Composite Railing
Not seeing what you’re looking for?
INSPIRATION GALLERY
Get ideas for framing your view
Railing is the first thing you see when you walk out your door or approach your house from the curb. See real life projects to get ideas on how to define your space in a way you’ll love for life.
PLAN WITH CONFIDENCE
Let form, finish and lifestyle lead the way
Design style, material options, safety considerations, budget — get the full scoop on everything you need to know to make the right product decision for your home and your project.
Frame your outdoor living space with composite Railing Systems
Composite railing sets the tone for the design. Whether you’re shaping a modern deck, a layered landscape plan or a welcoming front porch, it frames the view and defines the architecture of the space. For homeowners, that means effortless beauty that feels custom and cohesive. For landscape architects and exterior designers, it means crisp sightlines, balanced proportions and materials that elevate your entire outdoor composition.
Design your composite rail deck with confidence
With a range of colors, top rail profiles and infill options, including aluminum balusters, cable and panel designs, composite railing becomes a true design element. Create contrast against composite decking or keep the palette timeless with tones that complement natural surroundings. The result? Clean lines. Thoughtful transitions. Outdoor spaces that feel curated from every angle.
Start your composite railing project today
Explore the full line of RDI Railing composite railing systems and design with confidence from the ground up. Connect with a contractor to plan your layout. Browse our blog for inspiration, installation insights and trend-forward ideas. Backed by decades of innovation and trusted by pros nationwide, our composite railing is built to stand strong and stay stunning — wherever your design takes it.
Frequently asked questions about composite railing
Composite railing is a railing system designed to deliver the look of real wood with enhanced durability and lower maintenance. RDI Railing composite railing features Composicore®, a structural material that contains no wood fibers, making it water resistant and resistant to rot, splintering and mold. It offers long-term strength with style flexibility for decks, porches and stairs.
Transform® Composite Railing features an acrylic cap which can be painted since it contains no plasticizers or additives that would interfere with paint adhesion or affect the paint’s durability. It is important that the paint used be specifically designed for acrylic surfaces. Ordinary house paint and traditional water-based paint will not adhere properly to acrylic. To ensure paint is suitable for acrylic, consult the paint manufacturer.
Yes, composite railing can be installed on a wood deck. It pairs seamlessly with pressure-treated lumber, composite decking and other deck surfaces. RDI Railing systems are engineered for straightforward installation, helping pros and homeowners upgrade existing structures while maintaining a cohesive design.
Cleaning composite railing is simple. Use mild soap and water with a soft cloth or brush to remove dirt and debris. Because Composicore® contains no wood fibers, it resists moisture-related issues, helping maintain crisp lines and a polished appearance with minimal effort.
Yes, composite railing can be cut to size using standard woodworking tools. This allows for custom fitting on stairs, corners and unique layouts. Always follow RDI Railing installation guidelines to ensure proper fit, performance and code compliance.
bring the dream to life
Let’s build the view together
Get started today. Find an installer or a nearby retailer to plan, price and get everything you need start your project with confidence.