CLT Floor Fire Design

We’re excited to launch the long-awaited Fire Design module for CLT floors, now available alongside the ambient design calculator on CLT Toolbox.

This tutorial walks through how the new module works, including which standards are supported and how char depth is calculated layer by layer.

Key features include:

• Support for multiple fire models:
  – Draft Eurocode 5 (prEN 1995-1-2:2023)
  – Austrian National Annex (ÖNORM B EN 1995-1-2:2011)
  – Standard Fire Tests (ISO 834 / EN 1363-1)
• Flexibility to define protection layers and fire-exposed sides
• Automatic layer-by-layer charring depth calculations over time
• Clear logic for bond-line failure and glue-line degradation
• Full PDF export with all intermediate steps, safety factors and inputs

Built to give engineers transparency, accuracy, and speed for CLT fire design.