Post Cap for Fortress AL13 Home Aluminum Railing

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To keep water and debris out of your posts while also adding a simple touch of detail, look no further than the AL13 Home Aluminum Post Cap by Fortress. Crafted in a pyramid style with a clean flat top, these Post Caps are the ideal choice for a reliable railing that can fit any style. These post caps pressure-fit onto their posts meaning no extra screws or caulk is required.

Available to fit 2 inch and 3 inch post sizes, and in the premium Fortress finishes of Matte White and Black Sand.

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

More Information
DecksDirect # 7060

AL13 Home Aluminum Railing Level Installation Instructions (985 KB) 

AL13 Home Aluminum Railing Stair Installation Instructions (1.47 MB) 

FinishBlack Sand or Matte White
Pack SizeEach
MaterialPowder-coated aluminum
Post Cap Opening Size2-1/16 in or 3-1/16 in
fits over a 2 in or 3 in post
Compatible PostsFortress AL13 Home Pre-Bracketed Post For Post-To-Post Railing
Fortress AL13 Home Blank Post For Post-To-Post Railing
(width x depth x height)
2-1/16 in: 2-1/2 in x 2-1/2 in x 1 in
3-1/16 in: 3-1/2 in x 3-1/2 in x 1 in
Inset1/2 in
Package Contents(1) post cap
WarrantyFortress AL13 Home Post Cap
View Fortress Warranty Page 
Purchaser must register their product to ensure warranty coverage.

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