HHETA Extra-Heavy Embedded Truss Anchor
Roof Truss and Rafter Connectors, Ties, and Straps
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Product Details
The HHETA provides an engineered method to attach roof trusses securely to concrete and masonry walls. This extra-heavy embedded truss anchor features staggered screw patterns to strengthen uplift resistance and can be used in pairs on single- and multi-ply trusses. The versatile HHETA can be installed straight or field-bent around truss or rafter members.
Key Features
- Indented embedment line ensures accurate embedment depth
- Load rated for wind and seismic forces
Material
- 14 gauge
Finish
- Galvanized
Installation
- Use all specified fasteners; see General Notes.
- Embedded 4" into a 6" min. concrete beam or 8" nominal grouted block wall.
- For mislocated truss anchors 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", install new anchors.
- Minimum spacing of single anchors is twice the embedment depth for full load. For closer spacing, see loads for double anchor installation.
- In double anchor installations, install anchors with spoons facing outward and straps spaced no more than 1/8" wider than the rafter/truss width.
- Lateral loads are limited to 54 mil (16ga.) CFS members
Related Literature
Product Information Table
| Model No. | Ga. | H (in.) | Coating/Material | Packaging Qty. |
|---|---|---|---|---|
| HHETA16 | 14 | 12 | Zinc Galvanized, G90 | 1 |
| HHETA18 | 14 | 14 | Zinc Galvanized, G90 | 1 |
| HHETA20 | 14 | 16 | Zinc Galvanized, G90 | 1 |
| HHETA24 | 14 | 20 | Zinc Galvanized, G90 | 1 |
| HHETA40 | 14 | 36 | Zinc Galvanized, G90 | 1 |
Load Tables
Single Embedded Anchor Installation
- Allowable loads may not be increased for wind or seismic load.
- Minimum f'c = 2,500 psi. Minimum f'm = 1,500 psi.
- For simultaneous loads in more than one direction, the connector must be evaluated as described in Note d, under General Instructions to the designer.
- It is acceptable to use a reduced number of fasteners provided that there is a reduction in uplift load capacity. Lateral loads do not apply when fewer fasteners are used.
- The HHETA allowable F1 load can be increased to 435 lb. if the strap is wrapped over the truss and a minimum of 12 fasteners are installed.
- Minimum spacing for multiple anchor installation is two times the embedment depth for full load. See Double Embedded Anchor Installation table below for loads on closer spaced anchors.
- Minimum edge distance is 1 1/2" for concrete and 2" masonry.
- Lateral loads are limited to 54 mil (16 ga.) CFS members.
- See Fastening Systems for more information on Simpson Strong-Tie fasteners.
Double Embedded Anchor Installation
- Allowable loads may not be increased for wind or seismic load.
- Minimum f'c = 2,500 psi. Minimum f'm = 1,500 psi.
- For simultaneous loads in more than one direction, the connector must be evaluated as described in Note d, under General Instructions to the designer.
- Minimum spacing for multiple anchor installation is two times the embedment depth for full load. See Double Embedded Anchor Installation table for loads on closer spaced anchors.
- Install with spoons facing outward and straps spaced no more than 1/8" wider than the truss width.
- F1 lateral loads listed may cause an additional 1/16" deflection beyond the standard 1/8" limit where the straps are installed not wrapped over the heel as shown.
- Lateral loads are limited to 54 mil (16 ga.) CFS members.
- See Fastening Systems for more information on Simpson Strong-Tie fasteners.
Code Reports & Compliance
Drawings
| DWG | DXF | RFA | IFC | SAT | |||
|---|---|---|---|---|---|---|---|
