The Simpson Strong-Tie HJHMI Heavy Duty range is a series of structural-grade masonry supported joist hangers engineered specifically to accommodate deep, high-capacity engineered wood I-joists. Formed from robust 3mm thick pre-galvanised mild steel, these heavy-duty connectors provide a rigid, reliable interface for transferring heavy floor loads directly into supporting blockwork or structural steel beams. By supplying exceptional vertical shear capacity and side-flange restraint, this system effectively supports deep-set engineered timber layouts across wide-span intermediate floors, apartment separation zones, and demanding commercial developments.
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Engineered I-Joist Containment Features extra-high side flanges configured to provide excellent lateral containment for deep I-joist profiles, keeping the slim internal web fully stabilised and highly resistant to structural rotational forces. |
Elite Load Bearing Interface Includes an expanded top flange layout that optimizes surface contact area with masonry structures to ensure safe downward load distribution, whilst featuring a base slot to assist rapid ground-level tracking and inspection. |
Simpson Strong-Tie HJHMI300/70 300mm x 70mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI300070
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Simpson Strong-Tie HJHMI350/70 350mm x 70mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI350070
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Simpson Strong-Tie HJHMI400/70 400mm x 70mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI400070
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Simpson Strong-Tie HJHMI225/72 225mm x 72mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI225072
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Simpson Strong-Tie HJHMI240/72 240mm x 72mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI240072
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Simpson Strong-Tie HJHMI300/72 300mm x 72mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI300072
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Simpson Strong-Tie HJHMI350/72 350mm x 72mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI350072
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Simpson Strong-Tie HJHMI400/72 400mm x 72mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI400072
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Simpson Strong-Tie HJHMI245/75 245mm x 75mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI245075
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Simpson Strong-Tie HJHMI375/75 375mm x 75mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI375075
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Simpson Strong-Tie HJHMI415/75 415mm x 75mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI415075
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Simpson Strong-Tie HJHMI195/78 195mm x 78mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI195078
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