In architecture, a baseboard (also called skirting board, skirting, mopboard, floor molding, as well as base molding) is a (generally wooden) board, covering the lowest part of an interior wall. Its purpose is to cover the joint between the wall surface (usually plaster or drywall) and the floor.
It covers the inevitable uneven edge as flooring meets the wall. As a secondary function, it protects the wall from kicks and abrasion and sometimes prevents furniture from being pushed right against the wall. As a tertiary function, it can serve as a decorative molding.
At its simplest, skirting board consists of a simple plank nailed, screwed or glued to the wall; however, particularly in older houses, it can be made up of a number of moldings to provide an elaborate decorative feature. Even today, it is quite common to have a quarter round molding between the baseboard and floor. Quarter round has the added advantage of covering more of the floor, giving the finished flooring installer a greater margin of error that can be covered up by the quarter round and baseboard. More recent trends in interior design are going back to more elaborate baseboards, which, in conjunction with other decorative moldings help to distinguish a home.
Wood baseboard is available in paint or stain grade versions. Paint grade will not take stain well and is suitable for painting. Paint grade baseboards can be either “raw finger jointed” or “primed.” Stain grade woods–such as oak, pine, and maple–are clearer and are suitable for staining in natural finishes.
All baseboard moldings are available for full scale preview along with downloadable CAD files in our wood trim profile database. We’ve also made our most popular baseboard moldings available in one CAD file…architectural baseboard molding (be patient…it’s a big one). Matching existing, historic or napkin sketch? Send it to us at sales@goodmillwork.com and we’ll match it for you in 24 hours.
See Wikipedia, Baseboard, en.wikipedia.org/wiki/Baseboard (baseboard definition) (as of May. 6, 2009, 11:37 GMT).

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These baseboard designs are very classy. I am planning on redoing my baseboards and add crown mouldings to update the interior of my home. It really makes a huge difference once you add those to your home decor.