Rim board is a component of an engineered flooring system. It works in concert with wood I-joists to carry the floor load. AinsworthEngineered® rim boards are engineered to precise specifications, and display great dimensional stability, strength and structural reliability—with the consistent quality of engineered wood products.



Rim Board/Rim Board Plus

APA Performance Rated rim board for I-joist engineered flooring systems. Read more



Durastrand Rimboard

Code-evaluated, quality assured rim board for I-joist and open-web engineered floor systems. Read more