Cullen Technical Guide 2024

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Flexible Masonry Hanger FMHI

Load Data

Fixings (3.4 x 35mm)

Characteristic Capacity (kN)

Masonry Above (Min 675mm)

Masonry Crushing Strength

Hanger Type

Angle

Uplift

Incoming

2.8N/mm 2

3.5N/mm 2

7.0N/mm 2

Padstone

FMHI/R/O/D

No

4

90º

n/a

20.01

28.31

FMHI/R/O/D

Yes

4

90º

2.00

19.83

24.79

43.00

43.00

30 – 42.5º 45 – 57.5º 60 – 72.5º 75 – 87.5º

2.00 2.00 2.00 2.00

9.98

12.48 15.60 18.72 21.80

18.30 22.90 27.50 32.00

20.00 25.00 30.00 35.00

12.48 14.97 17.44

FMHIS/FMHIRS

Yes

4

Enhanced Uplift — Fixings into the incoming joist/truss are required to resist uplift — Increased uplift figures can be achieved by nailing the additional triangular nail holes into the incoming member

Fixings (3.4x35mm)

Hanger Depth (H) (mm)

Characteristic Capacity (kN)

Min Timber Depth (mm)

Incoming

Uplift

150

97

175 – 195 225 – 240

122 147 147 172 197 222

250 300 350 400

6

4.67

150 – 400

FULL DEPTH

12

14.72

— Enhanced uplift only applicable for 90º hangers over 72mm wide — Requires minimum full storey of masonry above to achieve values

Plates omitted for clarity

Web stiffeners required for I–Joists

2No end blocks required for Open Web Joists

Minimum bottom chord depth or vertical required for trusses

Block must be the full width of the joist

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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