Talk:Penetration (firestop)

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[edit] Reference tag by Terraxos

There was no information given as to what is supposed to be unreferenced here. You can look up the term in thousands of penetration seal listings in the UL Building Materials Directory as well as its cousins by DIBt, WH, ULC, industry articles and governmental specifications, such as the NMS and the National MasterFormat. The term penetration, for the actual hole that is being penetrated is known territory and status quo, as described within and outside of Wiki. If you have a beef with the term, then state your claim. --Achim (talk) 04:15, 4 January 2008 (UTC)