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Eight joined Redwood boards form this 4 ft Surface Mount composite fence. One rail set borders the nominal 6 ft wide horizontal composite fence, unlike the separate rail pairs used for spaced groups.

The Surface Mount assembly has a 49-inch fence height, a ½-inch clearance below and 51-inch finished posts with welded bases.

  • Eight joined Redwood boards form this 4 ft Surface Mount composite fence. One rail set borders the nominal 6 ft wide horizontal composite fence, unlike the separate rail pairs used for spaced groups.

    The Surface Mount assembly has a 49-inch fence height, a ½-inch clearance below and 51-inch finished posts with welded bases.

  • Engineering Dimensions

    Nominal size (width × height): 6 × 4 ft.

    Mounting Type: Surface Mount.

    Fence height: 49 inches.

    Gap below the fence: ½ inch.

    Post spacing (center to center): 71½ inches.

    Clear opening between posts: approximately 68¼ inches.

    Post height above ground: 51 inches, excluding the post cap.

    Parts and Materials

    Standard Post Cap: powder-coated aluminum.

    74-inch Steel Post with Welded Base Plate: powder-coated galvanized steel.

    3/4" U-Channel Rubber Strip: PVC (polyvinyl chloride).

    Top Rail: powder-coated aluminum.

    Bottom Rail: powder-coated aluminum.

    Horizontal Connector: aluminum.

    #8 x 3/4" ST Screw: 410 stainless steel.

    Composite Fence Board: wood-plastic composite (WPC).

    Groove Cover: powder-coated aluminum.

    • Eight Redwood composite boards form the joined infill, with a separate ½-inch clearance below the fence.
    • Wood-grain Redwood faces fill the space inside the metal frame.
    • Routine care does not require painting, staining or sealing the composite boards; cleaning is still needed.
    • Customers provide ground anchors for the steel posts' welded plates in this Surface Mount configuration.
  • Limited warranty periods (residential / commercial use):

    • Structural defects in Redwood boards and covered metal fence parts: up to 25 / 10 years.
    • Covered Redwood board color changes: up to 25 / 10 years.
    • Coastal metal coating defects: up to 5 / 3 years.
    • Non-coastal metal coating defects: up to 15 / 10 years.
    • Covered metal finish fading, all locations: up to 8 / 5 years.

    For metal coating coverage, use the nearest shoreline of an ocean, sea or saltwater bay. Salt or brackish tidal estuaries also count. Measure in a straight line from the installed part. A distance of 10 miles or less is coastal; farther away is non-coastal.

    Qualifying defects under normal use must meet the written terms, including color and coating claim conditions. Metal coverage applies only to covered parts and eligible factory finishes.

    Normal airborne coastal salt and salt spray alone do not exclude qualifying coating claims. The metal warranty excludes direct saltwater immersion or splash damage.

    Remaining coverage transfers with property ownership. Products must stay at the original site. Keep records of the products and original purchase date. Transfer or replacement does not restart coverage.

    For approved claims, Modern Yard refunds or replaces defective boards or parts. The original net purchase price determines the amount. The amount drops over time under the warranty schedule.

    Metal coating compensation is 100% in the term’s first half, 50% in the second. Other claims follow separate schedules.

    We do not pay for labor, installation, removal, reinstallation, freight or shipping. This changes if required by law or if Modern Yard expressly agrees in writing.

    Email service@mymodernyard.com with purchase records, photos, product details and the issue. Expect a decision or next steps within 7–14 business days. Contact Modern Yard for full warranty terms.

Related Components

Modern Yard 74-inch galvanized steel fence post with welded base plate and compatible system components

Modern Yard™ 74-Inches Steel Post with Welded Base Plate

Modern Yard horizontal fence rail set with matching rail components on a white background

Modern Yard™ Horizontal Fence Rail Set

Modern Yard Redwood composite fence board with wood-look finish on a white background

Modern Yard™ Redwood Fence Board (4-Pack)

Imagine Your Future Fence

Installation Guides

Installation Manual

​Technical Drawing


Frequently Asked Questions

Eight Redwood boards are installed in one section, supported by one horizontal rail set.

No. This version lists a 51-inch finished post height. Use that dimension for the assembled panel.

No. You supply ground anchors for the welded post plates.

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