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Fire Treated Lumber & Fire Rated Products

Need lumber right away? We keep it conveniently stocked for the last minute needs.

GSC, Ryan and ASI

From lumber to fire rated products, we carry the best selection for contractors and building professionals in Michigan and northwest Ohio. For more than a decade, we have offered three great options in the Great Lakes region:

Gypsum Supply Company (GSC) – serves residential and commercial construction customers through its seven yards throughout Michigan (Ann Arbor, Byron Center, Kalamazoo, Lansing, Traverse City, and Zeeland), and northwest Ohio (Holland).

Ryan Building Materials (Ryan) – serves commercial and residential builders through its four yards across eastern central Michigan. (Clarkston, Harrison Township, Southfield, Troy)

ASI Building Products (ASI) – serves construction professionals and homeowners through its three yards across southeast Michigan. (Detroit, Saginaw, Southfield)

Offering Fire Treated Lumber and Fire Rated Products in MI & Northwest OH

We believe it’s all about safety. So, we carry a variety of fire treated lumber and fire rated products for both residential and commercial applications. This includes a variety of wood and dimensional lumber products in a wide selection of traditional, treated lumber and fire-rated lumber products, with multiple textures, densities and grades to meet your unique needs.

Fire-Rated Lumber

Many building codes require the use lumber treated with fire-retardant materials. Fire-rated lumber has all the same applications and versatility of traditional lumber, but significant advantages in terms of safety and overall cost-efficiency.

In the event of a fire, structures built with fire-rated lumber catch or burn much more slowly, providing crucial extra time for firefighting and evacuation. With results like significant potential savings of life and resources, the benefits of using fire-rated lumber cannot be overstated.

Our dimensional fire-rated lumber & plywood products include:

  • 2 x 4 x 8 fire-rated lumber
  • 2 x 6 x 8 fire-rated lumber
  • 1/2 fire-rated plywood
  • 3/4 fire-rated plywood
  • 5/8 fire-rated plywood

Traditional Dimensional Lumber

Depending on your construction needs, you may not require fire-rated lumber. Our yards have you covered here too.

Our standard dimensional lumber & plywood products include:

  • 1 x 8 x 12 pressure treated lumber
  • 2 x 10 x 10 pressure treated lumber
  • 2 x 12 x 10 pressure treated lumber
  • 2 x 8 x 12 pressure treated lumber
  • 2 x 8 x 16 pressure treated lumber
  • 5/8 pressure treated plywood
  • 5/8 CDX plywood

Fire Rated Products for MI and Northwest OH

GSC, Ryan and ASI offer fire rated products. including:

  • Fire caulks (tubes and pails)
  • Fireproofing (bags)
  • Firesafing (4"x24")

Our brands of fire rated products include STI and Hilti. We also carry Hoover, Rectorshield, Elastomeric in our Ryan locations.

If we don’t have what you need in stock or need some technical assistance, we invite you to visit one of our 14 showrooms. We are committed to offering everything you need for your jobsite, and all of our accessories are available for immediate pickup or on-time jobsite delivery.

Conveniently Located Near You

GSC, Ryan and ASI has 14 yard locations in Michigan and northwest Ohio that offer delivery service within a 90-mile radius. As a subsidiary of Gypsum Management and Supply, Inc. we are deeply committed to customer satisfaction, on-time delivery service, and safety for everyone on the jobsite.

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About Us

Teaming up with the top brands in the industry, we have one simple pledge: to get the right products into our customers' hands as quickly and safely as possible.

Our Services

GSC/Ryan/ASI carries a full range of commercial and residential construction supplies, and our crews are fully trained to deliver to commercial sites.

Our Locations

Our delivery fleet is dispatched from 13 locations across Michigan and one in Toledo, Ohio.

Contact Us

For more information about how to contact us, visit our Find a Yard page. Or, click the Contact Us tab to send us an email.