MTSM Medium Twist Strap for Masonry
Twist Straps for Masonry
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Product Details
The MTSM offers moderate-strength truss-to-masonry connections. This twist strap has a small bend section to reduce interference at the transition points between the two members. The MTSM is load rated for installation on both grout-filled CMU (GFCMU) and concrete.
Key Features
- Straps do not need to be wrapped over the truss to achieve the allowable load
- Can be field bent once to a 45° angle
Material
- 16 gauge (54 mil)
Finish
- Galvanized; see Corrosion Information
Installation
- Use all specified fasteners; see General Notes
- Installs with hex-head Titen Turbo™ screws
- Attach to either side of grouted concrete block with a minimum one #5 rebar horizontal
- Products shall be installed such that Titen Turbo screws are not exposed to the exterior environment
Related Literature
Product Information Table
| Model No. | Thickness (mil) | Ga. | L (in.) | Coating/Material | Packaging Qty. |
|---|---|---|---|---|---|
| MTSM16 | 54 | 16 | 16 | Zinc Galvanized, G90 | 1 |
| MTSM20 | 54 | 16 | 20 | Zinc Galvanized, G90 | 1 |
Load Tables
- Loads have been increased for wind or earthquake loading, with no further increase allowed. Reduce where other loads govern.
- Twist straps do not need to be wrapped over the truss to achieve the allowable load.
- Minimum edge distance for Titen Turbo screw is 1 1/2".
- See Titen Turbo screw information.
- 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.
- Lateral loads apply when the first seven nail holes on the truss/rafter near the bend line are filled. Any other fasteners required can be installed in any open hole.
- Fasteners: Nail dimensions in the table are diameter by length. Titen Turbo screws are Simpson Strong-Tie® concrete and masonry screws (hex-head model required). For additional information, see Fastener Types and Sizes Specified for Simpson Strong-Tie Connectors.
Typical MTSM20 Installation
Code Reports & Compliance
Drawings
| DWG | DXF | RFA | IFC | SAT | |||
|---|---|---|---|---|---|---|---|
