Cullen Technical Guide 2024

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Steel Connections

FACE FIXED ONLY TO PACKER WITHIN STEEL – JOIST/TRUSS LINING THROUGH WITH BOTTOM OF STEEL

PARTIAL FIXING CAPACITY

UH OR HUH* – 195MM DEEP (195–202mm deep joists)

UH OR HUH* – 220MM DEEP (219–225mm deep joists)

UH OR HUH* – 235MM DEEP (235–254mm deep joists)

UH OR HUH* – 300MM DEEP (300–304mm deep joists)

Fixings (3.4 x 35mm Square Twist Nails)

Fixings (3.4 x 35mm Square Twist Nails)

Fixings (3.4 x 35mm Square Twist Nails)

Fixings (3.4 x 35mm Square Twist Nails)

Characteristic Capacity (kN)

Characteristic Capacity (kN)

Characteristic Capacity (kN)

Characteristic Capacity (kN)

C16 Timber

C16 Timber

C16 Timber

C16 Timber

Face Incoming Uplift

Face Incoming Uplift

Face Incoming Uplift

Face Incoming Uplift

10

2

1.98 12.40

14

2

1.98 13.20

18

2

1.98 15.20

18

2

1.98 15.20

Timber packer to be securely fixed to web of steel beam, packer to be fixed tightly to bottom flange of steelwork. Timber packer to be a minimum of C16 grade timber. Fixing of timber packer to steelwork by Building Designer. *HUH hanger top tabs are not required to be fixed for these load capacities. Tabs may be folded or cut to suit.

FACE FIXED TO PACKER WITHIN STEEL – JOIST/TRUSS DROPPED BELOW BOTTOM OF STEEL

PARTIAL FIXING CAPACITY

UH OR HUH* – 195MM DEEP

UH OR HUH* – 220MM DEEP

UH OR HUH* – 235MM DEEP

UH OR HUH* – 300MM DEEP

Fixings (3.4 x 35mm Square Twist Nails)

Fixings (3.4 x 35mm Square Twist Nails)

Fixings (3.4 x 35mm Square Twist Nails)

Fixings (3.4 x 35mm Square Twist Nails)

Characteristic Capacity (kN)

Characteristic Capacity (kN)

Characteristic Capacity (kN)

Characteristic Capacity (kN)

C16 Timber

C16 Timber

C16 Timber

C16 Timber

Face Incoming Uplift

Face Incoming Uplift

Face Incoming Uplift

Face Incoming Uplift

10

2

1.98 12.40

10

2

1.98 12.40

10

2

1.98 12.40

14

2

1.98 13.20

Timber packer to be securely fixed to web of steel beam, packer to be fixed tightly to bottom flange of steelwork. Timber packer to be a minimum of C16 grade timber. Fixing of timber packer to steelwork by Building Designer. *HUH hanger top tabs are not required to be fixed for these load capacities. Tabs may be folded or cut to suit.

FOR CONNECTIONS OUTWITH THIS SCOPE PLEASE CONTACT TECHNICAL SUPPORT FOR GUIDANCE

The latest most up to date version will always be online and not in print or in downloaded pdf.

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Technical support 01592 771132 / technical@itwcp.com / https://www.itwcp-offsite.co.uk

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