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Lumber (American English; timber in Australian English, British English, Hiberno-English, and New Zealand English) is wood that has been processed into beams and planks, a stage in the process of wood production. [1]

89 relations: Americas, ASTM International, Barnea similis, Batten, Beam (structure), Biomass, Board foot, Canada, Carpenter ant, Carpenter bee, Carpentry, Cedrus, Chromated copper arsenate, Cubic ton, Cylinder (geometry), Deck (building), Deep foundation, Deforestation, Door, Douglas fir, Dowel, Dry rot, Engineered wood, Fiberglass, Finger joint, Fir, Flame spread, Flexural strength, Forestry, Formwork, Framing (construction), Furniture, Girt, Glued laminated timber, Hardwood, Hardwood timber production, Heart rot, Hewing, Hiberno-English, I-joist, Inch, Joist, Laminated veneer lumber, Lath, List of Pinus species, List of woods, Logging, Lumberjack, Non-timber forest product, Old-growth forest, ..., Pine, Pinophyta, Pinus resinosa, Plank (wood), Post (structural), Pulpwood, Quarter sawing, Rafter, Resaw, Rift sawing, Rip saw, Sawmill, Scaffolding, Sill plate, Softwood, Southern yellow pine, Spruce, Spruce-pine-fir, Termite, Timber framing, Timber recycling, Trunk (botany), Truss, Tsuga, United States, United States Department of Agriculture, United States Secretary of Commerce, Utility pole, Wall plate, Wall stud, Wood, Wood drying, Wood economy, Wood preservation, Wood production, Wood splitting, Wood-decay fungus, Woodboring beetle, Woodworking. Expand index (39 more) »


The Americas, or America,"America." The Oxford Companion to the English Language (ISBN 0-19-214183-X).

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ASTM International

ASTM International, known until 2001 as the American Society for Testing and Materials (ASTM), is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services.

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Barnea similis

Barnea similis, a rock borer or piddock, is a marine bivalve mollusc in the family Pholadidae.

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Batten has multiple meanings in construction and shipbuilding but is generally a strip of solid material, historically made from wood but can also be made from plastic, metal, or fiberglass.

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Beam (structure)

A beam is a structural element that is capable of withstanding load primarily by resisting bending.

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Biomass is biological material derived from living, or recently living organisms.

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Board foot

The board-foot is a specialized unit of measure for the volume of lumber in the United States and Canada.

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Canada is a country, consisting of ten provinces and three territories, in the northern part of the continent of North America.

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Carpenter ant

Carpenter ants (Camponotus spp.), also known as sugar ants, are large ants indigenous to many forested parts of the world.

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Carpenter bee

Carpenter bees (the genus Xylocopa in the subfamily Xylocopinae) are large bees distributed worldwide.

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Carpentry is a skilled trade 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.

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Cedrus (common name Cedar) is a genus of coniferous trees in the plant family Pinaceae.

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Chromated copper arsenate

Chromated copper arsenate (CCA) is a wood preservative that has been used for timber treatment since the mid-1930s.

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Cubic ton

The cubic ton is a measure of volume (compare fluid ounce).

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Cylinder (geometry)

A cylinder (from Greek κύλινδρος – kulindros, "roller, tumbler") is one of the most basic curvilinear geometric shapes, the surface formed by the points at a fixed distance from a given straight line, the axis of the cylinder.

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Deck (building)

In architecture, a deck is a flat surface capable of supporting weight, similar to a floor, but typically constructed outdoors, often elevated from the ground, and usually connected to a building.

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Deep foundation

A deep foundation is a type of foundation which transfers building loads to the earth farther down from the surface than a shallow foundation does, to a subsurface layer or a range of depths.

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Deforestation, clearance or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use.

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A door is a moving structure used to block off, and allow access to, an entrance to or within an enclosed space, such as a building or vehicle.

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Douglas fir

Douglas fir, with the scientific name Pseudotsuga menziesii, also known as Oregon pine or Douglas spruce, is an evergreen conifer species native to western North America.

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A dowel is a solid cylindrical rod, usually made of wood, plastic, or metal.

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Dry rot

Dry rot is wood decay caused by certain species of fungi that digest parts of the wood which give the wood strength and stiffness.

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Engineered wood

Engineered wood, also called composite wood, man-made wood, or manufactured board; includes a range of derivative wood products which are manufactured by binding or fixing the strands, particles, fibers, or veneers or boards of wood, together with adhesives, or other methods of fixation to form composite materials.

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Fiberglass (or fibreglass) is a type of fiber reinforced plastic where the reinforcement fiber is specifically glass fiber.

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Finger joint

A finger joint, also known as a comb or box joint, is a woodworking joint made by cutting a set of complementary rectangular cuts in two pieces of wood, which are then glued.

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Firs (Abies) are a genus of 48–56 species of evergreen coniferous trees in the family Pinaceae.

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Flame spread

Flame spread or surface burning characteristics rating is a ranking derived by laboratory standard test methodology of a material's propensity to burn rapidly and spread flames.

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Flexural strength

Flexural strength, also known as modulus of rupture, bend strength, or fracture strength, is a material property, defined as the stress in a material just before it yields in a flexure test.

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Forestry is the science and craft of creating, managing, using, conserving, and repairing forests and associated resources to meet desired goals, needs, and values for human benefit.

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Formwork is the term given to either temporary or permanent molds into which concrete or similar materials are poured.

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Framing (construction)

Framing, in construction is the fitting together of pieces to give a structure support and shape and sometimes is used as a noun such as "the framing" or "framing members".

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Furniture is the mass noun for the movable objects intended to support various human activities such as seating (e.g., chairs, stools and sofas) and sleeping (e.g., beds).

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In architecture or structural engineering, a girt is a horizontal structural member in a framed wall.

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Glued laminated timber

Glued laminated timber, also called glulam, is a type of structural timber product comprising a number of layers of dimensioned timber bonded together with durable, moisture-resistant structural adhesives.

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Hardwood is wood from dicot angiosperm trees.

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Hardwood timber production

Hardwood timber production is the process of managing stands of deciduous trees to maximize woody output.

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Heart rot

The bracket fungus ''Fistulina hepatica'' is one of many that cause heart rot. In trees, heart rot is a fungal disease that causes the decay of wood at the center of the trunk and branches.

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In woodworking hewing is the process of converting a log from its rounded natural form into lumber (timber) with more or less flat surfaces using primarily an axe.

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Hiberno‐English or Irish English is the set of English dialects natively written and spoken within the Republic of Ireland as well as Northern Ireland.

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An engineered wood joist, more commonly known as an I-joist, is a product designed to eliminate problems that occur with conventional wood joists.

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An inch (plural: inches; abbreviation or symbol: in or ″ – a double prime) is a unit of length in the imperial and United States customary systems of measurement.

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In architecture and engineering, a joist is one of the horizontal supporting members that run between foundations, walls, or beams to support a ceiling or floor.

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Laminated veneer lumber

Laminated veneer lumber (LVL) is an engineered wood product that uses multiple layers of thin wood assembled with adhesives.

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A lath is a thin, narrow strip of straight-grained wood used under roof shingles or tiles, on lath and plaster walls and ceilings to hold plaster, and in lattice and trellis work.

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List of Pinus species

There are three main subgenera of '''''Pinus''''', the subgenus Strobus (white pines or soft pines), the subgenus Ducampopinus (Pinyon, Bristlecone and Lacebark pines), and the subgenus Pinus (typical pines, or yellow or hard pines).

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List of woods

This is a list of woods, in particular those most commonly used in the timber and lumber trade.

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Logging is the cutting, skidding, on-site processing, and loading of trees or logs onto trucks or skeleton cars.

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Lumberjacks are workers in the logging industry who perform the initial harvesting and transport of trees for ultimate processing into forest products.

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Non-timber forest product

Non-timber forest products (NTFPs), also special, non-wood, minor, alternative and secondary forest products, are useful substances, materials and/or commodities obtained from forests which do not require harvesting (logging) trees.

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Old-growth forest

An old-growth forest (also termed primary forest, virgin forest, primeval forest, late seral forest, or in Britain, ancient woodland) is a forest that has attained great age without significant disturbance and thereby exhibits unique ecological features and might be classified as a climax community.

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Pines are conifer trees in the genus Pinus, in the family Pinaceae.

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The conifers, division Pinophyta, also known as division Coniferophyta or Coniferae, are one of 12 extant division-level taxa within the Kingdom Plantae (Viridiplantae) and 10 within the extant land plants.

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Pinus resinosa

Pinus resinosa, known as red pine, is a pine native to North America.

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Plank (wood)

A plank is timber that is flat, elongated, and rectangular with parallel faces that are higher and longer than wide.

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Post (structural)

A post is a main vertical or leaning support in a structure similar to a column or pillar but the term post generally refers to a timber but may be metal or stone.

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Pulpwood refers to timber with the principal use of making wood pulp for paper production.

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Quarter sawing

Quarter sawing is a type of cut in the rip-sawing of logs into lumber.

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A rafter is one of a series of sloped structural members (beams) that extend from the ridge or hip to the wall plate, downslope perimeter or eave, and that are designed to support the roof deck and its associated loads.

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A resaw is a large band saw optimized for cutting timber along the grain to reduce larger sections into smaller sections or veneers.

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Rift sawing

Schematic Riftsawn log using a common technique Rift sawing (radially sawing) is a technique of cutting boards from logs radially so the annual rings are nearly 90° to the faces.

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Rip saw

A rip saw is a wood saw that is specially designed for making a rip cut, a cut made parallel to the direction of the wood grain.

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A sawmill is a facility where logs are cut into lumber.

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Scaffolding, also called scaffold or staging, is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other man made structures.

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Sill plate

A sill plate or sole plate in construction and architecture is the bottom horizontal member of a wall or building to which vertical members are attached.

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Softwood is wood from gymnosperm trees such as conifers.

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Southern yellow pine

Southern yellow pine (often abbreviated SYP) doesn't refer to any one species of tree, but rather a group of three-needle pine species which are classified as yellow pine (as opposed to white pine), and are native to the Southern United States.

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A spruce is a tree of the genus Picea, a genus of about 35 species of coniferous evergreen trees in the Family Pinaceae, found in the northern temperate and boreal (taiga) regions of the earth.

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Part of a larger group of tree species known as softwoods, in the wood industry, Spruce-pine-fir refers to Canadian woods of similar characteristics that have been grouped for production and marketing.

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Termites are eusocial insects that are classified at the taxonomic rank of infraorder Isoptera, or as epifamily Termitoidae within the cockroach order Blattodea.

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Timber framing

Timber framing and "post-and-beam" construction are methods of building with heavy timbers rather than dimensional lumber such as 2"x4"s.

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Timber recycling

Timber recycling or Wood recycling is the process of turning waste timber into usable products.

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Trunk (botany)

In botany, trunk (or bole) refers to the main wooden axis of a tree, which is an important diagnostic feature in tree identification, and which often differs markedly from the bottom of the trunk to the top, depending on the species.

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In engineering, a truss is a structure that "consists of two-force members only, where the members are organized so that the assemblage as a whole behaves as a single object".

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Tsuga (from 栂 (ツガ), the name of Tsuga sieboldii) is a genus of conifers in the pine family Pinaceae.

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United States

The United States of America (USA), commonly referred to as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major territories and various possessions.

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United States Department of Agriculture

The United States Department of Agriculture (USDA), also known as the Agriculture Department, is the U.S. federal executive department responsible for developing and executing federal government policy on farming, agriculture, forestry, and food.

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United States Secretary of Commerce

The United States Secretary of Commerce is the head of the United States Department of Commerce.

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Utility pole

A utility pole is a column or post used to support overhead power lines and various other public utilities, such as cable, fibre optic cable, and related equipment such as transformers and street lights.

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Wall plate

A plate or wall plate is a horizontal, structural, load-bearing member in wooden building framing.

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Wall stud

A wall stud is a vertical framing member in a building's wall of smaller cross section than a post.

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Wood is a porous and fibrous structural tissue found in the stems and roots of trees and other woody plants.

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Wood drying

Wood drying (also seasoning lumber or wood seasoning) reduces the moisture content of wood before its use.

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Wood economy

The existence of a wood economy, or more correctly, a forest economy (since in many countries a bamboo economy predominates), is a prominent matter in many developing countries as well as in many other nations with temperate climate and especially in those with low temperatures.

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Wood preservation

All measures that are taken to ensure a long life of wood fall under the definition wood preservation (timber treatment).

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Wood production

Timber and wood products are created from trees.

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Wood splitting

Wood splitting (riving,"Riving" def. 1.b. Oxford English Dictionary Second Edition on CD-ROM (v. 4.0) © Oxford University Press 2009 cleaving) is an ancient technique used in carpentry to make lumber for making wooden objects, some basket weaving, and to make firewood.

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Wood-decay fungus

A wood-decay fungus is a variety of fungus that digests moist wood, causing it to rot.

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Woodboring beetle

The term woodboring beetle encompasses many species and families of beetles whose larval or adult forms eat and destroy wood (i.e., are xylophagous).

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Woodworking is the activity or skill of making items from wood, and includes wood carving, joinery, and carpentry.

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[1] https://en.wikipedia.org/wiki/Lumber

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