A25 - Sandwich Panels

Question 1

A25 - What are the significant hazards at incidents involving Insulated Sandwich Panels?

Answer 1

Possibility of internal collapse with little or no warning
Undetected fire spread inside sandwich panel
Delamination of panels leading to large metal sheets falling, causing exposure of combustible infill and subsequent increase in fire load and fire development
Products of combustion and fire water run off may have polluting effect
Building quickly fills completely with dense smoke
Not easily ventilated – often no windows or roof lights
Fires in buildings may reach 900°C in four minutes