The purpose was to establish the best suited tannin kind and optimal concentration necessary to guarantee effective resistance in opposition to decay. Tannins demonstrated their efficacy in suppressing brown-rot fungal assaults when no leaching was carried out ahead of the decay evaluation. In the same vein, Da Silvera et al. https://durablewoodpaint.school.blog/2025/04/19/how-to-choose-a-durable-paint-that-stands-the-test-of-time/