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Composite & Vinyl Post Caps

Trex Classic White Pyramid Post Caps top off a Transcend Railing section with deck board top rail

Complete a new or existing wood, composite, or vinyl rail system without the weight of metal using these durable and stylish post caps. DecksDirect offers expert-picked post caps that ship fast directly from our warehouse.

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15 Items

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  1. Haven Post Cap by LMT Mercer

    Haven Post Cap by LMT Mercer

    Starting at:
    As low as $7.99 Price depends on product options. Make a selection to update price.
  2. Cape May Post Cap by LMT Mercer

    Cape May Post Cap by LMT Mercer

    Starting at:
    As low as $7.99 Price depends on product options. Make a selection to update price.
  3. Neptune Post Caps by LMT Mercer

    Neptune Post Cap by LMT Mercer

    Starting at:
    As low as $6.99 Price depends on product options. Make a selection to update price.
  4. Transcend Flat Top Post Cap by Trex - Classic White

    Trex Transcend Flat Top Post Cap

    Starting at:
    As low as $11.99 Price depends on product options. Make a selection to update price.
  5. Transcend Pyramid Post Cap by Trex - Classic White

    Trex Transcend Pyramid Post Cap

    Starting at:
    As low as $11.99 Price depends on product options. Make a selection to update price.
  6. Ornamental Post Cap for Trex Post Sleeves by LMT Mercer Group - Classic White

    Ornamental Post Cap for Trex Post Sleeves by LMT Mercer Group

    Starting at:
    As low as $14.99 Price depends on product options. Make a selection to update price.
  7. Ornamental Post Caps by LMT Mercer

    Ornamental Post Cap by LMT Mercer

    Starting at:
    As low as $6.99 Price depends on product options. Make a selection to update price.
  8. High Point VersaCap by Deckorators-4-1/16 in-Black - Installed

    High Point VersaCap by Deckorators

    Starting at:
    As low as $16.99 Price depends on product options. Make a selection to update price.
  9. Premier Rail Pyramid Post Cap by AZEK

    TimberTech Premier Rail Pyramid Post Cap by AZEK

    Starting at:
    As low as $29.99 Price depends on product options. Make a selection to update price.
  10. Premier Rail Island Post Cap by AZEK

    TimberTech Premier Rail Island Post Cap by AZEK

    Starting at:
    As low as $30.99 Price depends on product options. Make a selection to update price.
  11. RadianceRail Post Cap by TimberTech - White

    TimberTech RadianceRail Post Cap

    Starting at:
    As low as $23.99 Price depends on product options. Make a selection to update price.
  12. RadianceRail Express Post Cap by TimberTech - Kona

    TimberTech RadianceRail Express Post Cap

    Starting at:
    As low as $13.99 Price depends on product options. Make a selection to update price.
  13. Ornamental Solar Collecting Post Cap - 3-11/16 inch - Black

    Ornamental Solar Collecting Post Cap with Accessory Connection by LMT Mercer

    Starting at:
    As low as $28.99 Price depends on product options. Make a selection to update price.
  14. Create a timeless look both day and night with the Cape May Solar Collecting Post Cap by LMT Mercer.

    Cape May Solar Collecting Post Cap with Accessory Connection by LMT Mercer

    Starting at:
    As low as $25.99 Price depends on product options. Make a selection to update price.
  15. Neptune Solar Collecting Post Cap by LMT Mercer - White

    Neptune Solar Collecting Post Cap with Accessory Connection by LMT Mercer

    Starting at:
    As low as $25.99 Price depends on product options. Make a selection to update price.

15 Items

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Shopping Options
Color
Opening Size
  1. 2 in to 2-5/8 in 2 item
  2. 3 in to 3-1/4 in 2 item
  3. 3-1/2 in to 3-11/16 in 5 item
  4. 4 in to 4-7/16 in 7 item
  5. 4-1/2 in to 4-11/16 in 6 item
  6. 5 in to 5-1/8 in 5 item
  7. 5-1/2 in to 5-3/4 in 6 item
  8. 6 in to 6-3/16 in 5 item
Style
  1. Pyramid 1 item
Manufacturer
  1. Deckorators 1 item
  2. LMT Mercer Group 8 item
  3. TimberTech 4 item
  4. Trex 2 item
Voltage
  1. 12V (low voltage) 1 item