Cullen Technical Guide 2024

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Steel Connections

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

PARTIAL FIXING CAPACITY

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)

Characteristic Capacity (kN)

Fixings (3.4 x 35mm Square Twist Nails)

Characteristic Capacity (kN)

Fixings (3.4 x 35mm Square Twist Nails)

Characteristic Capacity (kN)

Face

Incoming

Uplift

C16 Timber

Face

Incoming

Uplift

C16 Timber

Face

Incoming

Uplift

C16 Timber

14

2

1.98

13.20

14

2

1.98

13.20

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.

FACE FIXED TO PACKER WITHIN STEEL & FIXED TO TOP – JOIST LINING THROUGH WITH TOP FULLY FIXED TO STEEL

Hanger fixed to timber wallplate / packer secured to top flange and web of steel beam using 3.4 x 35mm square twist nails. Timber packer fixed to web of beam (as per Building Designers instructions) to prevent hanger rotation. Timber wallplate / packer must be a minimum of 35 x 72mm C16 grade timber.

Hanger fixed directly to top flange of steel beam using 4no. Spit Spitfire P370 Cartridge tool using SC9 nails or equivalent, into the hanger flanges. Hanger fixed to timber packer secured to web of steel beam using 3.4 x 35mm square twist nails. Timber packer fixed to web of beam (as per Building Designers instructions) to prevent hanger rotation. Timber packers must be a minimum of 35 x 72mm C16 grade timber.

Fixings

Characteristic Capacity (kN)

Hanger Width (mm)

Hanger Depth (mm)

Product Code

Face

Top

Incoming

Uplift

Down 13.20 15.20 15.20

220 235 300

18 18 22

3.97

220–235

HUH

39–300

24

6

4

3.97

23.30

300

*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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