Connection Details

Connections are key to a strong e-joist floor frame. Use our simple guides to help.

A floor frame is a series of connections separated by joists and beams. Use the guides below to get it right the first time.

  • Joist Support at External Walls icon Joist Support at External Walls

    Connection of floor joists to internal loadbearing walls.

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  • Joist Support at Internal Walls icon Joist Support at Internal Walls

    Connection of floor joists to internal loadbearing walls.

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  • Web Stiffener Installation icon Web Stiffener Installation

    Web stiffener installation.

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  • Timber to Timber Connections icon Timber to Timber Connections

    Connection of floor joists to timber beams.

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  • Timber to Steel Connection icon Timber to Steel Connection

    Connection of floor joists to steel beams.

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  • Timber to Masonry Connection icon Timber to Masonry Connection

    Connection of floor joists to brick or concrete block walls.

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  • Cantilever Supporting Wall Frames icon Cantilever Supporting Wall Frames

    Cantilevered floor joists supporting load bearing wall frame over.

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  • Cantilever for Balcony icon Cantilever for Balcony

    Cantilevered floor joists supporting balcony only.

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Joist Support at External Walls

Connection of floor joists to external walls.

  • Nail joists at wall with 2/3.15 dia x 65mm long nails
  • Position nails to go through flange and avoid web
  • External support with rimboard
  • External support with e-joist continuous blocking
  • External support with double rimboard
  • External support
  • External support with minimum blocking
  • External support with 35mm rimboard to support balcony
  • External loadbearing support of concentrated loads
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Joist Support at Internal Walls

Connection of floor joists to internal loadbearing walls.

  • Internal support detail with minimum blocking
  • Internal support with loadbearing walls over
  • Internal loadbearing support of concentrated loads
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Web Stiffener Installation

Web stiffener installation.

  • Web stiffener installation
  • Web stiffener installation opposite side
  • Web stiffener installation over wall
  • Web stiffener installation under point load
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Timber to Timber Connections

Connection of floor joists to timber beams.

  • Joist fixing to timber beam using partial face mount hanger
  • Joist fixing to timber beam using face mount hanger
  • Joist fixing to timber beam using top mount hanger
  • Joist fixing to timber beam using UniLedger hanger
  • Joist fixing to timber beam using split hanger stacked to one side
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Timber to Steel Connection

Connection of floor joists to steel beams.

  • Joist fixing to steel beam using top mount hanger
  • Joist fixing to steel beam using face mount hanger
  • Joist fixing to steel beam cut in
  • Joist fixing to steel beam web cut in
  • Joist fixing to steel beam cut in - with packer
  • Joist fixing to steel PFC using face mount hanger
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Timber to Masonry Connection

Connection of floor joists to brick or concrete block walls.

  • Joist fixing to masonry wall using face mount hanger
  • Joist fixing to masonry wall using top mount hanger
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Cantilever Supporting Wall Frames

Cantilevered floor joists supporting load bearing wall frame over.

  • Brick edge cantilever
  • Loadbearing cantilever with trimmer support
  • Loadbearing cantilever
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Cantilever for Balcony

Cantilevered floor joists supporting balcony only.

  • Cantilevered balcony – deck joist adjacent
  • Cantilevered balcony – deck joist adjacent fixing detail
  • Cantilevered balcony – deck joist nested
  • Cantilever balcony – deck joist nested fixing detail
  • Cantilevered balcony - deck joist nested fixing detail section
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