Free Shipping

on orders over $99

Worry-free Returns

365 day return policy


RadianceRail Post Caps add a stately feel to post sleeves with their subtly layered pyramid tops. The 5-1/16 inch opening is the perfect fit for TimberTech RadianceRail Post Sleeves, and no installation hardware is needed. To light up your outdoor living space, consider purchasing LED Post Light Modules for an elegant band of light between the post cap and the post. RadianceRail Post Caps are available in five great finishes to enhance any decor.

Unsure about your size? Measure your posts carefully and use our Post Cap Diagram to understand critical dimensions and ensure a proper fit.


DecksDirect # 5934

Installation (2.94 MB) 

ColorsBlack and White
Pack SizeEach
Post Cap Opening Size5-1/16 in
Material TypeComposite
(width x depth x height)
7-1/4 in x 7-1/4 in x 2-1/4 in
Inset Measurement 1-3/4 in
Included AccessoriesNone
WarrantyView TimberTech Warranty Information
Simply attach the TimberTech LED Post Light Module to your TimberTech RadianceRail post cap via the included screws for a dazzling look both day and night.
Starting at: $66.99
RadianceRail Post Cover by TimberTech
Starting at: $103.99
RadianceRail Composite Baluster Packs By TimberTech - White
Starting at: $161.99
TimberTech Post Skirt - White
Starting at: $20.99

Reviews & Questions