Product Description
The Simpson LSTHD8RJ LSTHD 32-1/8 in. 14-Gauge Galvanized Rim-Joist Strap-Tie Holdown by Simpson is an embedded strap-tie holdown engineered to aid correct installation and improve performance in both wood and cold-formed steel construction. When installed on the forms with the StrapMate strap holder or other holding device, the unique design of this light cast-in-place strap-tie holdown delivers enhanced stability before and during the pour to help prevent both parallel and perpendicular movement - making it a dependable choice for rim joist framing and foundation-to-framing connections that demand precision and durability.
Key Features
- Staggered nailing pattern - helps minimize splitting and allows for nailing to the edges of double 2x members, giving installers more placement flexibility without compromising structural integrity
- Countersunk strap nail slots - provide a lower nail head profile when used with specified fasteners, resulting in a cleaner, more flush installation that reduces interference with adjacent framing
- Slots below the embedment line - enable increased front-to-back concrete bond and help reduce spalling, improving the holdown's long-term anchorage performance in cast-in-place applications
- Rim joist design accommodates up to a 17-in. clear span - without any loss of strap nailing, so builders can work around rim joist configurations without sacrificing the full fastening schedule
- 14-gauge steel construction - delivers the structural rigidity needed for demanding holdown applications while keeping the profile manageable during concrete forming
- G90 zinc galvanized coating - provides extra corrosion resistance, making this strap-tie holdown well suited for environments where moisture exposure is a concern
Why This Product
- Engineered for rim joist framing - the rim joist-specific design maintains the full strap nailing area across spans up to 17 in., so structural performance is never traded away for installation convenience
- Designed to stay put during the pour - the unique cast-in-place design resists both parallel and perpendicular movement when paired with a StrapMate strap holder or similar holding device, reducing costly misalignment before and during the concrete pour
- Corrosion-resistant finish for lasting performance - the G90 zinc galvanized coating provides extra protection against corrosion, making this holdown a reliable long-term solution in moisture-prone or treated-lumber environments
- Installation-friendly details built in - from countersunk nail slots that keep fastener heads flush to a staggered nailing pattern that protects wood members from splitting, every design element is aimed at reducing errors and speeding up the installation process
Specifications
- Model Number: LSTHD8RJ
- Gauge: 14
- Strap Length: 32-1/8 in.
- Coating/Finish: Zinc Galvanized, G90
- Recommended Fasteners: 0.148 in. x 3-1/4 in. nails
- Country of Origin: United States
- Pack Size: 10-Pack
Related Products
Note: Product dimensions and/or Screw or Bolt holes may differ from picture.
Frequently Asked Questions
What is the strap length of the LSTHD8RJ?
The LSTHD8RJ features a strap length of 32-1/8 in., making it suitable for rim joist applications that require extended reach.
What fasteners should be used to install this strap-tie holdown?
This holdown should be installed with 0.148 in. x 3-1/4 in. nails for proper performance as specified.
How does the rim joist design benefit installation?
Rim joist models accommodate up to a 17-in. clear span without any loss of strap nailing, offering flexibility during installation without compromising structural integrity.
What corrosion protection does the LSTHD8RJ offer?
The LSTHD8RJ is made from 14-gauge steel with a G90 zinc galvanized coating, providing extra corrosion resistance for demanding construction environments.
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