HETAL Heavy Embedded Truss Anchor (for Lateral Loads)
Girder Tiedowns for Masonry
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The HETAL provides an engineered method to attach roof trusses securely to concrete and masonry walls. This heavy embedded truss anchor works specifically to support lateral loads and features a staggered nail pattern to strengthen uplift resistance. The HETAL also features a built-in moisture plate that sits above the concrete or masonry wall.
- The strap can be installed straight or field-bent around truss or rafter members
- Built-in moisture barrier
- Load rated for wind and seismic forces
- Strap 16 gauge, truss seat 18 gauge
- Galvanized. Some products available in ZMAX® coating. See Corrosion Information.
- Use all specified fasteners; see General Notes.
- Embedded 5 1/16".
- For mislocated truss anchors which are greater than 1/8" but less than 1 1/2" from the face of the truss, a shim must be provided. Shim design by truss engineer. When gap is greater than 1 1/2", abandon existing embedded truss anchor and install new anchor per designer.
- Minimum spacing of single anchors is twice the embedment depth for full load. For closer spacing, see loads for double anchor installation.
- For lateral loads listed, the lowest four nail holes must be filled.
- Straps do not need to be wrapped over the rafter/truss to achieve tabulated loads, unless noted otherwise.
Product Information Table
|Model No.||Ga.||H (in.)||Coating/Material||Packaging Qty.|
|HETAL12||Seat 18; strap 16||7||Zinc Galvanized, G90||1|
|HETAL16||Seat 18; strap 16||11||Zinc Galvanized, G90||1|
|HETAL20||Seat 18; strap 16||15||Zinc Galvanized, G90||1|
|HETAL20Z||Seat 18; strap 16||15||ZMAX®||1|
These products are available with additional corrosion protection.
- Loads have been increased for wind or earthquake loading, with no further increase allowed. Reduce where other loads govern.
- Concrete shall have a minimum compressive strength of f'c = 2,500 psi.
- Grout-filled CMU (GFCMU) shall have a minimum compressive strength of f'm = 1,500 psi.
- For simultaneous loads in more than one direction, the connector must be evaluated using either the Unity Equation or the 75% Rule, as described in Straps and Ties General Notes.
- F1 lateral load toward face of HETAL is 1,870 lb.
- The HETAL requires five nails installed in the truss seat.
- It is acceptable to use a reduced number of fasteners provided that there is a reduction in uplift allowable load. Calculate the connector allowable load for a reduced number of nails as follows: Allowable Load = (No. of Nails Used) / (No. of Nails in Table) x Table Load.
- Fasteners: Nail dimensions in the table are listed diameter by length. For additional information, see Fastener Types and Sizes Specified for Simpson Strong-Tie Connectors.
Code Reports & Compliance