Red Grandis Timber Cladding

Tech Specs

Botanical Name: Eucalyptus Grandis

Wood Type: Hardwood

Origin: Uruguay

Sustainability: All from well managed forests, certification available on request

Durability: Moderately Durable class 3 as per BS8417

Stability: Medium

Density: 600 kg per m3

Thermal Conductivity Rating: 0.18 W/(m K)

Reaction To Fire: D-s2, d0

Availability: Sawn and planed products mainly 25mm thick in a range of widths

Typical Commercially Available Grades in the UK : Packed as a combination of First and Second Grade


Red Grandis has full FSC certification and is a very stable and dense timber with a durability class of 3 meaning that untreated it is rated as moderately durable.


Red Grandis is a straight grained hardwood timber of the Eucalyptus family. Sourced from Uruguay, it is a fast grown hardwood and it is harvested at around 20 years old when it has reached a diameter of around 60cm.
The trees are tall and straight giving it a good straight grain and the forests are well managed and regular pruning ensures there are minimal knots.

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