• {{msg}}


  • {{msg}}
Resources FAQs GMS / Parent Company Careers Credit Application Building Envelope Products E-commerce Impact Construction Supply Experts Delivery & Fleet Expert Advice Ordering Specialty Products Safety / Site Reviews Showrooms & Customer Pick-ups CertainTeed Continental Georgia-Pacific National Gypsum USG ClarkDietrich® MRI Steel Framing Jaimes Industries Simpson Strong Tie The Steel Network CertainTeed ClarkDietrich Continental Fry Reglet Magnum National Gypsum Phillips Strait-Flex Trim-Tex USG Armstrong CertainTeed Chicago Metallic USG Rockfon CertainTeed DuPont Hunter Kingspan Knauf Owens Corning ROCKWOOL Thermafiber Babcock-Davis Cendrex Building Envelopes Drywall Shapes BASF DeWalt Grabber Hilti ITW Ramset Pro-Twist Scorpion Hilti STI Crane Composites Nudo Panolam Biewer Hoover Tri-State UFP Guardian Lift ML Kishigo TapeTech DuPont Pro Tect Ram Board Trimaco Curry Drywall Master DeWalt Grabber Dura-Stilts Graco Hilti Hyde Irwin Kraft MARSHALLTOWN Porter Cable Renegade TapeTech Tool Pro USG Sheetrock Wal-Board GSC - Ann Arbor, MI GSC - Byron Center, MI GSC - Kalamazoo, MI GSC - Lansing, MI GSC - Traverse City, MI GSC - Zeeland, MI GSC - Holland, OH Ryan - Harrison Township, MI Ryan - Southfield, MI Ryan - Troy, MI ASI – Bridgeport, MI ASI – Detroit, MI ASI – Southfield, MI


GSC/Ryan/ASI & Hilti 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 Hilti firestop products and accessories through our yards across the Great Lakes region in Michigan and northwest Ohio.

The Hilti Difference

With the introduction of its first drill hammer in 1967, Hilti transformed concrete drilling, and launched a legacy of pioneering construction innovation that still thrives more than 50 years later. Superior tool technology is just the beginning. The true Hilti difference is found in their people. From field engineers to sales reps, Hilti professionals work directly with customers worldwide every day with one mission – developing tools that make jobsites safer and more productive.

At Hilti, the goal is always to build a better future – one where contractors, construction workers, and home improvers work faster, safer, and with more confidence. Hilti firestop solutions are helping to build that world each day, one successful job at a time.

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 Hilti Fasteners from 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 Hilti, including:

  • Hilti firestop system adhesive labels
  • CP 606 firestop acrylic sealant (red)
  • CP 620 firestop foam
  • FS-ONE MAX firestop intumescent sealant

Hilti News and Product Updates

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

  • Fieldwire Joins Hilti to Create Leading Construction Jobsite Management Tool Learn more
  • Hilti Named Among Selling Power’s Best Companies to Sell For Learn more

Need to talk to an expert to help with your next project?

Experienced and helpful customer service representatives are standing by ready to help.