Plywood - Biological durability - Guidance for the assessment of plywood for use in different use classes

This document provides guidelines for assessing the suitability of plywood across various service classes based on its biological durability. It outlines methods to evaluate how plywood performs under different environmental conditions that may promote fungal growth or insect attack. The content focuses on practical approaches to determine the expected service life of wood-based panels when exposed to specific moisture levels, temperature variations, and biological hazards. Detailed procedures are included for classification purposes, helping stakeholders understand the performance limits of materials in real-world applications. The guidance supports informed decision-making regarding material selection for construction and furniture industries. By establishing clear criteria, it facilitates consistent evaluation practices without requiring extensive testing in every project scenario. This approach ensures that products meet necessary resistance requirements for their intended use environments. The information serves as a technical reference for engineers, manufacturers, and testing laboratories involved in product certification and quality assurance processes.