A to Z index - all terms and descriptions


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Term Short Description
Durability rating A value in a four-class rating system indicating a level of resistance to fungal organisms that cause decay (rot). >Read more
EMC Equilibrium moisture content - the moisture content to which timber approaches where it would neither lose nor gain moisture from the surroundings.
Environment Environment of the installed building member (exposed, in-ground or protected) >Read more
Europe Europe >Read more
EWPAA Engineered Wood Products Association of Australasia.
Exposed Building member is built in an exposed or above-ground environment, not fully protected from weather. >Read more
F Firm >Read more
F11 The stress grade classification of a piece of timber for structural purposes (to the relevant Australian Standard) to indicate its characteristic structural properties and stiffness. >Read more
F14 The stress grade classification of a piece of timber for structural purposes (to the relevant Australian Standard) to indicate its characteristic structural properties and stiffness. >Read more
F17 The stress grade classification of a piece of timber for structural purposes (to the relevant Australian Standard) to indicate its characteristic structural properties and stiffness. >Read more
F22 The stress grade classification of a piece of timber for structural purposes (to the relevant Australian Standard) to indicate its characteristic structural properties and stiffness. >Read more
F27 The stress grade classification of a piece of timber for structural purposes (to the relevant Australian Standard) to indicate its characteristic structural properties and stiffness. >Read more
F34 The stress grade classification of a piece of timber for structural purposes (to the relevant Australian Standard) to indicate its characteristic structural properties and stiffness. >Read more
F4 A stress grade classification of softwood timber for structural purposes. F4 applies only to softwoods (Pinus, Picea, Larix, Araucaria and Abies species). >Read more
F5 A stress grade classification of softwood timber for structural purposes. F5 applies only to softwoods (Pinus, Picea, Larix, Araucaria and Abies species). >Read more
F7 A stress grade classification of softwood timber for structural purposes. F7 applies only to softwoods (Pinus, Picea, Larix, Araucaria and Abies species). >Read more
F8 A stress grade classification of softwood timber for structural purposes. F8 pplies only to softwoods (Pinus, Picea, Larix, Araucaria and Abies species). >Read more
Genera Plural form of genus, a taxonomic category.
Genus A taxonomic category between family and species. It may include several species that exhibit similar botanical characteristics.
GLTAA Glued Laminated Timber Association of Australia