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ITS1.56/11.88 Engineered Wood Products Hanger

Simpson Strong-Tie

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Retail Price: $7.00
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G90 Galvanized
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Product Overview

ITS1.56/11.88 Engineered Wood Products Hanger

Simpson Strong-Tie offers a dedicated range of top-flange I-joist hangers that meet the unique needs of I-joists while offering superior performance and ease of installation.


The innovative ITS sets the standard for engineered wood top-flange hangers. The ITS installs faster and uses fewer nails than any other EWP top-flange hanger. The Strong-Grip™ seat and Funnel Flange™ features allow standard joist installation without requiring joist nails, resulting in the lowest installed cost. The Strong-Grip seat firmly secures I-joists with flange thicknesses from 1 1/8" to 1 1/2".

MIT/HIT — Positive-Angle Nailing (PAN)

PAN is specifically designed for I-joists when used with the MIT or HIT. With PAN, the nail hole material is not removed, but is formed to channel and confine the path of the nail at approximately 45°. PAN minimizes splitting of the flanges while permitting time-saving nailing from a better angle. See top-flange hanger tables.

Refer to joist manufacturer's literature or appropriate Simpson Strong-Tie Connector Selection Guide for actual joist sizes.


ITS — 18 gauge; MIT, HIT — 16 gauge


Galvanized (G90)


Use all specified fasteners. Verify that the header can take the required fasteners specified in the table.

See product-specific installation drawings.

ITS — no joist nailing required for standard I-joist installation without web stiffeners. When supporting I-joists with web stiffeners or rectangular SCL member (2) 0.148" x 1 1/2" must be installed into

optional triangle joist nail holes for standard installation values.

ITS — optional triangle nail holes may be used for additional load. See allowable load tables.

MIT — optional triangle nail holes may be used for increased uplift capacity. See Optional Nailing for Increased Uplift table.

HIT — closed PAN nail holes may be used for increased uplift capacity. See Optional Nailing for Increased Uplift table.

For sloped joists up to 1/4:12 there is no reduction; between 1/4:12 and up to 1/2:12, tests show a 10% reduction in ultimate hanger strength. Local crushing of the bottom flange or excessive deflection may be limiting; check with joist manufacturer for specific limitations on bearing of this type.

Allowable Loads

The ITS, MIT and HIT hangers have locations for optional nails if additional uplift is needed. Optional uplift nailing requires the addition of properly-secured web stiffeners. See the load tables for minimum required fasteners and allowable uplift loads.

For attaching to multi-ply headers, refer to technical bulletin Top-Flange Hanger Reductions for Multiple-Ply Headers (T-C-MPLYHEADR).


Because these hangers are fully die-formed, they cannot be modified. However these models will normally accommodate a skew of up to 5°.


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