Simpson Strong-Tie Simpson Strong Tie THAI422 I-Joist & Structural Composite Lumber Hangers

This metal hanger is used to support and anchor 3-1/2-inch-wide I-joists and structural composite lumber with depths from 9-1/4 to 14 inches to supporting members. It has a 3-9/16-inch seat, is made from 18-gauge steel, and features positive-angle nailing (PAN) to help prevent splitting of the I-joist's bottom flange.

Model Number: THAI422

Project Ideas

Business

Pre-Cut Industrial Shelving Kits

Sell ready-to-install kits that include pre-cut hardwood or reclaimed boards, the THAI422 hangers, fasteners, mounting template, and instructions. Position them for DIY homeowners who want heavy-duty, exposed-hardware shelving without measuring or sourcing parts. Offer size variants for countertops, bookcases, and garage storage.


Contractor Installation Packs

Create bulk packs tailored for framers and remodelers: boxed sets of hangers, code-minded fasteners, installation guides, and layout stickers for quick on-site installation. Market these as time-saving, standardized components for joist-to-beam connections, emphasizing the hanger's PAN feature that reduces splitting and callout errors.


Signature Upcycled Furniture Line

Design and produce a line of tables, benches, and shelving that highlights the THAI422 as a visible design element, blending reclaimed wood with exposed structural hardware. Sell pieces on platforms like Etsy or at local markets; emphasize durability, industrial aesthetics, and the story of repurposed building materials.


Hands-On Workshops + Kits

Run maker workshops (in-person or virtual) teaching students how to build shelving, racks, or benches using these hangers. Charge per participant and sell companion take-home kits (hangers + wood + fasteners). Workshops create revenue and recurring sales from attendees who want additional kits or custom projects.


Architectural Hardware Curation Service

Build a small B2B business curating and selling architectural hardware bundles for designers and small builders—pair the THAI422 with coordinating fasteners, metal finishes, and installation templates. Offer small-batch, finished-hardware bundles for boutique commercial or residential projects that want a consistent industrial look without sourcing components individually.

Creative

Industrial Floating Shelves

Use the THAI422 as a visible, decorative bracket for heavy wood shelving. Mount several hangers to studs or a ledger board and sit 2x10 or reclaimed planks on the 3-9/16" seat for a rugged, industrial look. The hanger's 18-gauge steel and PAN design make it ideal for carrying heavier loads and preventing splitting in the shelf material—good for books, tools, or kitchen gear.


Heavy-Duty Coat & Gear Rack

Fasten a row of hangers to a finished wood board and install on an entry wall or mudroom to create a heavy-duty rack for coats, backpacks, helmets, or even bikes. The hangers' strength and angled nailing pattern mean they can take repeated loading; space them to accept different items and add hooks or pegs through the hanger holes for extra hanging points.


Portland-Style Planter Mounts

Create a balcony or patio planter system by mounting hangers to a pergola beam or fence post and using them as anchor points for cedar planter boxes or metal troughs. The hanger's capacity for 9-1/4"–14" depths lets you pair it with deep planters, and the steel construction stands up to outdoor use when finished with a rust-preventive coat.


Modular Workbench / Table Connector

Use the hanger as a mechanical connector between tabletop beams and removable legs to build a modular workbench or folding table. The seat provides a stable bearing surface and the positive-angle nailing characteristics reduce splitting when securing the tabletop flange. Design the legs to bolt into the hanger for a durable, serviceable joint.


Wall-Mounted Tool Organizer

Turn hangers into a heavy-duty garage organizer for rakes, shovels, and long-handled tools. Mount parallel hangers at different heights; the 3-1/2" joist width compatibility and robust profile make them perfect for wedging tool handles and keeping a tidy, easy-to-access layout. Add painted labels or a pegboard backing to finish the station.