BS EN 335. Durability of wood & wood-based products. Use classes. definitions, application to solid wood & wood based panels Wood products, Wood, Biological hazards, Moisture, Eumycophyta, Coleoptera, Grades (quality), Definitions, Wood-boring organisms, Classification systems, Biodegradability, Solid (shape), Durability, Selection, Plywood, Particle boards, Fibre building board, Woodbased sheet materials, Wood preservation, Pest damage, Pest-resistance tests, Fungus proofing