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MTSM Medium Twist Strap for Masonry

MTSM

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Twist Straps for Plated Truss

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

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

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C-C-2021
A catalog including new product information as well as any applicable specification and installation instructions for wood-to-wood and wood-to-concrete structural connectors.
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Connectors for Cold-Formed Steel Construction Catalog
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A catalog for Connectors for Cold-Formed Steel Construction products and solutions.
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High Wind Guide
F-C-HWG20
A comprehensive guide to help Designers select the most appropriate connections for challenging, high-wind regions.
Product Guide
ICF Connectors
F-C-ICFVL19
A flier featuring installation instructions for the ICFVL ledger connector system and provides information on the various products we have to serve the ICF market.
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ICF Connectors
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A flier providing product and installation information about the various Simpson Strong-Tie products available to serve the ICF Ledger Connector Systems in Canada.
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High-Wind Retrofit Solutions for Homeowners
S-C-HWRGUIDE22
A flier providing recommendations on reducing the risk of hurricane- and other wind-induced damage to existing homes.
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Connectors for Florida Hurricane Mitigation Retrofit When Re-Roofing
T-C-FLCODE23
A technical bulletin explaining how to achieve sufficient uplift capacity for roof-to-wall connections, with references to the 7th edition (2020) of the Florida Building Code.
Technical Bulletin

Product Information Table

Fastener Production Information and Stuff & Things
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

MTSM Twist Straps Load Table
  1. Loads have been increased for wind or earthquake loading, with no further increase allowed. Reduce where other loads govern.
  2. Twist straps do not need to be wrapped over the truss to achieve the allowable load.
  3. Minimum edge distance for Titen Turbo screw is 1 1/2".
  4. See Titen Turbo screw information.
  5. Concrete shall have a minimum compressive strength of f'c = 2,500 psi.
  6. Grout-filled CMU (GFCMU) shall have a minimum compressive strength of f'm = 1,500 psi.
  7. 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.
  8. 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
Typical MTSM20 Installation

Code Reports & Compliance

Drawings

PDF DWG DXF RFA IFC SAT

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