Cullen Technical Guide 2024

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VS Variable Skewed Timber Hanger

Load Data

Characteristic Capacity (kN)

Fixings (3.4 x 35mm)

Hanger Depth (mm)

Uplift

I–Joist Header (all flanges)

Open Web Header

Header

Incoming

195/220/240

11 11

6 6

3.75 3.75

5.90 6.39

5.90 6.39

300

I–Joist Header With Backer

Glulam (Min GL28h)/LVL* Header

195/220/240/300

15

6

3.75

6.37

7.23 (7.28*)

Installation Instructions Stage 1

Stage 3 Locate incoming member and adjust side plate to correct angle, ensuring maximum gap between incoming joist/truss and back plate is no greater than 3mm.

Adjust side plate to approximate angle between 30° and 90° using scale on base of hanger, bending only once. Please refer to the angle table below to determine if one or two bends are required.

Single Bend

Joist Width (mm) Double Bend

Single Bend

35 38 44 45 47 51 53 58 59 60 63 70 72 76 88 89 90 94 97

30–90° 30–90° 30–90° 30–90° 30–90° >32–90° >32–90° >34–90° >34–90° >35–90° >37–90° >39–90° >40–90° >42–90° >46–90° >46–90° >46–90° >48–90° >49–90°

n/a n/a n/a n/a n/a

30–32° 30–32° 30–34° 30–34° 30–34° 30–37° 30–39° 30–40° 30–42° 30–46° 30–46° 30–46° 30–48° 30–49°

Max – 3mm gap at any given time

Double Bend

Stage 4

Fix to incoming member using 6No 3.4 x 35mm square twist nails. Where incoming member is an I–Joist, web stiffeners must be fixed as per the I–Joist manufacturer’s guidelines.

Stage 2 Position hanger against face of joist/truss and face nail using 11(15*)No nails in total.

*For solid headers

Please ensure that 1No inner nail hole (indicated in red) and 1No outer nail hole (indicated in red) are filled on the underside with 3.4 x 35mm square twist nails.

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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