Historically, membrane penetrations were treated as one-half of a through penetration firestop syste...
Firestopping is required in multi-family frame dwellings wherever a rated separation wall or floor i...
More and more UL Firestop Sysems for cable penetrations now carry L-Ratings. Do you know what they m...
Wood frame construction and fire are a deadly combination! It’s easy to understand the concern peopl...
Firestop systems tested to ASTM E814 (UL1479) have two ratings. the F Rating represents a minimum am...
The importance of maintaining the intended ratings of walls is paramount in the design and construct...
As a firestop manufacturer, we are frequently asked to provide firestop design recommendations for v...
For purposes of this discussion, all flexible current, data, or telecom signal conveyances will be r...
The Right Products With the Right Installation Designs And Methods Make Protection Of Combustible Pe...