From: <a class="external free" href="https://en.wikipedia.org/wiki/File:Fireproofing.jpg">http://en.wikipedia.org/wiki/File:Fireproofing.jpg</a> Example of spray <a href="//commons.wikimedia.org/wiki/Fireproofing" title="Fireproofing">fireproofing</a>, using a <a href="//commons.wikimedia.org/wiki/Gypsum" title="Gypsum">gypsum</a> based <a href="//commons.wikimedia.org/w/index.php?title=Plaster&amp;action=edit&amp;redlink=1" class="new" title="Plaster (page does not exist)">plaster</a> in a low-rise industrial building in <a href="//commons.wikimedia.org/wiki/Vancouver" title="Vancouver">Vancouver</a>, <a href="//commons.wikimedia.org/wiki/British_Columbia" title="British Columbia">British Columbia</a>. The plaster provides a layer of <a href="//commons.wikimedia.org/wiki/Thermal_insulation" title="Thermal insulation">insulation</a> to retard heat flow into structural <a href="//commons.wikimedia.org/wiki/Steel" title="Steel">steel</a> elements, that would otherwise lose their strength and collapse in an accidental fire. Fireproofing is an integral part of <a href="//commons.wikimedia.org/w/index.php?title=Passive_fire_protection&amp;action=edit&amp;redlink=1" class="new" title="Passive fire protection (page does not exist)">passive fire protection</a> und thus subject to stringent <a href="//commons.wikimedia.org/w/index.php?title=Bounding&amp;action=edit&amp;redlink=1" class="new" title="Bounding (page does not exist)">bounding</a>.
<a href="//commons.wikimedia.org/wiki/User:Achim_Hering" title="User:Achim Hering">Achim Hering</a>
5 May 2011 (original upload date)
<span class="int-own-work" lang="en">Own work</span>