Cullen Technical Guide 2025

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I–CLIP Multiple I–Joist Connector

TO BE USED WITH 2 PLY JOISTS ONLY

Load Data Concentrated Point Load – 1 Pair

Concentrated Point Load – 2 Pairs

*

*

MAX 200MM

MAX 200MM

MAX 75MM

* To face of supported member

* To face of supported member

Fixings (3.4 x 35mm)

Fixings (3.4 x 35mm)

Characteristic Capacity (kN)

Characteristic Capacity (kN)

Header (per anchor)

Supported (per anchor)

Header (per anchor)

Supported (per anchor)

Solid Timber Flange I–Joist

Solid Timber Flange I–Joist

LVL Flange I–Joist

LVL Flange I–Joist

3

3

18.08

14.84

3

3

27.12

22.26

Regular Point Loads – 1 Pair

Regular Point Loads – 2 Pairs

=

=

*

*

MAX 300MM

MAX 300MM

* Centre of joist to centre of joist

* Centre of joist to centre of joist

Fixings (3.4 x 35mm)

Fixings (3.4 x 35mm)

Characteristic Capacity (kN)

Characteristic Capacity (kN)

Header (per anchor)

Supported (per anchor)

Header (per anchor)

Supported (per anchor)

Solid Timber Flange I–Joist

Solid Timber Flange I–Joist

LVL Flange I–Joist

LVL Flange I–Joist

3

3

9.04

7.42

3

3

13.56

11.13

Installation Instructions Stage 1

Stage 2

Stage 3

Lay I–Joist flat and mark location of I–Clips, press clips into position on top face of I–Joist.

Position second ply of multiple joist on top of I–Clips and tap together with a hammer to ensure a tight fit.

Fix I–Clips to top and bottom flanges of multiple I–Joist using 6No 3.4 x 35mm square twist nails ensuring that I–Joists are fitted tightly together.

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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