* Balsa Wood: This is often considered the lightest wood in the world, with a density around 0.11 - 0.25 g/cm³. It is known for its incredible lightness, buoyancy, and insulation properties.
* Paulownia: Also known as Empress Tree or Kiri tree, this wood is very light and strong. It has a density around 0.25 - 0.45 g/cm³ and is often used for furniture, musical instruments, and even airplanes.
* Bamboo: While technically a grass, it can be used as a building material and is extremely lightweight. The density can vary depending on the species but is generally around 0.4 - 0.6 g/cm³.
* White Cedar: Known for its distinctive aromatic scent and resistance to decay, White Cedar is a lightweight and softwood with a density around 0.3 - 0.4 g/cm³.
* Redwood: While not as light as some other options, Redwood is still considered a lightweight wood with a density around 0.4 - 0.6 g/cm³. It is known for its durability and resistance to decay.
Ultimately, the "best" light timber for your needs will depend on your specific application and desired properties.