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 HJHMI245/100 245mm x 100mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI2450100
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Simpson Strong-Tie HJHMI250/100 250mm x 100mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI2500100
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Simpson Strong-Tie HJHMI300/100 300mm x 100mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI3000100
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Simpson Strong-Tie HJHMI350/100 350mm x 100mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI3500100
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Simpson Strong-Tie HJHMI375/100 375mm x 100mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI3750100
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Simpson Strong-Tie HJHMI415/100 415mm x 100mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI4150100
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Simpson Strong-Tie HJHMI350/102 350mm x 102mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI3500102
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Simpson Strong-Tie HJHMI400/102 400mm x 102mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI4000102
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Simpson Strong-Tie HJHMI225/105 225mm x 105mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI2250105
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Simpson Strong-Tie HJHMI240/105 240mm x 105mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI2400105
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Simpson Strong-Tie HJHMI300/105 300mm x 105mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI3000105
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Simpson Strong-Tie HJHMI350/105 350mm x 105mm
Heavy Duty Masonry I-Joist Hanger Pre-Galv
Product Code: 78HJHMI3500105
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