STI®

GSC/Ryan/ASI and STI Firestop – Protection Sparked by Partnership

As fellow GMS companies, Gypsum Supply Company (GSC), Ryan Building Materials (Ryan), and ASI Building Products (ASI) are authorized dealers of Specified Technologies, Inc. (STI®) firestop products and accessories through our yards across the Great Lakes region in Michigan and northwest Ohio.

The STI Firestop Difference

Specified Technologies, Inc. leads the firestop industry in developing innovative fire protection systems to help stop the spread of fire, smoke, and hot gases. For more than 25 years, the STI team has collaborated with the construction industry to create simple, effective solutions to complex firestopping problems.

STI designs firestop products that are user-driven and easier to apply. The result is outstanding fire protection systems which often result in lower installed costs. STI offers innovative firestop solutions for all types of new construction and retrofit applications. Since firestopping is all STI does, this stable, growing company is free to focus on developing high-quality, fully tested, innovative firestop solutions.

Partner with GSC/Ryan/ASI for All Your Firestop Needs

Local builders and contractors know, having the right firestop products on hand helps make jobs faster, safer, and more efficient. Gypsum Supply Company, Ryan Building Materials, and ASI Building Products offer a complete line of firestop products and related accessories for a variety of commercial and residential building projects, including:

Fire caulks (tubes and pails)
Firestop putty pads
Firestop system labels
Fireproofing (bags)
Fire safing
Firestop sealants (elastomeric, endothermic, intumescent)

Buy STI Firestop Solutions from GSC/Ryan/ASI

For Great Lakes area construction professionals in Michigan and northern Ohio, GSC, Ryan, and ASI offer a diverse selection of exceptional firestop solutions from STI, including:

SpecSeal® SSP firestop putty and pads
SpecSeal® ES elastomeric firestop spray
SpecSeal® silicone sealant
SpecSeal® Smoke & Sound acoustical sealant
SpecSeal® LC endothermic sealant
SpecSeal® LCI intumescent firestop sealant
SpecSeal® ES elastomeric firestop sealant

STI Firestop News and Product Updates

Stay up-to-date with all the latest product releases, improvements, and advancements from STI.

STI’s Environmental Mission – UL GreenGuard Certification Learn more
The Burn Podcast – Banner Health Learn more