The Simpson Strong-Tie SAI Heavy Duty Concealed Flange range is an engineered selection of high-capacity internal flange joist hangers developed specifically for timber-to-timber framing and post connections requiring additional strength. Featuring inwardly turned side flanges, these premium components allow joists to be mounted flush against headers, corners, or post edges where standard external ears would interfere. This compact layout delivers clean structural connections and exceptional load capacity across multi-storey residential projects, narrow partition gaps, and architectural timber framing layouts.
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Concealed Internal Flange Profile Engineered with inward-facing tabs starting at a minimum width of 91mm, hiding the bracket edges to allow sleek joist-to-post joints and clean, unhindered corner framing finishes. |
Heavy-Duty Load Integrity Manufactured from high-yield pre-galvanised mild steel, utilizing full nailing patterns with 3.75x30mm square twist nails to provide premium resistance against vertical downward forces. |
Simpson Strong-Tie SAI380/90/2 90mm Width
x 145mm Height Concealed Hanger Pre-Galv
Product Code: 78SAI380090
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Simpson Strong-Tie SAI380/99/2 99mm Width
x 140mm Height Concealed Hanger Pre-galv.
Product Code: 78SAI380099
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Simpson Strong-Tie SAI500/91/2 91mm Width
x 205mm Height Concealed Hanger Pre-galv
Product Code: 78SAI500091
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Simpson Strong-Tie SAI500/99/2 99mm Width
x 200mm Height Concealed Hanger Pre-galv
Product Code: 78SAI500099
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Simpson Strong-Tie SAI500/118 118mm Width
x 191mm Height Concealed Hanger Pre-galv
Product Code: 78SAI500118
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Simpson Strong-Tie SAI500/125 125mm Width
x 188mm Height Concealed Hanger Pre-galv
Product Code: 78SAI500125
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Simpson Strong-Tie SAI500/136/2 136mm Width
x 182mm Height Concealed Hanger Pre-galv
Product Code: 78SAI500136
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Simpson Strong-Tie SAI500/142/2 142mm Width
x 179mm Height Concealed Hanger Pre-galv
Product Code: 78SAI500142
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Simpson Strong-Tie SAI500/150/2 150mm Width
x 175mm Height Concealed Hanger Pre-galv
Product Code: 78SAI500150
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Simpson Strong-Tie SAI590/200 200mm Width
x 195mm Height Concealed Hanger Pre-galv
Product Code: 78SAI590200
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Simpson Strong-Tie SAI600/91/2 91mm Width
x 265mm Height Concealed Hanger Pre-galv
Product Code: 78SAI600091
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Simpson Strong-Tie SAI600/99/2 99mm Width
x 260mm Height Concealed Hanger Pre-Galv
Product Code: 78SAI600099
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