Product Description
Simpson Strong-Tie Timber-SET Structural Epoxy Anchoring Adhesive is the first code-listed epoxy adhesive designed specifically for glued-in rod (GIR) applications in glulam and mass timber construction. This high-performance structural adhesive creates reliable, concealed connections by anchoring threaded rods directly into wood - eliminating exposed hardware while delivering engineered load capacity for demanding structural applications. Ideal for steel-to-wood, column-to-column, column-to-foundation, beam-to-column, and beam splice connections, Timber-SET is a complete solution for architects, engineers, and contractors working with mass timber structures.
Key Features
- First code-listed epoxy adhesive for glued-in rods in glulam - gives engineers and inspectors the documentation and confidence needed for permitted structural projects
- High-strength concealed connection by anchoring threaded rods in wood - eliminates exposed hardware for a clean aesthetic on visible timber members
- Shop-installed rods enable quick attachment of timber to steel in the field - reduces on-site labor time and speeds up project timelines
- Approved for five rod diameter options (1/2 in., 5/8 in., 3/4 in., 7/8 in., 1 in.) - provides design flexibility across a wide range of structural load requirements
- Load values and spacing requirements for both parallel-to-grain and perpendicular-to-grain applications - supports accurate structural design in any timber orientation
- Tested with cyclic axial load for seismic applications - validated for use in seismic zones where dynamic loading is a design consideration
- Tested for fluctuations in wood moisture content during construction - maintains performance integrity even as green or partially seasoned timber dries in place
- Gel viscosity limits adhesive from flowing out of the hole during horizontal installations - reduces waste and ensures proper adhesive fill without dripping or mess
- Thixotropic formulation allows adhesive to flow under pressure - ensures complete hole fill and full rod encapsulation for maximum bond strength
- Neutral gray color minimizes potential for staining of exposed timber - ideal for architecturally exposed structural timber (AEST) where aesthetics matter
- 32 oz. side-by-side cartridge with 1 mixing nozzle included - ready to use with a standard dual-component dispensing gun for consistent mix ratio
Why This Product
- The only code-listed epoxy adhesive for glued-in rod connections in glulam - meaning structural engineers and building officials can rely on published, tested load values rather than custom engineering for each project
- Designed specifically for mass timber construction with coverage across multiple connection types - steel-to-wood, column-to-column, column-to-foundation, beam-to-column, and beam splice - making it a single adhesive solution for an entire mass timber structure
- Seismic testing and moisture content variation testing address real-world construction conditions, giving project teams confidence that performance will hold up from shop fabrication through final occupancy
- Compatible with the complete Simpson Strong-Tie GIR system including threaded rods, centering and retaining caps, dispensing and cleaning tools, and Strong-Drive structural screws - reducing the need to source and coordinate multiple product lines from different suppliers
Specifications
- Brand: Simpson Strong-Tie
- Product Name: Timber-SET
- Product Class: Adhesive
- Packaging Type: Cartridge
- Approved Rod Diameters: 1/2 in., 5/8 in., 3/4 in., 7/8 in., 1 in.
- Application Type: Glued-in rod (GIR) in glulam and mass timber
- Color: Neutral gray
- Formulation: Thixotropic epoxy
- Country of Origin: United States
Available Pack Options
- TSET32: 1 Ea (1) AMN19Q mixing nozzle is supplied with each cartridge
- TSET32 -5: 5 Pk (1) AMN19Q mixing nozzle is supplied with each cartridge
Approved Applications
- Steel-to-wood connections
- Column-to-column connections
- Column-to-foundation connections
- Beam-to-column connections
- Beam splice connections
- Parallel-to-grain glued-in rod installations
- Perpendicular-to-grain glued-in rod installations
- Horizontal rod installations where adhesive flow-out is a concern
- Seismic applications requiring cyclic axial load performance
What's Included
- 1x AMN19Q mixing nozzle is supplied with each cartridge
Install With
- Use only Simpson Strong-Tie mixing nozzle in accordance with Simpson Strong-Tie instructions - modification or improper use of mixing nozzle may impair Timber-SET adhesive performance
- Compatible Tools ADT30S, ADTA30P dispensing tools / AMN19Q mixing nozzle
Downloads and Resources
Frequently Asked Questions
What makes Timber-SET different from other structural epoxy adhesives for wood?
Timber-SET is the first code-listed epoxy adhesive for glued-in rod (GIR) applications in glulam. This means it has published load values and spacing requirements for both parallel-to-grain and perpendicular-to-grain rod installations, giving structural engineers and code officials verified design data to work from - rather than relying on custom testing or unverified product claims.
Is Timber-SET tested for seismic conditions?
Yes. Timber-SET has been tested with cyclic axial loads for seismic applications. It has also been tested for fluctuations in wood moisture content during construction, addressing the real-world condition where timber may be partially green or drying in place when rods are installed in the shop prior to field erection.
Can Timber-SET be used for horizontal rod installations without the adhesive running out of the hole?
Yes. Timber-SET has a gel viscosity specifically formulated to limit the adhesive from flowing out of the hole during horizontal installations. Its thixotropic formulation means it remains in place under normal conditions but flows readily under the pressure of dispensing, ensuring complete encapsulation of the rod.
What rod sizes is Timber-SET approved for?
Timber-SET is approved for five threaded rod diameter options: 1/2 in., 5/8 in., 3/4 in., 7/8 in., and 1 in. This range covers a wide variety of structural loading scenarios in mass timber design, and load values are available for each approved rod diameter in both parallel-to-grain and perpendicular-to-grain orientations.
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