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MTSM/HTSM Twist Straps

MTSM/HTSM

Roof Truss and Rafter Connectors, Ties, and Straps for Cold-Formed Steel Construction

This product's information may differ depending on the category of use. You are currently viewing details related to Roof Truss and Rafter Connectors, Ties, and Straps for Cold-Formed Steel Construction. You can also view product information related to the categories of: Twist Straps for Masonry, Twist Straps for Plated Truss

The MTSM and HTSM offer high-strength truss-to-masonry connections.

Material

  • MTSM — 16 gauge; HTSM — 14 gauge

Finish

  • Galvanized. Some products available in stainless steel and ZMAX® coating. See Corrosion Information.

Installation

  • Use all specified fasteners; see General Notes.
  • May be attached to either side of a grouted block wall. A minimum of one #5 horizontal rebar shall be installed in the top course of this wall.

Related Literature

Load Tables

  1. All straps have additional fastener holes.
  2. Twist straps do not have to be wrapped over the truss to achieve the load.
  3. Minimum edge distance in concrete block for Titen® 2 screws is 1 1/2".
  4. Straps can be installed on the inside face of the wall.
  5. Min. f'm = 1,500 psi and f'c = 2,500 psi.
  6. See more information on Simpson Strong-Tie fasteners.

Code Reports

Part IAPMO UES ER ICC-ES ESR City of Los Angeles State of Florida
HTSMSee specific model numbers for code listings.
HTSM16 FL11473
HTSM20 FL11473
MTSMSee specific model numbers for code listings.
MTSM16 FL11473
MTSM20 FL11473

Drawings

Part Orthographic Perspective
HTSMNone None
HTSM16
HTSM16
DWGDXF
HTSM16 front view
DWG DXF
HTSM16 left view
DWG DXF
High Wind-Resistant Construction D31: Truss/Rafter Hip to End Wall
DWG DXF
HTSM20
HTSM20
DWGDXF
HTSM20 front view
DWG DXF
HTSM20 left view
DWG DXF
High Wind-Resistant Construction D20: Post-Installed Truss/Rafter to Masonry/Concrete
DWG DXF
MTSMNone
MTSM
DWG DXF
MTSM16
MTSM16
DWGDXF
MTSM16 front view
DWG DXF
MTSM16 left view
DWG DXF
High Wind-Resistant Construction D26: Truss/Rafter Hip to Wall
DWG DXF
High Wind-Resistant Construction D31: Truss/Rafter Hip to End Wall
DWG DXF
MTSM20
MTSM20
DWGDXF
MTSM20 front view
DWG DXF
MTSM20 left view
DWG DXF
High Wind-Resistant Construction D14: I-Joists to Masonry/Concrete
DWG DXF
High Wind-Resistant Construction D20: Post-Installed Truss/Rafter to Masonry/Concrete
DWG DXF