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MSTAM Medium Strap Tie for Masonry


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Straight Straps for Plated Truss

This product's information may differ depending on the category of use. You are currently viewing details related to Straight Straps for Plated Truss. You can also view product information related to the category: Straight Straps for Masonry

The MSTAM is designed to resist tension loads in wood-to-masonry uplift applications. This medium strap tie is for use with either concrete or grout-filled concrete masonry units (GFCMU). The MSTAM utilizes a staggered nail pattern to help minimize wood splitting.

Key Features

  • Load-rated, precut strap designed for quick installation and optimal performance
  • Designed to resist wind and seismic forces
  • Attaches wood framing to concrete or grout-filled concrete masonry units including floor-to-floor clear span application


  • MSTAM36 — 16 ga.; MSTAM24 — 18 ga.


  • Galvanized


  • Use all specified fasteners; see General Notes
  • Attaches to concrete or GFCMU and wood framing
  • Minimum end and edge distance for Titen Turbo™ screws is 1 1/2"

Related Literature

Product Information Table

Fastener Production Information and Stuff & Things
Model No. Ga. W (in.) L (in.) Coating/Material Packaging Qty.
MSTAM24 18 1 1/4 24 Zinc Galvanized, G90 1
MSTAM24Z 18 1 1/4 24 ZMAX® 1
MSTAM36 16 1 1/4 36 Zinc Galvanized, G90 1
MSTAM36Z 16 1 1/4 36 ZMAX® 1

Load Tables

    These products are available with additional corrosion protection.

Masonry and Concrete Applications

Model No. Ga. Dim. (in.) Fasteners (in.) Allowable Tension Load DF/SP/SPF/HF (160)
W L Nails GFCMU Titen Turbo™ Concrete Titen Turbo™ GFCMU Concrete
MSTAM24 18 1 1/4 24 (9) 0.148 x 3 (5) 1/4 x 2 1/4 (5) 1/4 x 1 3/4 1,425 1,450
MSTAM36 16 1 1/4 36 (13) 0.148 x 3 (8) 1/4 x 2 1/4 (8) 1/4 x 1 3/4 1,870 1,870

See footnotes below.

Floor-to-Floor Clear Span Table

Model No. End Length (in.) Clear Span (in.) Fasteners (Total) (in.) Allowable Tension/ Uplift Loads
Nails GFCMU Titen Turbo™ Concrete Titen Turbo™ DF/SP SPF/HF
(160) (160)
MSTAM36 8 3/4 16 or 18 (7) 0.148 x 3 (4) 1/4 x 2 1/4 (4) 1/4 x 1 3/4 1,140 1,140
  1. Loads have been increased for wind or earthquake loading, with no further increase allowed. Reduce where other loads govern.
  2. Minimum edge distance for Titen Turbo screw is 1 1/2".
  3. Concrete shall have a minimum compressive strength of f'c = 2,500 psi.
  4. Grout-filled CMU (GFCMU) shall have a minimum compressive strength of f'm = 1,500 psi.
  5. Products shall be installed such that Titen Turbo screws are not exposed to the exterior environment.
  6. See Titen Turbo screw information.
  7. 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.

Code Reports & Compliance