The boards overlap each other and are only partially exposed to the elements to keep the building water tight.
Standard clapboard siding dimensions.
Clapboard siding also known as weatherboard used to cover over flat squared logs in log house construction clapboard ˈ k l æ b ə r d also called bevel siding lap siding and weatherboard with regional variation in the definition of these terms is wooden siding of a building in the form of horizontal boards often overlapping.
Bevel siding and bungalow siding are 20th century versions that are generally resawn from boards producing random grain to obtain widths of 8.
Width length and thickness of siding panels sheets boards shingles or shakes define by a manufacturer.
There is wide variety of types styles and textures of siding available on the market and even similar in appearance siding panels from different producers might vary in actual dimensions.
Traditional new england clapboard is cut radially from the log producing true vertical grain and up to 6 wide.