The Firestop
Authority
Specified Technologies Incorporated is an industry leader in developing innovative fire protection systems that help stop the spread of fire, smoke, and hot gases. For over 25 years, our team has worked hand in hand with the construction industry to create simple solutions to complex firestopping problems.
Products by
Application
STI Firestop offers real world solutions to tackle any project demands. Whether the job is simple or complex, we have the right product for your firestop needs.
Products by
Segment
Regardless the industry, be proactive when it comes to passive fire protection. Choose STI Firestop products to protect your assets.
Tools &
Resources
Get all the information you need to select STI Firestop products, including capacity calculators, data sheets, and professional resources.
Smoke Block 136 Sealer Redux!
Posted on Jul 11, 2018
Based on customer feedback, we are reintroducing our Smoke Block® 136 Sealer, a non-combustible fireblocking caulk. Some local jurisdictions require the use of non-combustible fireblocking materials in wood frame construction for sealing pipes, cables, vents, and other gaps. This reformulated version of the caulk is a quality, non-sag formula that adheres to wood and… Read full article
A Look at the UL Guide Information for Through-Penetration Firestop Systems: Angled Penetrations
Posted on Feb 20, 2018
We all know UL systems are very specific in calling out the requirements that must be met in order to have a complete system. What you may not know is that UL allows for certain alterations to be made to the individual UL system, these approved alterations can be found in the UL Guide Information… Read full article
