Pine River Group

Pine River Group’s premiere waterfront product

Products Suppliers

With over 50 years of service to the building industry, our customers have come to appreciate our in-depth product knowledge and dedication to providing quality. With an attentively crafted offering of Pier Advantage wood and composite dock planking, as well as wood marine and foundation piling, our resolve to make things as simple as possible for our customers continues to drive our growth. Talk to our team and get what you need when you need it, without delay, so you can build confidently.

Pine River Group is a proud part of Biewer Lumber LLC - a family owned and operated company for over 50 years. With access to our own sawmills, treating facilities and many business partnerships, our strategic position grants us the power and flexibility to serve our customers in unique and diverse ways; growing and adapting to market demands.

Our mission has always been to supply our customers with a carefully selected collection of the best products the industry has to offer, at fair market pricing, with an acute attention to detail and customer care.

Wood Dock Planking

Pier Advantage Wood Dock Planking, exclusively designed for waterfront applications, is a natural, environmentally-friendly solution for docks, piers, and boardwalks. Pier Advantage is made from only top quality, high-grade dimensional Southern Yellow Pine. Hand-selected for quality and appearance, Pier Advantage is straighter, with less wane. Pier Advantage Wood Dock Planking is engineered with eased edges and stress relief grooves. This unique wood plank is stronger and easier to work then typical wood planks.


  • Top-quality, appearance grade lumber
  • Radius edge profile
  • Stress relieve grooves
  • “Bark-side-up” orientation
  • Water-resistant finish

Composite Dock Planking

When your project requires a composite dock plank, Pier Advantage, manufactured by MoistureShield, is the professional’s choice for waterfront applications. Made from 95% recycled post-consumer product, Pier Advantage is a friend to the environment. Manufactured with MoistureShield’s Total Fiber Encapsulation process, each board is protected against rot, decay and termite damage.


  • 95% recycled product — qualifies for LEED points
  • Resistance to moisture, mold, mildew, and staining
  • Ability to use above, on, or in contact with the ground or water (yes, even under water!)
  • Zero product failure claims due to product delamination/decay/rot
  • 8 different colors to choose from.
  • Lifetime limited warranty

Poles & Piling

We are proud to stock the Midwest’s largest supply of piling - available in a wide variety of sizes, species and preservatives, we are sure to have what you’re looking for. We remain dedicated to superior quality standards, so build your next project with the structural integrity that only our piling can provide.

  • Address 812 South Riverside Avenue
    St. Clair, MI

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