Best Core Material and Manufacturers for 18mm Blockboard: 2026 Guide
When determining what core material 18mm blockboard has the best capacity for nail-holding and bear-loading, the direct answer is a solid hardwood core, specifically full eucalyptus. Eucalyptus wood is very dense. This wood gives high mechanical strength. It also gives strong screw retention. The wood adds long-term structural stability under heavy loads. For buyers asking…