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6 X 6 Post Caps

A Fortress Accents Gloss Black Flat Pyramid Post Cap sits on a 6x6 wood post in front of a blue gradient background
DecksDirect offers a wide selection of 6 x 6 Post Caps for both nominal and actual posts. No matter your deck or railing's aesthetic, there's a 4 x 4 post cap to fit every style and budget. DecksDirect offers expert-picked post caps that ship completely fast.
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Color / Finish
  1. Black (27)
  2. White (24)
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  6. 4 in x 6 in Posts (4)
  7. 5 in to 5-1/8 in (22)
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  13. Plastic & Pressure Treated Pine (3)
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  1. Acorn Deck Products (5)
  2. Aurora Deck Lighting (6)
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  • Savvy Solar Post Cap Light by Dekor - 5-9/16 - Antique Metal Black

    Savvy Solar Post Cap Light by Dekor

    Starting at: $106.18

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Iris LED Post Cap Light by Aurora Deck Lighting - Black, 3-5/8 in

    Iris LED Post Cap Light by Aurora Deck Lighting

    Starting at: $61.55

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Aurora "Titan" Flat Top Post Caps

    Titan Flat Top Post Cap by Aurora

    Starting at: $22.02

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Aurora "Sirius" Pyramid Post Caps

    Sirius Pyramid Post Cap by Aurora

    Starting at: $22.02

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Cape May Solar Post Cap Light by LMT Mercer - Lit - White

    Cape May Solar Post Cap Light by LMT Mercer

    Starting at: $31.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Boulevard Demi-Top Post Caps by Acorn - Cedar and Pressure Treated Pine - 3-5/8 inch and 5-5/8 inch

    Boulevard Demi-Top Post Cap by Acorn Deck Products

    Starting at: $13.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Complete the look of your deck no matter the post size with the Copper Pyramid Post Cap.

    Copper Pyramid Post Cap

    Starting at: $13.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Premium Cast LED Post Cap Light by Dekor - Hammered White - Lit

    Premium Cast LED Post Cap Light by Dekor

    Starting at: $84.19

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • The Flat Pyramid Post Cap by Fortress Accents is available in a wide array of popular deck post sizes.

    Flat Pyramid Post Cap by Fortress Accents

    Starting at: $11.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Newport Pyramid Post Cap by Deckorators

    Newport Pyramid Post Cap by Deckorators

    Starting at: $11.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Newport Flat Top Post Cap by Deckorators

    Newport Flat Top Post Cap by Deckorators

    Starting at: $10.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Select the profile of IPE Poscaps by Acorn Deck Products that suits the style of your space.

    IPE Post Caps by Acorn Deck Products

    Starting at: $26.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Victoria High Top Pyramid Post Cap - Copper

    Victoria High Point Post Cap by Deckorators

    Starting at: $18.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Nokomis Miterless Pyramid Post Cap - Stainless Steel & Copper

    Nokomis Miterless Pyramid Post Cap

    Starting at: $30.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Haven Post Cap by LMT Mercer

    Haven Post Cap by LMT Mercer

    Starting at: $5.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Newport High Top Pyramid Post Cap by Deckorators

    Newport High Top Pyramid Post Cap by Deckorators

    Starting at: $16.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Superior Miterless Pyramid Post Cap

    Superior Miterless Pyramid Post Cap

    Starting at: $13.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Wood Pyramid Top Post Cap by Woodway

    Wood Pyramid Top Post Cap by Woodway

    Starting at: $17.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Yellowstone Inset Demi-Top Post Caps by Acorn

    Yellowstone Inset Demi-Top Post Cap by Acorn Deck Products

    Starting at: $13.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Nokomis Miterless Flat Top Post Cap - 5-3/4"

    Nokomis Miterless Flat Top Post Cap

    Starting at: $13.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Wood Flat Top Post Caps With Skirt by Woodway

    Wood Flat Top Post Cap With Skirt by Woodway

    Starting at: $14.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Amherst Demi-Top Post Cap by Acorn - Ipe material - 5-5/8 inch

    Amherst Demi-Top Post Cap by Acorn Deck Products

    Starting at: $13.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Pelham Thin Flat Top Post Cap by Acorn Deck Products

    Pelham Thin Flat Top Post Cap by Acorn Deck Products

    Starting at: $6.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Metal Top Flat Top Post Caps with Wood Skirt by Woodway

    Metal Top Flat Top Post Cap with Wood Skirt by Woodway

    Starting at: $31.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Metal Top Pyramid Post Cap with Cedar Skirt by Woodway - Black Aluminum - 3-5/8"

    Metal Top Pyramid Post Cap with Wood Skirt by Woodway

    Starting at: $30.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Polish off your deck posts with the Aluminum Post Point, shown in Bronze.

    Aluminum Post Point

    Starting at: $16.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Stainless Steel Pyramid Post Caps

    Stainless Steel Pyramid Post Cap

    Starting at: $12.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Premium Cast Post Cap by Dekor

    Premium Cast Post Cap by Dekor

    Starting at: $44.93

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • With a variety of powder-coat colors and popular wooden post sizes available, the Premium Cast Flat Top Post Caps by Dekor can complete any outdoor space.

    Premium Cast Flat Top Post Cap by Dekor

    Starting at: $44.93

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Victoria Ball Top Post Cap by Deckorators

    Victoria Copper Ball Top Post Cap By Deckorators

    Starting at: $30.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Aluminum Post Point by Deckorators - Stainless Steel - 3-5/8 inch

    Post Point by Deckorators

    Starting at: $4.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details
  • Glass Post Cap by Woodway

    Glass Post Cap by Woodway

    Starting at: $23.99

    Price reflects options chosen above

    The final product price may change based on the combination of size/type/finish/style you choose.
    View Details

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Not Sure Where to Start?

DecksDirect is dedicated to the builder in all of us. That's why we built this resource section just for you, with resources that will empower you with the information and confidence you need to succeed in your post cap project. From a expert advice to choosing the right post cap size, we've got you covered.

  • Talk to a Specialist

    Talk to a Specialist

    Jose is one of our post cap specialists and is here to help you with your project.

    Contact a Specialist  View all Team Members 
  • Getting Started

    Getting Started

    Get ideas and inspiration before choosing your post caps.

    Image Gallery 
  • View Resources

    View Resources

    Check out our deck resource section packed with How-tos and troubleshooting guides to help you get the job done.

    Deck Resources 
  • Design & Quote

    Free Quote

    Design your project with our specialist. When you're ready, get a custom quote.

    Get a Quote 
  • Post Cap Warranty

    Warranty Information

    See how different post cap manufacturers stack up on our manufacturer warranties page.

    View Warranties 

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