Rainier Flooring System

The Rainier Flooring System was developed with the adventurer in mind. We use a fiberglass-reinforced closed cell foam originally intended for the marine market to create a durable, yet lightweight subfloor built to withstand the harshest conditions. The floor is easily installed via a locking system, which allows professional builders and DYIers alike to install with confidence, quickly. Each piece locks into the last to ensure that your tolerances are within the specifications. For Sprinters and Promasters we leave the rear factory threaded inserts available for safe cabinet fastening.

Learn More Below!

  • About the Materials

    The closed cell foam we use has the following properties:

    • 60% the weight of traditional plywood

    • Same density as Baltic Birch Ply

    • Dimensionally stable

    • 0 rot

    • 3 x more insulating than plywood

    • Sound deadening properties

  • Included in the Kit

    The Rainier Flooring system can be quickly installed and is ready to accept your finish floor after the adhesive has set. The Kit includes:

    • CNC cut fiberglass-reinforced closed-cell foam sub structure. (The substrate is divided into segments that lock together with a dovetail to ensure correct fitment within specified tolerances).

    • Adhesive

Columbia Hydronic Heating System

Looking for an all-inclusive system that includes air heating, hot water, and radiant flooring?

Check out the Columbia Hydronic Heating System!