tech

Tall buildings are increasingly made from thick engineered wood panels, with layers of timber glued at right angles instead of steel or concrete frames.

What is this category of layered engineered wood for tall buildings called?

Q: What is this category of layered engineered wood for tall buildings called?

Mass timber. Mass timber, such as cross-laminated timber (CLT), bonds layers of wood crosswise for great strength. It stores carbon and resists fire surprisingly well, because thick wood chars on the outside and burns slowly.

Mass timber ✓
Plywood veneer
Particle board

Mass timber
Mass timber, such as cross-laminated timber (CLT), bonds layers of wood crosswise for great strength. It stores carbon and resists fire surprisingly well, because thick wood chars on the outside and burns slowly.

Mass timber is the category of layered engineered wood used for these tall buildings, made by bonding layers of solid timber together, often glued at right angles to one another in a technique called cross-lamination, which gives the resulting panels strength and stability comparable to steel or concrete while remaining made almost entirely of wood.

Plywood veneer refers to thin sheets of wood glued together, typically used for lighter applications like furniture and sheathing rather than structural panels for multi-story buildings. Particle board is made from compressed wood chips and adhesive, a lower-strength material used mainly in furniture and interior applications, not structural high-rise construction.

Mass timber buildings store the carbon absorbed by the trees during their growth, and thick timber panels also resist fire surprisingly well, since the outer wood chars and forms a protective layer that slows the burning of the wood underneath.

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