The Metropol Parasol, Seville, Spain, by Jürgen Mayer H and engineered by Arup, completed 2011. One of the largest wooden structures ever built, it is made from Kerto laminated veneer lumber (LVL) with a polyurethane resin (PUR) weather resistant coating.
Trælasthuset (The Timber House) is a parking garage in Nordhavn, Copenhagen, by Vilhelm Lauritzen Arkitekter, completed 2002. The cladding consists of laminated glass, recycled aluminium and Thermwood pine.
Accoya acetylated (pickled) wood produced with sustainable managed, fast growing radiata pine. It is dimensionally stable, offers outstanding durability (25 years in ground and 50 years above ground outdoors), takes coatings well, machines well is non-toxic and recyclable with other wood.
Courtyard door in pine before painting. Timber be used in load bearing applications is machine stress rated (MSR) - graded according to strength class. For example, C16 and C24. Graded timber is generally kiln dried (moisture content is reduced to required levels in a kiln), although can also be wet graded (which is moisture content at ambient levels and not kiln dried).
Timber frame house construction modules being assembled in a factory. Made from nailed pine frames, with oriented strand board (OSB) skins, they arrive on-site ready for installation. Lumber to be used in load bearing applications is machine stress rated (MSR). This is a non-destructive method used to check and validate the strength of the timber to a pre-determined load.
Botany town centre, Auckland, New Zealand, by Ignite Architects, 2019. The transparent ethylene tetrafluoroethylene (ETFE) roof, produced by Vector Foiltec, is supported by curved Radiata pine glulam engineered wood beams. Image Vector Foiltec.
Trus Joist (TJI) I-beams for timber frame construction, floors and pre-fabricated modules, produced in continuous lengths from laminated veneer lumber (LVL) with webs in oriented strand board (OSB).
Timber frame house construction modules being assembled in a factory. Made from nailed pine frames, with oriented strand board (OSB) skins, they arrive on-site ready for installation. Lumber to be used in load bearing applications is machine stress rated (MSR). This is a non-destructive method used to check and validate the strength of the timber to a pre-determined load.
Mixed concrete block and timber frame construction. Load bearing interior walls in medium-density concrete block, with floor cassettes in engineered wood I-beams, with particleboard skins.
Pfeifer cross laminated timber (CLT). This is a solid, multi-layer timber construction used for load bearing and structural applications. Image Pfeifer.
Presswood, or pressed wood, is a type of particleboard made up of various recycled wood products - fibre, flour, particles and chips - including damaged logs, wood waste and other wood byproducts. This helps to divert material from landfill. Utilised mainly for reusable pallets, the material is weather-resistant and durable. They are designed to be lighter than traditional hardwood pallets. At the end of its life the material can be recycled.
Dinesen seesaw, by Christian+Jade for the Weight of Wood exhibition, 2023, is half oak and half Douglas fir - it will always tilt towards the oak side, due to the weight difference. It is displayed on a colour-oiled solid pine floor
Spot Material is a database of materials for sustainable design, curated by Rob Thompson. Compare properties, carbon and end of life, find better alternatives and discover new material innovations. Browse all materials
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