Tag Archives: UL

Spotlight on Shrinkage

Posted on June 22, 2017 by zalepka

The Incredible Shrinking… Firestop Sealant? May 16, 2017 by James P. Stahl Jr., CFPS, CDT, Vice President & General Manager, Engineering and Emerging Businesses Do firestop sealants shrink? This is a question that has been bandied about at various industry … Continue reading →

Posted in Uncategorized | Tagged ASTM C1241, cure, curing, destructive, firestop, IFC, latex, sealant, shrinkage, silicone, STI, STI Firestop, UL, UL Guide, XHBN, XHEZ | Leave a comment

Spotlight on Fire Protection for Underslab Curtain Wall Anchors

Posted on January 23, 2017 by zalepka

Curtain wall connections or anchor points located beneath the floor slab can be subjected to direct fire exposure that can compromise their integrity. The UL Guide Information for Category XHDG, Perimeter Fire-Containment Systems has included general specifications for the protection … Continue reading →

Posted in Uncategorized | Tagged anchor, connections, curtain wall, curtainwall, firestop, floor slab, STI, STI Firestop, UL, underslab | Leave a comment

Spotlight on Beating the Clock

Posted on December 22, 2016 by zalepka

By Douglas S. Erickson, FASHE, CHFM and James P. Stahl Jr., CFPS, CDT Effective August 1, 2016, The Joint Commission changed the Statement of Conditions® (SOC) process related to Life Safety (LS) requirements. Previously, deficiencies discovered during mock surveys or … Continue reading →

Posted in Uncategorized | Tagged barriers, cabling, cited, CMS, communication, data, deficiencies, Doug Erickson, EZ, EZ Path, facility, fire barrier, healthcare, James Stahl, life safety, life safety code, LS, LSC, Maintenance Free, NFPA 101, penetrations, SOC, Statement of Conditions, The Joint Commission, TJC, UL, Underwriters Laboratories, unsealed | Leave a comment

Spotlight on membrane penetrations

Posted on December 2, 2016 by zalepka

A couple of weeks ago, I received the following email… “Please review the inspectors deficiency report and provide us an Engineering Judgment similar to what you sent me just for a 1″ insulated copper pipe, but it penetrates only one side … Continue reading →

Posted in Uncategorized | Tagged engineering judgements, gypsum, insulated pipe, insulation, membrane penetrations, noncombustible, penetrants, plastic pipe, steel duct, STI Firestop, UL, UL Systems, Underwriters Laboratories, W-L | Leave a comment

Know when to say when: friends don’t let friends overfill sleeves

Posted on March 4, 2016 by zalepka

Recently I was at a cocktail party making some new connections when someone asked me the good old question, “So, what do you do?” As a sales rep in the firestop industry, whenever I get this question, I have to … Continue reading →

Posted in Uncategorized | Tagged ASTM, BISCI, cable, E814, EZ Path, firestop, LAN, local area network, low-voltage, NEC, NFPA, overfill, retrofittable, UL, UL1479 | Leave a comment