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Clapboard

technology Maturity 11-13

Long wood boards cover a house.

Saltbox Concord 2 cropped.jpg
Saltbox Concord 2 cropped.jpg
They sit on top of each other. This helps keep the rain out. They can be white or black. Some wood turns grey in the sun.
Stained wooden clapboard siding.jpg
Stained wooden clapboard siding.jpg
Do you see wood on a house near you?

49 words

Long wood boards cover the walls of a house.

Saltbox Concord 2 cropped.jpg
Saltbox Concord 2 cropped.jpg
These boards often overlap each other. This helps the rain run off the sides.
Stained wooden clapboard siding.jpg
Stained wooden clapboard siding.jpg
People used to split wood by hand. Later, machines cut the boards from logs. Some boards are made of pine or oak. Other boards are made of cedar. You can paint them many colors. Some wood turns grey over time. Now, people also use plastic or metal. These materials are light and easy to use. It is a smart way to build.

99 words

Clapboard is a way to cover the walls of a building.

Saltbox Concord 2 cropped.jpg
Saltbox Concord 2 cropped.jpg
These are long, thin wood boards. They often overlap each other. This helps rain run off the walls.
Stained wooden clapboard siding.jpg
Stained wooden clapboard siding.jpg
In the United Kingdom and Australia, people call this weatherboard.

Long ago, people split the wood by hand. They made boards with a thin edge and a thick edge. This shape is called a feather edge. Later, mills used saws to make boards. One way is to use a radial saw. This cuts the wood from a log as it turns. This makes a vertical grain. This grain helps the wood stay strong. Another way is flat-sawn. This method was common in the British Isles. However, flat-sawn wood can cup or bend. It also does not hold paint as well.

Many types of wood are used. People use oak, pine, or spruce. Now, many use red cedar. Some wood is left plain. It turns grey as it ages. Other people use paint or stains. You can find clapboard on many buildings. This includes shops, windmills, and small houses.

191 words

Clapboard is a type of wooden siding for buildings.

Saltbox Concord 2 cropped.jpg
Saltbox Concord 2 cropped.jpg
It is made of long, thin boards. These boards often overlap one another. This helps the building stay dry. In the United States, people call it clapboard. In the United Kingdom, Australia, and New Zealand, people call it weatherboard.
Period weatherboard, Dunedin, NZ.jpg
Period weatherboard, Dunedin, NZ.jpg
Some people also call it bevel siding or lap siding. It can be used on walls or even roofs. This material helps protect a house from the weather.

There are different ways to make these boards.

Close-up of original quarter sawn riven oak clapboards in leanto attic.JPG
Close-up of original quarter sawn riven oak clapboards in leanto attic.JPG
Long ago, people split wood by hand. This process is called riven. It made boards with a thin edge and a thick edge. This shape is called a feather edge. Later, mills used saws to cut the wood. One way is to use a radial saw. The log turns 360 degrees while being cut. This creates a taper and a vertical grain. Another way is flat-sawn. This method cuts across the growth rings. Flat-sawn wood can cup or bend more easily.

History tells us where these names come from.

Stained wooden clapboard siding.jpg
Stained wooden clapboard siding.jpg
An old meaning of clapboard refers to small pieces of oak. These pieces came from Germany to make barrels. The name is a partial translation from Middle Dutch. In Australia, people use a special type called chamferboard. This uses tongue-and-groove joints to link the boards. This makes the outside of the wall look flatter. In New Zealand, weatherboard was very popular before 1960. After big earthquakes in 1855 and 1931, wooden buildings were seen as safer.

Many different kinds of wood are used for siding. In North America, people used oak, pine, or spruce. Modern clapboards often use red cedar or pine. Some people leave the wood raw. It turns grey as the tannins wash out. Others use paint or stains to protect it. Traditional colors were black or white. Today, there are many more colors because of chemical pigments. You can find clapboard on cottages, windmills, and shops.

Today, you might see different materials that look like wood.

Facade detail with natural building materials, Tasmanian House by Jiri Lev.jpg
Facade detail with natural building materials, Tasmanian House by Jiri Lev.jpg
Some siding is made of vinyl or aluminum. Other types use fiber cement. These are lightweight alternatives to real wood. You can see these styles in many places. Some houses are Dutch Colonial Revival styles. Others are Victorian terrace houses in Australia. Whether it is old or new, this siding helps shape how our towns look.

428 words

Clapboard is a type of wooden siding used to cover the outer walls of buildings.

Saltbox Concord 2 cropped.jpg
Saltbox Concord 2 cropped.jpg
It consists of long, thin boards that are often laid in an overlapping pattern. This overlapping design is essential for protecting a structure from the elements. While the term "clapboard" is common in modern American usage, other names exist depending on where you live. In the United Kingdom, Australia, and New Zealand, this material is usually called weatherboard. Other regional names include bevel siding, lap siding, or chamferboard.
Rare Weatherboard Terraces.jpg
Rare Weatherboard Terraces.jpg

The way these boards are shaped depends on how they are cut from a log. Originally, workers used a process called riving. They would split the wood radially by hand to create sections. These pieces often had a "feather-edged" shape, meaning they were thin on one side and thick on the other. To shed water effectively, builders attached them with the thin side up and overlapped the thick side over the thin side.

Close-up of original quarter sawn riven oak clapboards in leanto attic.JPG
Close-up of original quarter sawn riven oak clapboards in leanto attic.JPG

As technology improved, sawmills began producing boards using different mechanical methods. One method uses a clapboard mill to create radially sawn boards. In this process, cuts are made deep along the full length of the log. The log is rotated until it has turned a full 360 degrees. This specific technique produces a taper and a true vertical grain. These vertical-grain boards are very common in the New England region of the United States.

Stained wooden clapboard siding.jpg
Stained wooden clapboard siding.jpg

Another method is known as flat-sawn cutting. This technique involves cutting the wood tangent to the annual growth rings of the tree. This method was very common in the British Isles. Immigrants carried this specific way of cutting wood to their colonies in Australia and the Americas. However, flat-sawn wood has some disadvantages compared to radial cuts. It tends to cup, or bend, more easily. It also does not hold paint as well as radially sawn wood does.

Different regions have also developed unique styles of joining these boards. In Australia, a variant called chamferboard is used. This version uses tongue-and-groove joints to link the boards together. These joints create a flatter external appearance than standard angled weatherboards. Some modern clapboards are even made of shorter pieces. These pieces are joined together using an adhesive in a process called finger jointing.

Facade detail with natural building materials, Tasmanian House by Jiri Lev.jpg
Facade detail with natural building materials, Tasmanian House by Jiri Lev.jpg

The history of the word "clapboard" is also quite interesting. An older meaning of the term referred to small, split pieces of oak. These pieces were imported from Germany to be used as staves for making barrels. The name itself is actually a partial translation from Middle Dutch. In New Zealand, weatherboard cladding was very dominant in buildings constructed before 1960. Following the major earthquakes of 1855 and 1931, people began to see wooden buildings as less vulnerable to damage. This led to the use of weatherboard walls paired with corrugated iron roofs as a cost-effective building style.

Many types of wood have been used for this purpose throughout history. In North America, builders historically used split oak, pine, or spruce. Today, modern clapboards are frequently made from red cedar or pine. In some traditional settings, the wood was left raw to rely on air circulation. Over time, these boards turn grey as the tannins are washed out of the wood. Most people now choose to paint or tar the wood. While traditional colors were often black or white due to local pigments, modern chemical stains allow for a huge variety of colors.

Today, the concept of clapboard continues through many different materials. While traditional builders used real wood, many newer designs imitate this look using man-made materials. These alternatives include vinyl (uPVC), aluminum, or fiber cement. These materials serve as lightweight alternatives to traditional wooden cladding. You can find clapboard styles on everything from small cottages and shops to large windmills. It remains a fundamental part of traditional building architecture across the globe.

674 words
🖼️ Images & Media (8)
File:Close-up of original quarter sawn riven oak clapboards in leanto attic.JPG
Close-up of original quarter sawn riven...
File:Stained wooden clapboard siding.jpg
Stained wooden clapboard siding.jpg
File:Saltbox Concord 2 cropped.jpg
Saltbox Concord 2 cropped.jpg
File:Facade detail with natural building materials, Tasmanian House by Jiri Lev.jpg
Facade detail with natural building...
File:Quaker Hill Historic District - 149 Old Norwich Rd, New London County CT.jpg
Quaker Hill Historic District - 149 Old...
File:Period weatherboard, Dunedin, NZ.jpg
Period weatherboard, Dunedin, NZ.jpg
File:Rare Weatherboard Terraces.jpg
Rare Weatherboard Terraces.jpg
File:Weatherboarded Cottage, Petteridge. - geograph.org.uk - 191922.jpg
Weatherboarded Cottage, Petteridge. -...
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