Technology Updates brings ‘firestop science to life’ by addressing common misconceptions, specification terminology and application details to assure long term performance. Many of our frequently asked questions result in future Technology Updates.
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Firestop Putty Pads
One of the most misunderstood products is the firestop puttyFirestopping, non-hardening, compound designed to seal through-penetrations as well as certain membrane penetrations against the spread of fire, smoke and toxic gasses. pad. Putty pads are ideal systems for a variety of unique situations. Download |
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Firestopping Sheet Metal Ductwork
Ductwork by its nature requires creative field fabrication. Firestopping around square and round ductwork requires careful firestop design considerations. Download |
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Firestopping Wood Floor Chase Assemblies
Wood frame construction and fire are a deadly combination. Simple changes in construction practices can greatly reduce the dangers of fire. Download |
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Plan, Install & Firestop Cable Penetrations
Know the cable volume, cable type and the cable size. How much space you will need and will be adding or changing cables over time? Read the answers to these questions and more in our update on Plan, Install & Firestop Cable Penetrations. Download |
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STI Quiets the Competition
The importance of maintaining the intended ratings of walls is paramount in the design and construction of buildings. Fire and acoustical transmission ratings affect the safety and comfort of all types of buildings. The construction techniques and materials utilized must ensure that both fire and sound are limited in their propulsion throughout a structure. Download |
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The Problems With Leakage Ratings
More and more UL Firestop Systems for cable penetrations now carry L RatingsA fairly recent addition to UL 1479 that provides a measure of the ability of a firestop sealing design to prevent air leakage when subjected to a known over pressure and air flow. Test is conducted at ambient temperatures and at elevated temperatures (400°F). Do you know what they mean and how they impact the firestop systemAn assembly consisting of 1) the penetrant or penetrants 2) the opening through a particular type of wall or floor, and 3) the firestop materials and design that are used to seal the opening or protect the penetrants. selection? Download |
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Understanding the T Rating
T RatingA measure of the thermal conductivity of a firestop system. The time required for various elements on the unexposed side of an system to exceed 325°F over the temperature at the start of the test. is a measure of thermal conductivity. It is often misapplied as the interpretation and application has not been consistent. Download |
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Where There's Smoke...There May Be Cables!
Improperly sealed cable penetrations are a serious problem. In fact, cable penetrations are the weak link in fire-protection in virtually every cable-intensive facility. Download. |
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