Product Description
The Simpson Heavy Masonry Twist Strap HTSM20 is a 20-inch heavy-duty twist strap engineered by Simpson to deliver high-strength truss-to-masonry connections in structural framing applications. Fabricated from 14-gauge steel and finished with a G90 zinc galvanized coating, this twist strap is specifically designed to help resist uplift forces at the truss-to-masonry joint - making it a dependable choice for contractors and builders tackling demanding structural connections to grouted concrete masonry units.
Key Features
- Installs with hex-head Titen screws - provides a secure, reliable fastening method purpose-built for masonry substrate connections
- Attaches to either side of grouted concrete block with a minimum one #5 rebar horizontal - gives installers flexibility in positioning while meeting the structural requirements of grouted CMU applications
- Made from 14-gauge steel - delivers the heavy-duty strength needed to handle demanding truss-to-masonry uplift loads
- Galvanized finish with G90 zinc coating - provides extra corrosion resistance for long-term durability in structural environments
Why This Product
- Purpose-built for uplift resistance - the twist strap profile is specifically designed to help resist uplift forces at the truss-to-masonry connection, addressing one of the most critical structural demands in framing construction
- Versatile masonry installation - the ability to attach to either side of a grouted concrete block gives builders practical flexibility without sacrificing the integrity of the connection
- Heavy-duty corrosion protection - the G90 zinc galvanized finish goes beyond basic protection, making this strap a sound long-term investment in structural connections exposed to moisture and the elements
- Trusted Simpson engineering - backed by Simpson's reputation for simple, versatile strap and plate solutions that join and reinforce joints across a wide range of heavy-duty structural applications
Specifications
- Model Number: HTSM20
- Length: 20 in.
- Gauge: 14
- Thickness: 68 mil
- Coating/Finish: Zinc Galvanized, G90
- Installation Fasteners: 10d common nails and Titen screws (sold separately)
- Country of Origin: United States
Approved Applications
- High-strength truss-to-masonry connections
- Installation on either side of grouted concrete block with a minimum one #5 rebar horizontal
- Resisting uplift forces in structural framing connections
Downloads and Resources
- Use all specified fasteners; See Specifications
Frequently Asked Questions
- What fasteners are used to install the HTSM20?
- The HTSM20 installs with hex-head Titen screws as well as 10d common nails. Always use all specified fasteners per the installation requirements.
- What type of masonry substrate is the HTSM20 designed for?
- The HTSM20 is designed to attach to either side of a grouted concrete block with a minimum one #5 rebar horizontal, making it suitable for grouted concrete masonry unit applications.
- What gauge steel is the HTSM20 made from, and how is it protected against corrosion?
- The HTSM20 is fabricated from 14-gauge steel and features a G90 zinc galvanized coating, which provides extra corrosion resistance for long-term durability in structural applications.
- What structural purpose does the HTSM20 serve?
- The HTSM20 twist strap offers a high-strength truss to masonry connection and is specifically designed to help resist uplift forces, providing a reliable and robust joint between truss framing and masonry walls.
Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.
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