Cullen Technical Guide 2026

Floors

RB–JHI

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Rapid Build Masonry Joist Hanger

The RB–JHI hanger is a timber to masonry hanger range designed for use with I–Joists, open web & solid timber joists/trusses. The RB–JHI combines the standard JHI hanger with a reinforced top plate to provide a superior level of performance. Features & Benefits — The addition of the reinforced top plate keeps the hanger in position eliminating the need for masonry above (unless required for further additional performance) — Supporting block work only needs to cure for 3 days instead of the standard 28 days for traditional masonry hangers, speeding up the build process — A major contribution to compliance with air leakage – Part L1 Building Regulations

Material Specification — Galvanised mild steel – Z600

Fixings Fixings required into incoming member only. No fixings required into masonry.

Code

Description

Box Qty

547389 141185

3.4 x 35mm Square Twist Nails – LOOSE 3.4 x 35mm Square Twist Nails – COLLATED*

500

2,500 *For use with Paslode PPNXi

Available Sizes – RB–JHI

Hanger Depth (H) (mm)

Hanger Width (W) (mm)

150

225

240

250

300

350

400

39 50 55 61 72 75 92

RB–JHI–39–150 RB–JHI–50–150

RB–JHI–39–225 RB–JHI–50–225 RB–JHI–55–225 RB–JHI–61–225

–

RB–JHI–39–250 RB–JHI–50–250

RB–JHI–39–300 RB–JHI–50–300

– – – – – – – – – –

– – – – –

RB–JHI–50–240

– – –

– –

– – –

–

RB–JHI–61–300

–

RB–JHI–72–240 RB–JHI–75–240

–

RB–JHI–75–150

RB–JHI–75–225 RB–JHI–92–225 RB–JHI–100–225 RB–JHI–110–225 RB–JHI–122–225 RB–JHI–125–225 RB–JHI–130–225 RB–JHI–138–225 RB–JHI–144–225 RB–JHI–150–225 RB–JHI–198–225 RB–JHI–225–225 RB–JHI–250–225

RB–JHI–75–250

RB–JHI–75–300 RB–JHI–92–300 RB–JHI–100–300

RB–JHI–75–400

–

–

–

–

100 110 122 125 130 138 144 150 198 225 250

RB–JHI–100–150

RB–JHI–100–240

RB–JHI–100–250

RB–JHI–100–400

– – – – – – – – – –

– – – – – –

– –

– –

– –

RB–JHI–125–250

RB–JHI–125–300 RB–JHI–130–300

RB–JHI–125–350

RB–JHI–125–400

– – –

– – – – – – –

– – –

– –

RB–JHI–150–240

RB–JHI–150–250 RB–JHI–198–250

RB–JHI–150–300 RB–JHI–198–300

RB–JHI–150–400

– – –

– – –

–

–

RB–JHI–250–250

RB–JHI–250–300

Dimensions (mm) RB–JHI – 39–138MM WIDE

RB–JHI – 144–198MM WIDE

250

250

80

80

H

H

W

W

66

66

RB–JHI–W–H Example: RB–JHI–50–225

RB–JHI–W–H Example: RB–JHI–150–225

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Technical support 01592 771132 / technical@itwcp.com / https://www.itwcoe.com

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