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Heli-Tie™ Helical Stitching Tie

Heli-Tie™

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Helical Ties

This product's information may differ depending on the category of use. You are currently viewing details related to Helical Ties. You can also view product information related to the category: Crack Repair Accessories

The Simpson Strong-Tie® Heli-Tie helical stitching tie provides a unique solution to the preservation and repair of damaged brick and masonry structures. Ties are grouted into existing masonry joints to repair cracks and increase strength with minimum disturbance. Made of Type 304 stainless steel, the Heli-Tie stitching tie features radial fins formed on the steel wire via cold rolling process, increasing the tensile strength of the tie.

Key Features

  • Helical design distributes loads uniformly over a large surface area
  • Installs into the mortar joint to provide an inconspicuous repair and preserve the appearance of the structure
  • Type 304 stainless steel offers superior corrosion resistance to mild steel reinforcement
  • Patented manufacturing process results in consistent, uniform helix configuration (U.S. Patent 7,269,987)
  • Batch number printed on each tie for easy identification and inspection

Material

  • Type 304 stainless steel

Installation

  • Chase bed joint 20" on either side of the affected area to a depth of approximately 1 1/4" with a rotary grinding wheel. Vertical spacing of installation sites should be 12" for red brick or “every other course” for concrete masonry units.
  • Clear bed joint of all loose debris.
  • Mix non-shrink repair grout or mortar per product instructions and place into the prepared bed joint, filling the void to approximately two-thirds of its depth. Simpson Strong-Tie FX-263 repair mortar should be used.
  • Embed the tie at one-half the depth of the void. Trowel displaced grout to fully encapsulate the tie.
  • Fill any remaining voids and vertical cracks with non-shrink repair grout or other repair mortar to conceal repair site.

Ordering Information

  • Sold in tubes of 10

Related Literature

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2019–2021 Product Guide — Anchoring, Fastening Systems and Restoration Solutions for Concrete and Masonry
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2019–2021 Guía de productos - Anclaje, sistemas de sujeción y soluciones de restauración para concreto y mampostería
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A flier providing product and installation information on the Heli-Tie™ helical wall and stitching ties.
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A concrete products case study highlighting the the repair and stabilization of 100-year-old URM walls using Simpson Strong-Tie® Heli-Tie™ helical wall and stitching ties.
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Specification for Masonry Helical Anchors (DOC)
T-R-HELISPEC20 (DOC)
Suggested CSI format specification for Simpson Strong-Tie® Heli-Tie helical wall tie anchors for masonry
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Specification for Masonry Helical Anchors (PDF)
T-R-HELISPEC20 (PDF)
Suggested CSI format specification for Simpson Strong-Tie® Heli-Tie helical wall tie anchors for masonry
Technical Bulletin
Heli-Tie in Corner Applications
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Use of Simpson Strong-Tie Heli-Tie™ helical stitching tie (model number HELIST254000) in corner applications.
Engineering Letter

Product Information Table

Fastener Production Information and Stuff & Things
Model No. Coating/Material Size (in.) Carton Qty.
HELIST254000 Type 304 Stainless Steel 1/4 x 40 10

Code Reports & Compliance

Drawings

PDF DWG DXF RFA IFC SAT

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