Transform®

Composite Railing

The look and feel of a wood railing, with superior resistance to moisture, mold and warping. Made with Composicore® — a material that contains no wood or organic fibers — Transform features a lightly textured, durable finish. Available with multiple top rail options and infill styles, including traditional square balusters, black round aluminum balusters and cable.


  • Does not warp, splinter or rot — easy to maintain with long-lasting color retention
  • Mix and match with aluminum or steel railing for custom look
  • Hidden brackets provide a clean, finished look
  • Made in the USA with Transferable Limited Lifetime Warranty

Find Transform Railing near you

Built to Last

Composicore®

Composicore used in our railing products contains no wood fibers, making it water resistant, meaning it will not rot, splinter, warp or stain and is resistant to mold — keeping your railing beautiful for years to come.

Create your perfect look

Browse our inspiration gallery to see how homeowners and designers across the country have used RDI® Railing to bring their indoor and outdoor spaces to the next level.

Explore Gallery