Cullen Technical Guide 2025

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JHI

Masonry Joist Hanger European Community Registered Design

The JHI hanger is a traditional timber to masonry hanger range designed for use with I–Joists, open web & solid timber joists/trusses. Features & Benefits — The same air leakage values of a wall with no protrusions, forming a major contribution towards Part L1 Building Regulations — Approved and tested for use with H&H Thin Joint System (Contact Technical for approved installation guide)

Material Specification — Galvanised mild steel – Z600

Fixings Fixings required into incoming member only. No fixings required into masonry. Code Description Box Qty 547389 3.4 x 35mm Square Twist Nails – LOOSE 500 141185 3.4 x 35mm Square Twist Nails – COLLATED* 2,500 *For use with Paslode PPNXi

Available Sizes – JHI/JHIST/JHIR (1)

Hanger Width (W) (mm)

225

240

250

300

350

400

39 50 55 61 65 75 92

JHI–39–225 (1) JHI–50–225 (1) JHI–55–225 JHI–61–225 JHI–65–225 JHI–75–225 (1) JHI–92–225 JHI–100–225 JHI–110–225 JHI–122–225 JHI–125–225

JHI–39–240 JHI–50–240

JHI–39–300 JHI–50–300 JHI–55–300 JHI–61–300 JHI–65–300 JHI–75–300 JHI–92–300 JHI–100–300

– – – – –

JHI–39–400

JHI–50–250

– – – –

– – –

JHI–61–240 JHI–65–240 JHI–75–240

JHI–75–250

JHI–75–350

JHI–75–400

– – – – – – – –

100 110 122 125 130 150 198

JHI–100–240

JHI–100–250

JHI–100–400

– –

– –

– –

– – – – –

JHI–125–240 JHI–130–240

JHI–125–250

JHI–125–300

JHI–150–225 JHI–198–225

– –

JHI–150–250 JHI–198–250

JHI–150–300 JHI–198–300

– (1) Sizes available as return (to suit 100mm block work only)

ALL RETURN AND NON–RETURN HANGERS REQUIRE 675MM OF MASONRY ABOVE

Dimensions (mm)

JHIST – STRADDLE (Straddles available 100- 200mm) JHIST straddle hangers not suitable for use on separating walls due to fire resistance/sound transference.

JHI – 39–138MM WIDE

JHI – 144–198MM WIDE

JHIR – RETURN

66

W

W

ST

W

66

R

75

75

H2

W2

H

H

H1

H

(straddle widths will be fabricated with a tolerance +2mm)

W1

66

66

66

66

JHI–W–H Example: JHI–50–225

JHI–W–H Example: JHI–150–225

JHIR–W–H–R Example: JHIR–50–225–100 Only sizes marked (1) available (Returns available to suit 100mm block work only)

JHIST–W–H–ST or JHIST–W1–H1– ST–W2–H2 Example: JHIST–50–225–100 Example: JHIST–50–225–100–75–225

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Technical support 01592 771132 / technical@itwcp.com / https://www.itwcp-offsite.co.uk

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