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Masonry Joist Hanger European Community Registered Design JHI
— Suitable for use with Open Web Joists, I–Joists and trusses — Floor can be propped with acroprops and fully decked but must not be fully loaded until the masonry above has fully cured
In Situ
— A minimum of 3 courses (675mm) of masonry above is required for hanger to achieve loads stated — The masonry above must be fully cured for 28 days prior to loading the floor — All hangers in this range do not provide restraint, therefore restraint straps may be required for joist applications (see pages 128 – 129)
Load Data
Characteristic Capacity (kN)
Fixings (3.4 x 35mm)
Masonry Crushing Strength
Masonry Above (Min 675mm)
Product Code
Uplift
2.8N/mm 2 All widths
3.5N/mm 2 All widths
7.0N/mm 2
Incoming
39 – 100mm wide 122 – 198mm wide
JHI JHIR JHIST
2
2.00
Yes
11.17
13.97
23.04
13.97
5 (2)
4.50
Enhanced Uplift (2)
Hanger Depth (mm)
Min Timber Depth (mm)
— 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 — Web stiffeners required for I–Joists, 2No end blocks required for Open Web Joists & minimum bottom chord depth/vertical required for trusses — Requires minimum full storey of masonry above to achieve values
150
84
175 – 195 225 – 240
122 172 195 235 300 350
250 300 350 400
Incorrect Installation
5
MAX 6MM
NO GAP
Do not install the hanger with a gap between the hanger and the face of the block work.
Do not install the hanger onto a timber wall plate.
Do not install the hanger with a gap exceeding 6mm between the joist/truss and the hanger.
Do not flatten the 5mm upstands on the hanger top flanges. These are critical to the performance.
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Technical support 01592 771132 / technical@itwcp.com / https://www.itwcp-offsite.co.uk
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