Cullen Technical Guide 2024

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Steel Connections TOP FIXED TO STEEL WITH OR WITHOUT MASONRY ABOVE

PARTIAL FIXING CAPACITY

MASONRY HANGERS MUST BE USED WHEN MASONRY BEING CONSTRUCTED ABOVE STEEL FLANGE

Characteristic Capacity (kN)

Hanger Width (mm)

Hanger Depth (mm)

Hanger Type

Top

Incoming

Uplift

Down 23.04 13.97 28.31

JHI JHI

39–100 All depths 122–198 All depths 39–250 All depths

4 4 4

2 2 2

2.00 2.00 2.00

Steel Beam

Steel Beam

RB–JHI

JHI Hanger

RB–JHI Hanger

Hanger shot fired to steel beam with SC9 nails or equivalent per leg using SPIT P370 Cartridge Tool.

PARTIAL FIXING CAPACITY

TOP FIXED TO STEEL WITH NO MASONRY ABOVE

Hanger must be folded above the snap line

Characteristic Capacity (kN)

Hanger Width (mm)

Hanger Depth (mm)

Hanger Type

Top

Incoming

Uplift

Down 10.80

195

2

2

1.98

UH 39–100

220/235/ 300

2

4

3.97

10.80

Steel Beam

Steel Beam

HUH 39–300 All depths

6

4

3.97

13.20

UH Hanger

HUH Hanger

Hanger shot fired to steel beam with SC9 nails or equivalent per leg using SPIT P370 Cartridge Tool.

Hanger must be folded above the snap line

Timber wall plate*

Characteristic Capacity (kN) Uplift Down 1.98 10.80

Hanger Width (mm)

Hanger Depth (mm)

Hanger Type

Face

Top

Incoming

Timber wall plate*

195

4

2

2

UH 39–100

220/235/ 300

4

2

4

3.97 10.80

HUH 39–300 All depths 6

6

4

3.97 13.20

Steel Beam

Steel Beam

*Min 35x72 C16 fixed to steel as per Building Designer’s specification.

UH Hanger

HUH Hanger

Hanger nailed to timber packer with 3.4x35mm Square Twist Nails.

PREVENTING HANGER ROTATION FOR TIMBER & MASONRY HANGERS

MAX 30% OF HANGER DEPTH

MAX 30% OF HANGER DEPTH

Where hanger does not extend past/or rest on the bottom of the steel flange a timber packer is required to prevent rotation.

Where hanger extends past bottom of steel flange the drop must not exceed 30% of the hanger depth to prevent rotation.

Where hanger extends past bottom of steel flange and drops >30% of the hanger depth a timber packer fixed as per building designers details can be used to reduce drop depth to <30%.

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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