RailFX Series 400 Top Rail
Select an option for stock status and time to ship


Aluminum Top Rail

Must be used with wood or composite boards (sold separately) as a cap

Wood or Composite Cap Rail must add 1/2" to overall rail height to reach required rail heights of 36" or 42" respectively

Includes bottom finishing plate

2-7/8" x 1-1/4" x 94"

Join multiple rails together with splices to achieve needed length

Top Rail End Plates sold separately

Field trimmable with a carbide blade


The RailFX Series 400 Top Rail for Wood Cap Rail is an aluminum top rail designed to attach wood or composite boards as the cap (sold separately). Wood or composite cap rail must add 1/2" to overall rail height to reach required rail heights for both 36" and 42" railing. Cannot be used independently. This package includes the bottom finishing plate. Top Rail End Plates are sold separately.


Manufacturer RailFX
Brand RailFX
Sub Brand RFX400
Can Be Cut to Length Yes
Does Not Include Wood or Composite Top Rail Cap, Top Rail End Plates, or Splices to Join Multiple Rails
Installation Tools Required Saw with Carbide Blade
Material Aluminum
Package Quantity 1
Package Includes (1) Top Rail and (1) Bottom Finishing Plate
Returnable Yes

Weights and Dimensions

Dimensions 2.875” x 1.25” x 94”
Height (Inches) 1.25
Length (Inches) 94
Width (Inches) 2.875

Info & Guides

Reviews & Q&A

Want to learn more? Read product reviews and questions and answers about this product from other customer just like yourself. Have a question? Just click the 'Ask a Question' button and let us know. We'll review your question and post the answer here.

Customers Who Bought This Item Also Bought