Patent ID: 8713855

Claim:
An explosion relief panel assembly comprising an explosion relief panel suitable for use as a wall or roof panel mounted to generally parallel spaced first and second elongate support members forming part of a wall or part of a roof, said explosion relief panel comprising, when oriented as a roof panel, a raised longitudinally extending edge portion which is raised above a respective adjacent longitudinally extending drain portion of the panel and which has a second raised longitudinally extending portion which is raised above a respective adjacent longitudinally extending drain portion lying between said second raised portion and said edge portion, the said second raised portion being fixed to said first support member and the said edge portion being mounted to said second support member in a manner such as to be released therefrom in response to an overpressure applied beneath the panel to allow the edge of the panel to be deflected upwardly to release said overpressure whilst the second portion of the panel remains fixed to said first support member.