Length of Protrusion: Maximum Length of a Sleeve from the Wall
Technical document about how far out from the wall the sleeve should be.
UL Finding – Putty vs. Caulk: Both are Acceptable
It’s OK to use Caulk or Putty When Installing Through-Penetration Firestop Systems
Firestopping Telecommunication Cables: Problems or Profits?
In today’s sluggish economy, there is a segment of the low voltage industry that is booming. Security has become a priority in the United States. A critical aspect of security…
UL 1479 Standard for Fire Tests of Through-Penetration Firestops
All UNIQUE Fire Stop Systems sold on this website have been tested according to UL 1479 Standards. See our UL Systems page for a closer look at the UL documents…
Hospital Crisis: How We Got into the Firestopping Business
The Cable Installer Must Reseal the Firewall There are safety codes that must be followed when dealing with cable installations and physical fire barriers (firewalls). Firestopping rated firewalls after cable…
Cable Tray Penetrations: Problem Solved!
After a 25-year career in the cabling business, I had the exciting opportunity to develop some mechanical penetration systems for cable installers. During the development of these systems, I was…
Do I Need Packing Along with the Intumescent Putty?
Packing (eliminated for 1 or 2 hr. Systems) Listings with 3-M, Hilti, Rectorseal and Nelsons all require a minimum of 1 inch of mineral wool batt insulation, packed tightly, into…
BICSI Outside Vendor Courses: CEC Search
Use this link to explore outside vendor courses available through BICSI. All offer Continuing Education Credits (CECs): BICSI Outside Vendor Courses
What do the UL Systems Acronyms Stand For?
The first letter of the listing designation identifies the type of penetrated fire-rated structure: C for both floor and wall penetrations F for floor penetrations only W for wall penetrations…