Engineering software, built for traceable results

Fire design & structural engineering apps

Tools for architects and engineers, from early structural and fire design to detailed Eurocode-based calculations.

Eurocode-based No installation Versioned outputs
Timber fire resistance calculation output
Example output · RCLT residual cross-section calculation
Engineering apps

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Focused tools connected by one consistent workspace.

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iZone

One-zone fire simulation with configurable ventilation, fire loads, and structural timber contribution.

  • Compartment, opening, and boundary definition
  • EN, UK, and manual fire-load models
  • Temperature, oxygen, heat-release, and charring results
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EI: Integrity & Insulation

Insulation-time calculation for separating wall and floor assemblies using the component additive method of EN 1995-1-2:2026.

  • Complete wall or floor layer sequence
  • Automatic or manual fire-protection-system selection
  • Total insulation time with per-layer contributions
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tch: Timber Charring

Start-of-charring calculation for planar timber members protected by one or more layers according to EN 1995-1-2:2026.

  • Fire-protection build-up from the exposed side
  • Wall, floor, and ceiling orientations
  • Total charring start time with layer contributions
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Use your own project data or review the available access options.

TraceableInputs, versions, warnings, and outputs remain connected.
CentralizedOne account for tools, projects, organizations, and invoices.
PracticalCompact workflows designed around engineering checks.