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H1A Hurricane Tie

The H1A provides a connection between the truss or rafter and the wall of the structure that helps resist wind and seismic forces. The H1A is designed for nominal 2x lumber. These U-shaped hurricane ties provide faster installation than using two single-sided ties. The embossments add stiffness in crucial areas for improved performance.

Key Features

  • Holds the rafter or truss on both sides for high lateral load resistance
  • Can be installed on inside or outside of wall, or both sides
  • Can be installed with flanges facing either inward or outward
  • Provides faster installation than using two single-sided ties

Material

  • 18 ga.

Finish

  • Galvanized (G90) or ZMAX® coating; see Corrosion Information

Installation

  • Use all specified fasteners; see General Notes.
  • Hurricane ties do not replace solid blocking.
  • When installing ties on plated trusses (on the side opposite the truss plate) do not fasten through the truss plate from behind. This can force the truss plate off of the truss and compromise truss performance.

Related Literature

Wood Construction Connectors 2024-2025
C-C-2024
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.
Catalog
A Complete Connector System for Building Decks
DIY-DCKPTIOCA23
A tearpad for Canada showing on one side the hardware needed for a deck system, and on the other side the hardware needed for a patio cover system.
Flier
Un système de connexion complet pour la construction de terrasses
DIY-DCKPTOCA23F
Un étui à deux faces pour le Canada présentant le matériel nécessaire pour un système de terrasse et un système d’abri de terrasse. Des recommandations de produits plus récentes sont incluses.
Flier
Introducing Simpson Strong-Tie® H1A Hurricane Tie as Replacement for H1
L-C-H1A24
H1A hurricane tie provides a positive connection between the truss/rafter and the wall of the structure. The H1A provides higher allowable uplift loads using fewer fasteners than the H1.
Engineering Letter
H1A Limit States Design Values for Canada
L-C-H1ACAN23
This letter provides Factored Resistance Values for use with Canadian Limits States Design in accordance with CSA O86 and the National Building Code of Canada (NBC).
Engineering Letter
Hurricane Tie Installation over Wood Structural Panel (WSP) Sheathing
L-C-HTYOVRWSP24
This engineering letter provides guidance to building designers who wish to specify hurricane ties over wood structural panel (WSP) sheathing.
Engineering Letter

Product Information Table

Fastener Production Information and Stuff & Things
New products
Model No. Ga. Coating/Material Packaging Qty.
H1A 18 Zinc Galvanized, G90 1
H1AZ 18 ZMAX® 1

Load Tables

Load Values with Carbon Steel Nails

    These products are available with additional corrosion protection.

    H1A approved for installation with Strong-Drive® SD Connector screws.

Model No. Ga. Fasteners (in.) DF/SP Allowable Loads SPF/HF Allowable Loads
To Rafters/ Truss To Plates Uplift Lateral (160) Uplift Lateral (160)
(160) F1 F2 (160) F1 F2
  1. See Straps and Ties General Notes.
  2. Allowable loads in the F1 direction are not intended to replace diaphragm boundary members and do not account for possible cross-grain bending of the truss or rafter members.
  3. When cross-grain bending or cross-grain tension cannot be avoided in the members, mechanical reinforcement to resist such forces shall be considered by the designer.
  4. Fasteners: Nail dimensions in the table are listed diameter by length. For additional information, see Fastener Types and Sizes Specified for Simpson Strong-Tie Connectors.
  5. Using Strong-Drive SD Connector (SD9112) for 0.131” x 1 1/2” will get the same load as nails.
H1A 18 (4) 0.131 x 1 1/2 (4) 0.131 x 1 1/2 545 420 265 470 360 205

Load Values with Strong-Drive® SD Connector Screws

Model No. Fasteners DF/SP Allowable Loads SPF/HF Allowable Loads
To Rafters/ Truss To Plates/ Base To Studs/ Post Uplift Lateral Uplift Lateral
(160) F1 (160) F2 (160) (160) F1 (160) F2 (160)

    H1A is available with additional corrosion protection.

  1. H connector loads based on installation to double top plate.
H1A (4) SD9112 (4) SD9112 - 655 550 300 565 475 300

Code Reports & Compliance

Drawings

PDF DWG DXF RFA IFC SAT

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