Timber used to form the basic structure of a building, such as studs and joists.
A comprehensive guide to the most common timber terms from A to Z.
Moisture which is present in the cell cavities of wood.
Fire resistance level - grading periods in minutes of the fire resistance of building elements for structural adequacy/integrity/and insulation
A plant that feeds on wood fibre. Fungi primarily consist of microscopic threads (hyphae) that traverse wood in all directions, dissolving materials out of the cell walls.
The shortest line between two points on a surface, such that a geodesic dome is segmented into a series of straight elements
An animal, mineral or vegetable adhesive.
Glue Laminated Timber
Laminated timber where the laminations are joined with adhesive. More on glulam
The designation of the quality of a piece of timber or other manufactured wood products in accordance with standard rules
1) The general direction of the fibres or wood elements relative to the main axis of the piece. 2) The direction, size, arrangement, appearance, or quality of the fibres in wood or timber
This is a loosely defined collection of land-use, building design, and construction strategies that reduces undesirable environmental impacts. Benefits of building green include reduced energy consumption, protection of ecosystems, and occupant health.
Unseasoned timber, with free moisture present in the cell cavities.
A system of orthogonal elements, usually beams or trusses, acting together to resist a common load.
Rings of early wood and latewood on the transverse section of a trunk or branch marking cycles of growth.
A natural exudation, also called kino, produced in trees as a result of fire or mechanical damage.
A ribbon of gum between growth rings, which may be bridged radially by wood tissue at intervals. Also known as kino
Plates, often steel or plywood, fixed by nails, bolts or other means to connect timber members in a truss or other frame structure. Gusset plates may be applied to one or both sides of a joint.
A pressed homogenous fibreboard having a mean density of not less than 800 kg/sq m.
A property of wood that enables it to resist indentation. It is measure in kN and is often determined by the Janka hardness test.
A general term for timber of broad leafed trees classified botanically as Angiosperm. The term has no reference to the relative hardness of the wood.
The wood making up the centre part of the tree, beneath the sapwood. Cells of heartwood no longer participate in the life processes of the tree. Heartwood may contain phenolic compounds, gums, resins, and other materials that usually make it darker and more decay resistant than sapwood.