches. Baseboard trim back is grooved for easy in installation. Most of this style thickness in 5/8 inch, but the thickness will vary depending on your application.
This simple baseboard should add a more decorative molding or quarter round molding to give a more elaborate look.
Flat baseboard moulding is actually more versatile compare to other moldings. You can use it in almost any style of home, with crown molding, window trim or door casings. You can put another trim on top of it, make it work well with architectural styles.