Table 2. Rating system of protection level against termite attack

Rating	Criteria
10	No attack or a few nibbles present
9	Small tunnel on the surface, < 3% of the cross-sectional area affected at any location
7	Termite attack affects 10%–25% of the cross-sectional area at any location
4	Termite attack affects > 50% of the cross-sectional area at one location, but the specimen has not failed
0	Failure

Adapted from Hadi et al. (2016) with CC-BY.