Skip to content

Construction, standards and environment

DC

Abbreviation for durability class

In short and in plain language

DC is a class for timber.

It shows how well a wood resists fungi that destroy it.

The classes go from very durable to not durable. They are set out in a standard.

Definition
DC stands for durability class, the rating of how resistant a timber is to wood-destroying fungi. The classes are set out in a European standard and range from very durable to not durable. The rating is usually given for the heartwood.