8th Detail of <a href="//commons.wikimedia.org/wiki/Firestop" title="Firestop">Firestop</a> Certification Listing. Certification listings are considered public domain, as access must be provided to Authorities Having Jurisdiction as well as the public for proving compliance of field installations with building codes.
<a href="//commons.wikimedia.org/wiki/User:Achim_Hering" title="User:Achim Hering">Achim Hering</a>
2007-06-22
<span class="int-own-work" lang="en">Own work</span>