Cullen Technical Guide 2024

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HUH (I–Joist Applications)

Heavy Universal Hanger

Standard Installation – I–Joist Header without Backer Block

See Page 66 For Installation Instructions

— Fill all red holes as indicated for this installation — No backer block required — No web stiffeners required* — Top tabs to be wiped over and nailed — Min 2No fixings into rear ply and 1No fixing into front ply per leg for double headers — Additional triangular holes into face only required for solid headers

*Additional triangular holes into incoming joist only required for enhanced uplift. (for details see page 65)

Load Data

Fixings (3.4 x 35mm)

Characteristic Capacity (kN)

Joist Depth (mm)

Hanger Depth (mm)

Header

I–Joist Header

Incoming

Uplift

Face

Top

Solid Flange

LVL Flange

195-200

195

14 14 14 14 14 14

6 6 6 6 6 6

4 4 4 4 4 4

3.97 3.97 3.97 3.97 3.97 3.97

17.30 17.30 18.50 18.50 15.50 15.50

17.83 17.83 18.50 18.50 16.15 16.15

220

220-235 220-235

235-245

300

300 350 400

350-360

400

Enhanced Installation – I–Joist Header with Backer Block

See Page 66 For Installation Instructions

— Fill all red holes as indicated for this installation — All nail holes filled into backer block (including triangular) — Backer block required to hanger side only (follow I–joist manufacturer’s guidelines) — Min 2No fixings into rear ply and 1No fixing into front ply per leg for double headers — No web stiffeners required when using same hanger/joist depth*

*Additional triangular holes into incoming joist only required for enhanced uplift. (for details see page 65)

Load Data

Fixings (3.4 x 35mm)

Characteristic Capacity (kN)

Joist Depth (mm)

Hanger Depth (mm)

Header

I–Joist Header

Incoming

Uplift

Face

Top

Solid Flange

LVL Flange

195-200

195

20 24 24 24 30 30

6 6 6 6 6 6

4 4 4 4 4 4

3.97 3.97 3.97 3.97 3.97 3.97

28.50 28.50 28.50 28.50 28.50 28.50

28.50 28.50 28.50 28.50 28.50 28.50

220

220-235 220-235

235-245

300

300 350 400

350-360

400

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