MCB/MCBS Mass Timber Column Bases

  • Simpson MCB Mass Timber Base
    SKU: MCB6X11

    Simpson Mass Timber Column Base Standoffs

    9 Lengths | 6 Widths
    Lengths:
    8" 9-1/2" 11" 11-1/2" 13-1/2" 14" 15-1/2" 17" 18-1/2"
    Widths:
    6" 8" 9-1/2" 11-1/2" 13-1/2" 15-1/2"
    STARTING AT
    $157.50
    Ships Nov 13 when you order now
  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS9.5X9.5-X

    Simpson MCBS9.5X9.5-X Mass Timber Column Base Standoff 9-1/2" X 9-1/2", Made to Order Non-Returnable

    Ships in 1-3 business days.
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  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS9.5X15.5-X

    Simpson MCBS9.5X15.5-X Mass Timber Column Base Standoff 9-1/2" X 15-1/2", Made to Order Non-Returnable

    Ships in 1-3 business days.
    Call for Price
    Call to Order
  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS8X8-X

    Simpson MCBS8X8-X Mass Timber Column Base Standoff 8" X 8", Made to Order Non-Returnable

    Ships in 1-3 business days.
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  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS8X14-X

    Simpson MCBS8X14-X Mass Timber Column Base Standoff 8" X 14", Made to Order Non-Returnable

    Ships in 1-3 business days.
    Call for Price
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  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS6X6-X

    Simpson MCBS6X6-X Mass Timber Column Base Standoff 6" X 6", Made to Order Non-Returnable

    Ships in 1-3 business days.
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  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS6X11-X

    Simpson MCBS6X11-X Mass Timber Column Base Standoff 6" X 11", Made to Order Non-Returnable

    Ships in 1-3 business days.
    Call for Price
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  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS15.5X15.5-X

    Simpson MCBS15.5X15.5-X Mass Timber Column Base Standoff 15-1/2" X 15-1/2", Made to Order Non-Returnable

    Ships in 1-3 business days.
    Call for Price
    Call to Order
  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS13.5X18.5-X

    Simpson MCBS13.5X18.5-X Mass Timber Column Base Standoff 13-1/2" X 18-1/2", Made to Order Non-Returnable

    Ships in 1-3 business days.
    Call for Price
    Call to Order
  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS13.5X13.5-X

    Simpson MCBS13.5X13.5-X Mass Timber Column Base Standoff 13-1/2" X 13-1/2", Made to Order Non-Returnable

    Ships in 1-3 business days.
    Call for Price
    Call to Order
  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS11.5X17-X

    Simpson MCBS11.5X17-X Mass Timber Column Base Standoff 11-1/2" X 17", Made to Order Non-Returnable

    Ships in 1-3 business days.
    Call for Price
    Call to Order
  • Simpson Mass Timber Column Base with Standoff
    SKU: MCBS11.5X11.5-X

    Simpson MCBS11.5X11.5-X Mass Timber Column Base Standoff 11-1/2" X 11-1/2", Made to Order Non-Returnable

    Ships in 1-3 business days.
    Call for Price
    Call to Order
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Shop Simpson Mass Timber Column Bases at Fasteners Plus

Simpson MCB and MCBS Mass Timber Column Bases provide standardized connection between glulam columns and concrete foundations or supports. Concealed inside the glulam column, mass timber column bases provide a strong connection while enhancing architectural aesthetics.

Design Variations:

  • MCB: Economical option for conditions where a standoff is not required.
  • MCBS: Offers the highest download capacity for a given column size and includes a standoff for applications requiring separation between wood and concrete. Adjustable between 6" - 36" to meet specific project requirements.

Why Choose Simpson Mass Timber Column Bases


The MCB and MCBS Mass Timber Column Bases offer a concealed connection that enhances architectural aesthetics while providing fire protection. With versatile sizing, they accommodate a wide range of base dimensions and load capacities, ensuring flexibility for various project needs. CNC fabrication compatibility simplifies routing for precise column preparation, while their adjustability features allow for both vertical positioning using threaded rods and leveling nuts with a grout pad, and horizontal alignment via oversized holes in the base plate. Additionally, these bases are designed to meet seismic standards, making them suitable for column-to-foundation connections in any Seismic Design Category.

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If you have any questions about fastener options, please do not hesitate to reach out to our Product Experts at (888) 794-1590 or by email at customerservice@fastenersplus.com.