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CertainTeed®

GSC/Ryan/ASI & CertainTeed – Working Together to Treat You Right

As fellow GMS companies, Gypsum Supply Company (GSC), Ryan Building Materials (Ryan), and ASI Building Products (ASI) are authorized dealers of CertainTeed® joint treatment and bead products, through our construction yards across the Great Lakes region in Michigan and northwest Ohio.

The CertainTeed Difference

Comfort. Quality. Beauty. Don’t settle for less.

CertainTeed, a subsidiary of Saint-Gobain, one of the world’s largest and oldest building products companies, strives to be a recognized leader in sustainable habitat building supplies. Through the development of innovative, responsible building products, CertainTeed has been driving improvement for more than a century.

With CertainTeed, you get a complete line of quality product offerings designed to help create more functional, comfortable, and beautiful spaces. You also get the passion and expertise of thousands of employees working in numerous facilities across the U.S. and Canada.

Partner with GSC, Ryan, and ASI for All Your Joint Treatment and Finishing Needs

Gypsum Supply, Inc., Ryan Building Materials, and ASI Building Products carry a wide variety of quality joint treatment products, including:

  • Ready mix compounds
  • Setting compounds
  • Textures
  • Tapes
  • Veneer plaster boards
  • Veneer basecoat plasters
  • Veneer finish plasters
  • Conventional basecoat plasters
  • Finish plasters
  • Plaster additives
  • Cement board underlayment

Buy CertainTeed Joint Treatments and Bead from GSC, Ryan, or ASI

Gypsum Supply, Inc., Ryan Building Materials, and ASI Building Products carry a wide variety of quality joint treatment and bead products from CertainTeed, including:

  • No-Coat® bullnose outside corner
  • No-Coat® ULTRATRIM™ L corner trim
  • AquaBead® 90-degree outside corner bead
  • No-Coat® 90-degree inside corner bead
  • No-Coat® arch bullnose
  • No-Coat® arch outside 90-degree
  • Marco® Spark-Perf® drywall joint tape
  • LevelLine® flexible drywall corner
  • No-Coat® ULTRAFLEX™ flexible drywall corner
  • No-Coat® pro corner
  • No-Coat® bullnose baseboard transition cap

CertainTeed News and Product Updates

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

  • CertainTeed® Launches Unified Ceiling Solution Learn more
  • CertainTeed® Acquires Continental Building Products Learn more

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