Carpentry

Last updated
Carpentry
Indiacarpenter.jpg
Occupation
Occupation type
Professional
Activity sectors
Construction
Description
Education required
No
Carpentry includes such specialties as barrelmaker, cabinetmaker, framer, luthier, and ship's carpenter Cooper1.jpg
Carpentry includes such specialties as barrelmaker, cabinetmaker, framer, luthier, and ship's carpenter
Carpenter handling a plank used in scaffolding Fotothek df n-10 0000828.jpg
Carpenter handling a plank used in scaffolding
Exhibit of traditional European carpenter's tools in Italy Cervo100.jpg
Exhibit of traditional European carpenter's tools in Italy
Carpenters in an Indian village working with hand tools Indiacarpenter.jpg
Carpenters in an Indian village working with hand tools

Carpentry is a skilled trade and a craft in which the primary work performed is the cutting, shaping and installation of building materials during the construction of buildings, ships, timber bridges, concrete formwork, etc. Carpenters traditionally worked with natural wood and did rougher work such as framing, but today many other materials are also used [1] and sometimes the finer trades of cabinetmaking and furniture building are considered carpentry. In the United States, 98.5% of carpenters are male, and it was the fourth most male-dominated occupation in the country in 1999. In 2006 in the United States, there were about 1.5 million carpentry positions. Carpenters are usually the first tradesmen on a job and the last to leave. [2] Carpenters normally framed post-and-beam buildings until the end of the 19th century; now this old-fashioned carpentry is called timber framing. Carpenters learn this trade by being employed through an apprenticeship training—normally four years—and qualify by successfully completing that country's competence test in places such as the United Kingdom, the United States, Canada, Switzerland, Australia and South Africa. [3] It is also common that the skill can be learned by gaining work experience other than a formal training program, which may be the case in many places.

Contents

Carpentry covers various services, such as furniture design and construction, door and window installation or repair, flooring installation, trim and molding installation, custom woodworking, stair construction, structural framing, wood structure and furniture repair, and restoration.

Etymology

The word "carpenter" is the English rendering of the Old French word carpentier (later, charpentier) which is derived from the Latin carpentarius [artifex], "(maker) of a carriage." [4] The Middle English and Scots word (in the sense of "builder") was wright (from the Old English wryhta, cognate with work), which could be used in compound forms such as wheelwright or boatwright. [5]

In the United Kingdom

In the UK, carpentry is used to describe the skill involved in first fixing of timber items such as construction of roofs, floors and timber framed buildings, i.e. those areas of construction that are normally hidden in a finished building. An easy way to envisage this is that first fix work is all that is done before plastering takes place. The second fix is done after plastering takes place. Second fix work, the installation of items such as skirting boards, architraves, doors, and windows are generally regarded as carpentry, however, the off-site manufacture and pre-finishing of the items is regarded as joinery. [6] [7] Carpentry is also used to construct the formwork into which concrete is poured during the building of structures such as roads and highway overpasses. In the UK, the skill of making timber formwork for poured or in situ concrete is referred to as shuttering.

In the United States

Carpentry in the United States is historically defined similarly to the United Kingdom as the "heavier and stronger" [8] work distinguished from a joiner "...who does lighter and more ornamental work than that of a carpenter..." although the "...work of a carpenter and joiner are often combined." [9] Joiner is less common than the terms finish carpenter or cabinetmaker. The terms housewright and barnwright were used historically and are now occasionally used by carpenters who work using traditional methods and materials. Someone who builds custom concrete formwork is a form carpenter.

History

Log church building in Russia reached considerable heights such as this 17th century example Kizhi churches.jpg
Log church building in Russia reached considerable heights such as this 17th century example

Along with stone, wood is among the oldest building materials. The ability to shape it into tools, shelter, and weapons improved with technological advances from the Stone Age to the Bronze Age to the Iron Age. Some of the oldest archaeological evidence of carpentry are water well casings. These include an oak and hazel structure dating from 5256 BC, found in Ostrov, Czech Republic, [10] and one built using split oak timbers with mortise and tenon and notched corners excavated in eastern Germany, dating from about 7,000 years ago in the early Neolithic period. [11]

Relatively little history of carpentry was preserved before written language. Knowledge and skills were simply passed down over the generations. Even the advent of cave painting and writing recorded little. The oldest surviving complete architectural text is Vitruvius' ten books collectively titled De architectura, which discuss some carpentry.[ citation needed ] It was only with the invention of the printing press in the 15th century that this began to change, albeit slowly, with builders finally beginning to regularly publish guides and pattern books in the 18th and 19th centuries.

Some of the oldest surviving wooden buildings in the world are temples in China such as the Nanchan Temple built-in 782, Greensted Church in England, parts of which are from the 11th century, and the stave churches in Norway from the 12th and 13th centuries.

Europe

By the 16th century, sawmills were coming into use in Europe. The founding of America was partly based on a desire to extract resources from the new continent including wood for use in ships and buildings in Europe. In the 18th century part of the Industrial Revolution was the invention of the steam engine and cut nails. [12] These technologies combined with the invention of the circular saw led to the development of balloon framing which was the beginning of the decline of traditional timber framing.

Axonometric diagram of balloon framing EB1911 Carpentry Fig. 36 - Balloon Frame.jpg
Axonometric diagram of balloon framing

The 19th century saw the development of electrical engineering and distribution which allowed the development of hand-held power tools, wire nails, and machines to mass-produce screws. In the 20th century, portland cement came into common use and concrete foundations allowed carpenters to do away with heavy timber sills. Also, drywall (plasterboard) came into common use replacing lime plaster on wooden lath. Plywood, engineered lumber, and chemically treated lumber also came into use. [13]

Breve compendio de la carpinteria de lo blanco y tratado de alarifes (1727) Lopez de Arenas - Breve compendio de la carpinteria de lo blanco y tratado de alarifes, 1727 - 1427289.jpg
Breve compendio de la carpinteria de lo blanco y tratado de alarifes (1727)

For types of carpentry used in America see American historic carpentry.

Training

The Centre Pompidou-Metz museum under construction in Metz, France in 2009. The building possesses one of the most complex examples of carpentry built to date and is composed of 16 kilometers of glued laminated timber for a surface area of 8,000 m . Centre Pompidou-Metz chantier.JPG
The Centre Pompidou-Metz museum under construction in Metz, France in 2009. The building possesses one of the most complex examples of carpentry built to date and is composed of 16 kilometers of glued laminated timber for a surface area of 8,000 m .

Carpentry requires training which involves both acquiring knowledge and physical practice. In formal training a carpenter begins as an apprentice, then becomes a journeyman, and with enough experience and competency can eventually attain the status of a master carpenter. Today pre-apprenticeship training may be gained through non-union vocational programs such as high school shop classes and community colleges.

Informally a laborer may simply work alongside carpenters for years learning skills by observation and peripheral assistance. While such an individual may obtain journeyperson status by paying the union entry fee and obtaining a journeyperson's card (which provides the right to work on a union carpentry crew) the carpenter foreperson will, by necessity, dismiss any worker who presents the card but does not demonstrate the expected skill level.

Carpenters may work for an employer or be self-employed. No matter what kind of training a carpenter has had, some U.S. states require contractors to be licensed which requires passing a written test and having minimum levels of insurance.

Schools and programs

Formal training in the carpentry trade is available in seminars, certificate programs, high-school programs, online classes, in the new construction, restoration, and preservation carpentry fields. [14] Sometimes these programs are called pre-apprenticeship training.

In the modern British construction industry, carpenters are trained through apprenticeship schemes where general certificates of secondary education (GCSE) in Mathematics, English, and Technology help but are not essential. However, this is deemed the preferred route, as young people can earn and gain field experience whilst training towards a nationally recognized qualification.

There are two main divisions of training: construction-carpentry and cabinetmaking. During pre-apprenticeship, trainees in each of these divisions spend 30 hours a week for 12 weeks in classrooms and indoor workshops learning mathematics, trade terminology, and skill in the use of hand and power tools. Construction-carpentry trainees also participate in calisthenics to prepare for the physical aspect of the work.

Upon completion of pre-apprenticeship, trainees who have passed the graded curriculum (taught by highly experienced journeyperson carpenters) are assigned to a local union and to union carpentry crews at work on construction sites or in cabinet shops as First Year Apprentices. Over the next four years, as they progress in status to Second Year, Third Year, and Fourth Year Apprentice, apprentices periodically return to the training facility every three months for a week of more detailed training in specific aspects of the trade.

In the United States, fewer than 5% of carpenters identify as female. A number of schools in the U.S. appeal to non-traditional tradespeople by offering carpentry classes for and taught by women, including Hammerstone: Carpentry for Women in Ithaca, NY, Yestermorrow in Waitsfield, VT and Oregon Tradeswomen in Portland, OR.

Apprenticeships and journeyperson

Tradesmen in countries such as Germany and Australia are required to fulfill formal apprenticeships (usually three to four years) to work as professional carpenters. Upon graduation from the apprenticeship, they are known as journeyperson carpenters.

Up through the 19th and even the early 20th century, the journeyperson traveled to another region of the country to learn the building styles and techniques of that area before (usually) returning home. In modern times, journeypeople are not required to travel, and the term now refers to a level of proficiency and skill. Union carpenters in the United States, that is, members of the United Brotherhood of Carpenters and Joiners of America, are required to pass a skills test to be granted official journeyperson status, but uncertified professional carpenters may also be known as journeypersons based on their skill level, years of experience, or simply because they support themselves in the trade and not due to any certification or formal woodworking education.

Professional status as a journeyperson carpenter in the United States may be obtained in a number of ways. Formal training is acquired in a four-year apprenticeship program administered by the United Brotherhood of Carpenters and Joiners of America, in which journeyperson status is obtained after successful completion of twelve weeks of pre-apprenticeship training, followed by four years of on-the-job field training working alongside journeyperson carpenters. The Timber Framers Guild also has a formal apprenticeship program for traditional timber framing. Training is also available in groups like the Kim Bồng woodworking village in Vietnam where apprentices live and work to learn woodworking and carpentry skills.

In Canada, each province sets its own standards for apprenticeship. The average length of time is four years and includes a minimum number of hours of both on-the-job training and technical instruction at a college or other institution. Depending on the number of hours of instruction an apprentice receives, they can earn a Certificate of Proficiency, making them a journeyperson, or a Certificate of Qualification, which allows them to practice a more limited amount of carpentry. Canadian carpenters also have the option of acquiring an additional Interprovincial Red Seal that allows them to practice anywhere in Canada. The Red Seal requires the completion of an apprenticeship and an additional examination.

Master carpenter

After working as a journeyperson for a while, a carpenter may go on to study or test as a master carpenter. In some countries, such as Germany, Iceland and Japan, this is an arduous and expensive process, requiring extensive knowledge (including economic and legal knowledge) and skill to achieve master certification; these countries generally require master status for anyone employing and teaching apprentices in the craft. In others, like the United States, 'master carpenter' can be a loosely used term to describe any skilled carpenter.

Fully trained carpenters and joiners will often move into related trades such as shop fitting, scaffolding, bench joinery, maintenance and system installation.

Materials

Carpenters traditionally worked with natural wood which has been prepared by splitting (riving), hewing, or sawing with a pit saw or sawmill called lumber (American English) or timber (British English). Today natural and engineered lumber and many other building materials carpenters may use are typically prepared by others and delivered to the job site. In 2013 the carpenters union in America used the term carpenter for a catch-all position. Tasks performed by union carpenters include installing "...flooring, windows, doors, interior trim, cabinetry, solid surface, roofing, framing, siding, flooring, insulation, ...acoustical ceilings, computer-access flooring, metal framing, wall partitions, office furniture systems, and both custom or factory-produced materials, ...trim and molding,... ceiling treatments, ... exposed columns and beams, displays, mantels, staircases...metal studs, metal lath, and drywall..." [15]

Health and safety

United States

Carpentry is often hazardous work. Types of woodworking and carpentry hazards include: machine hazards, flying materials, tool projection, fire and explosion, electrocution, noise, vibration, dust, and chemicals. In the United States the Occupational Safety and Health Administration (OSHA) tries to prevent illness, injury, and fire through regulations. However, self-employed workers are not covered by the OSHA act. [16] OSHA claims that "Since 1970, workplace fatalities have been reduced by more than 65 percent and occupational injury and illness rates have declined by 67 percent. At the same time, U.S. employment has almost doubled." [17] The leading cause of overall fatalities, called the "fatal four," are falls, followed by struck by object, electrocution, and caught-in/between. In general construction "employers must provide working conditions that are free of known dangers. Keep floors in work areas in a clean and, so far as possible, dry condition. Select and provide required personal protective equipment at no cost to workers. Train workers about job hazards in a language that they can understand." [18] Examples of how to prevent falls includes placing railings and toe-boards at any floor opening which cannot be well covered and elevated platforms and safety harness and lines, safety nets, stair railings, and handrails.

Safety is not just about the workers on the job site. Carpenters' work needs to meet the requirements in the Life Safety Code such as in stair building and building codes to promote long-term quality and safety for the building occupants.

Types

Other

See also

Related Research Articles

<span class="mw-page-title-main">Woodworking</span> Process of making objects from wood

Woodworking is the skill of making items from wood, and includes cabinetry, furniture making, wood carving, joinery, carpentry, and woodturning.

<span class="mw-page-title-main">Lumber</span> Wood that has been processed into beams and planks

Lumber is wood that has been processed into uniform and useful sizes, including beams and planks or boards. Lumber is mainly used for construction framing, as well as finishing. Lumber has many uses beyond home building. Lumber is referred to as timber in the United Kingdom, Europe, Australia, and New Zealand, while in other parts of the world the term timber refers specifically to unprocessed wood fiber, such as cut logs or standing trees that have yet to be cut.

<span class="mw-page-title-main">Joinery</span> Where pieces of wood are fixed together in an assembly

Joinery is a part of woodworking that involves joining pieces of wood, engineered lumber, or synthetic substitutes, to produce more complex items. Some woodworking joints employ mechanical fasteners, bindings, or adhesives, while others use only wood elements.

A journeyman is a worker, skilled in a given building trade or craft, who has successfully completed an official apprenticeship qualification. Journeymen are considered competent and authorized to work in that field as a fully qualified employee. They earn their license by education, supervised experience and examination. Although journeymen have completed a trade certificate and are allowed to work as employees, they may not yet work as self-employed master craftsmen.

<span class="mw-page-title-main">Tradesperson</span> Skilled specialist

A tradesperson or tradesman/woman is a skilled worker that specialises in a particular trade. Tradespeople (tradesmen/women) usually gain their skills through work experience, on-the-job training, an apprenticeship programme or formal technical education.

<span class="mw-page-title-main">Framing (construction)</span> Construction technique

Framing, in construction, is the fitting together of pieces to give a structure support and shape. Framing materials are usually wood, engineered wood, or structural steel. The alternative to framed construction is generally called mass wall construction, where horizontal layers of stacked materials such as log building, masonry, rammed earth, adobe, etc. are used without framing.

<span class="mw-page-title-main">Japanese carpentry</span> Distinctive woodworking style

Japanese carpentry was developed more than a millennium ago that is known for its ability to create everything from temples to houses to tea houses to furniture by wood with the use of few nails.

<span class="mw-page-title-main">Butt joint</span> Techniques to join two pieces of wood together

A butt joint is a wood joint in which the end of a piece of material is simply placed against another piece. The butt joint is the simplest joint. An unreinforced butt joint is also the weakest joint, as it provides a limited surface area for gluing and lacks any mechanical interlocking to resist external forces.

<span class="mw-page-title-main">André Jacob Roubo</span>

André Jacob Roubo (1739–1791) was a French carpenter, cabinetmaker and author. Roubo was born and died in Paris, and was the son and grandson of master cabinetmakers. Roubo wrote several highly influential books on woodworking, an achievement which was especially notable given his relatively poor background and self-taught methods.

This glossary of woodworking lists a number of specialized terms and concepts used in woodworking, carpentry, and related disciplines.

Traditional trades is a loosely defined categorization of building trades who actively practice their craft in respect of historic preservation, heritage conservation, or the conserving and maintenance of the existing built environment. Though traditional trade practitioners may at times be involved in new construction, the emphasis of the categorization is toward work on existing structures, regardless of their age or their historic value, with a specific interest in replication or conservation of the original results and craft techniques.

<span class="mw-page-title-main">Kim Bồng woodworking village</span>

Kim Bồng woodworking village is a village located in Cẩm Kim commune, Hội An, Quảng Nam Province, most notable for its carpentry and traditional woodworking products. Established in the 15th century, it reached its peak in the 18th century, during which time village craftsmen contributed their skills in woodworking to many different projects, including the imperial capital in Huế. Using their shipbuilding skills, they supplied ships and ghe bầu for the activities of the busy commercial port of Hội An.

<span class="mw-page-title-main">Shaker Shed</span>

The Shaker Shed is an exhibit building at Shelburne Museum in Shelburne, Vermont. It exhibits the museum's collection of hand-tools and household equipment.

<span class="mw-page-title-main">Bush carpentry</span> Improvised building methods, in Australian English

Bush carpentry is an expression used in Australia and New Zealand that refers to improvised methods of building or repair, using available materials and an ad hoc design, usually in a pioneering or rural context.

<span class="mw-page-title-main">Timber Framers Guild</span>

The Timber Framers Guild is a non-profit, international, membership organization established in 1984 in the United States to improve the quality and education of people practicing the millennia-old art of Timber framing buildings and other structures with beams joined with primarily wooden joints. Today the stated goals of the Guild are to provide "... national and regional conferences, sponsoring projects and workshops, and publishing a monthly newsletter, Scantlings, and a quarterly journal, Timber Framing " In 2019, the Guild purchased the Heartwood School, which had been established in 1978 to teach skills and knowledge required for building energy-efficient homes and now focuses on timber framing, serving beginning to advanced students.

<span class="mw-page-title-main">American historic carpentry</span>

American historic carpentry is the historic methods with which wooden buildings were built in what is now the United States since European settlement. A number of methods were used to form the wooden walls and the types of structural carpentry are often defined by the wall, floor, and roof construction such as log, timber framed, balloon framed, or stacked plank. Some types of historic houses are called plank houses but plank house has several meanings which are discussed below. Roofs were almost always framed with wood, sometimes with timber roof trusses. Stone and brick buildings also have some wood framing for floors, interior walls and roofs.

<span class="mw-page-title-main">City of Oxford College</span> Further education college in Oxford, Oxfordshire, England

City of Oxford College is a further education college in Oxford, England. It has two campuses: the City Centre campus in Oxford city centre, and the Technology Campus in Blackbird Leys, south-east of Oxford city.

cadwork informatik CI AG is a multinational software company headquartered in Basel, Switzerland. It develops and markets software products primarily for the construction industry. These products include timber industry products in computer-aided design (CAD) and computer-aided manufacturing (CAM) as well as products in building information model (BIM) and virtual design and construction (VDC). These products are suitable for designers, structural engineers, construction engineers, civil engineering draftspeople, building contractors, and in the case of BIMTeam VDC, the construction crews.

References

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