Hurricane clips are metal connectors that help secure a roof to a home’s walls during high winds. The term is often used broadly: products sold as hurricane clips can include small framing ties, longer straps, and other engineered connectors. The right choice depends on the roof framing, wall construction, local building requirements, and the connection’s required uplift capacity. Knowing the main types—and their limits—helps homeowners, builders, and inspectors make better decisions about wind-resistant construction.
What Hurricane Clips Do
Wind moving over and around a house can create uplift, or an upward force on the roof. Strong winds can also push on walls and apply pressure from different directions. A roof-to-wall connector helps transfer these forces from a rafter or truss into the wall framing, creating a more continuous structural load path.
That load path may continue from the roof framing through wall studs and bottom plates to the foundation. A hurricane clip is one connection in that system, not a stand-alone guarantee that a building will withstand a hurricane. Roof sheathing, roof-to-wall framing, wall-to-floor connections, anchorage, openings, and construction quality also matter.
In residential construction, “hurricane clip” commonly refers to a metal connector attached to a rafter or truss and a wall top plate. In product catalogs and building plans, related items may instead be called hurricane ties, rafter ties, truss ties, straps, or roof-to-wall connectors. The names can overlap, so the product’s approved installation details and capacity are more useful than its informal label.
Main Types of Hurricane Clips
Single-Sided Hurricane Ties
A single-sided tie is installed on one side of a rafter or truss, connecting it to the wall’s top plate. Its compact shape can make it suitable for many standard framing layouts, especially where access to only one side is practical. These connectors are commonly formed from galvanized or otherwise corrosion-resistant steel.
Single-sided ties vary in geometry and strength. A small connector may work for a particular framing detail but may not provide the capacity required by a high-wind design. The specified fasteners, wood species, member dimensions, and installation pattern all affect performance. A product should not be selected solely because it fits the joint.
Double-Sided Hurricane Ties
Double-sided ties connect framing members to the wall from both sides, or use a configuration that engages both sides of the framing member. They can provide a more balanced connection and may offer higher allowable loads than a comparable single-sided connector, depending on the specific model and installation.
These ties can be useful where the design calls for increased uplift resistance or where the framing detail accommodates installation on both sides. They may require more room and more fasteners, and they must be installed exactly as specified. “Double-sided” does not automatically mean twice the strength; capacities must be checked in the manufacturer’s technical documentation.
Hurricane Straps
Hurricane straps are longer metal connectors that wrap over or alongside a rafter or truss and extend down to the wall framing. A strap may connect roof framing to a top plate, wall stud, or other designated structural member. Its length and fastening pattern can help distribute the connection across more of the framing than a compact tie.
Straps are not interchangeable with every clip. Some are designed for a specific orientation, framing size, or connection point, and the required nails or structural screws may differ. A strap’s rated capacity applies only when it is installed in the tested configuration. Cutting, bending, or substituting fasteners can reduce its performance.
Twist Straps and Angled Connectors
Twist straps are shaped or bent to connect members that meet at an angle or are offset. They are sometimes used where a conventional flat tie cannot sit correctly against the framing. Depending on the model, a twist strap may connect a rafter or truss to a wall plate or connect other framing elements.
These connectors are not intended to be bent arbitrarily in the field. A factory-formed twist is part of the product design; additional bending can damage the metal or alter how loads reach the fasteners. Installers should use the model and orientation called for in the plans or product instructions.
Truss Clips and Truss Ties
Truss connectors are designed for engineered roof trusses, whose members and joints differ from conventional rafters. Some products attach a truss heel to a wall plate; others connect truss components or address particular framing details. A connector intended for a sawn rafter should not be assumed suitable for an engineered truss.
Truss designs are typically provided by a truss manufacturer or design professional. Any change to a truss or its connection should follow the approved design. Installers should avoid cutting, drilling, or altering truss members without authorization from the responsible engineer or truss designer.
Retrofit Hurricane Clips and Straps
Retrofit connectors are intended for existing homes where access may be limited or the roof-to-wall connection needs improvement. They may be installed from an attic or other accessible area, depending on the product and the framing. Some require removal of roofing or finishes, while others can be fitted from inside.
Retrofitting is more complex than attaching a connector to exposed framing in new construction. The installer must identify the existing roof framing, wall plates, sheathing, wiring, and other obstructions, then confirm that the connector can be fastened to sound structural wood. A retrofit product does not solve weak or damaged framing, inadequate roof sheathing, or missing connections elsewhere in the load path.
How the Main Connector Types Compare
| Connector type | Typical configuration | Key consideration |
|---|---|---|
| Single-sided tie | Fastens one side of a rafter or truss to a wall plate | Compact; capacity depends on exact model and fasteners |
| Double-sided tie | Engages framing from both sides or uses a two-sided configuration | May suit higher-capacity details; needs adequate access |
| Strap | Extends over or alongside framing and down to wall members | Must follow specified length, orientation, and fastening pattern |
| Twist strap | Connects framing members that meet at an angle or offset | Use the manufactured shape; do not field-bend unless instructions allow it |
| Truss tie | Connects a roof truss to a wall or another specified member | Must match the engineered truss detail |
| Retrofit connector | Added to an existing roof-to-wall connection | Requires inspection of access, framing condition, and load path |
Choosing the Right Hurricane Clip
Start with the building plans and local code requirements. The required connector depends on the site’s design wind conditions, building configuration, roof geometry, exposure, and applicable code. Coastal location alone does not determine the answer. Local building departments may enforce a code edition with amendments that differ from those in another jurisdiction.
For new construction, the plans or structural details should identify the connection and, where applicable, the required capacity. For an existing home, a licensed contractor or structural engineer can assess the framing and recommend a suitable retrofit. A connector’s published allowable load is not automatically the required design value; the design professional must account for the applicable load conditions and connection details.
Before selecting a product, check:
- Framing type and dimensions: Confirm whether the roof uses sawn rafters or engineered trusses, and verify the member sizes.
- Wood condition: Fasteners need sound, appropriately sized structural wood. Rot, splitting, or damage can undermine the connection.
- Connector capacity: Compare the model’s technical data with the specified design requirement, not just its appearance.
- Fastener schedule: Use the precise nail or screw type, size, quantity, and location listed by the manufacturer.
- Exposure and corrosion: Select a finish and compatible fasteners suited to the environment, especially in coastal or otherwise corrosive conditions.
- Installation access: Confirm that the connector can be placed and fastened as intended without cutting structural members or interfering with utilities.
Why Fasteners and Installation Matter
A hurricane clip’s capacity depends on the whole connection: connector, fasteners, framing members, and installation. A strong tie installed with the wrong nails may not achieve its published capacity. Likewise, too few fasteners, fasteners placed in the wrong holes, or a connector attached to a weak portion of the framing can compromise performance.
Connector manufacturers publish installation instructions and technical data, often including allowable loads, required fasteners, corrosion information, and limitations. These details should be checked for the exact model number. Similar-looking connectors can have different dimensions and capacities, and a generic substitution may not meet the design.
Common mistakes include using drywall screws or other unapproved fasteners, omitting holes that the installation schedule requires, installing a connector backward, and fastening only into roof sheathing instead of the specified framing. A connector should not be modified to make it fit unless the manufacturer’s instructions or a qualified design professional explicitly permit the modification.
Building Codes, Ratings, and Product Documentation
U.S. building codes establish requirements for structural design and construction, but the applicable rules depend on the jurisdiction and adopted code edition. The International Residential Code and International Building Code include provisions for wind resistance and structural connections. Local amendments and project-specific engineering can add requirements, particularly in high-wind regions.
Connector manufacturers such as Simpson Strong-Tie and MiTek provide product catalogs, installation instructions, and technical data for their structural connectors. Product evaluation reports may also document code recognition for particular uses. Such documents apply only to the listed product and conditions; they do not replace local approval or project design.
Some jurisdictions require permits or inspections for structural renovations. Before retrofit work, homeowners should contact the local building department to confirm whether a permit is needed and what documentation is required. When a connection is difficult to inspect or the framing is unusual, professional evaluation can help prevent an incorrect installation.
Hurricane Clips Are One Part of Wind Protection
Roof-to-wall ties strengthen one important connection, but wind resistance depends on more than clips. Roof sheathing attachment, gable-end bracing, roof shape, wall framing, garage doors, windows, exterior doors, and foundation anchorage all contribute to how a building performs. A weak link elsewhere can limit the benefit of a stronger roof-to-wall connector.
Homeowners assessing storm protection should consider the house as a system. A qualified professional can identify whether the roof-to-wall connection is present, whether it is installed correctly, and whether other deficiencies should be addressed. Work should prioritize a continuous load path and follow applicable code, product instructions, and engineering details.
Frequently Asked Questions
Are hurricane clips and hurricane ties the same thing?
The terms are often used interchangeably in everyday conversation. In technical documents, the exact product name and model matter more than the general label. “Hurricane tie” may refer to a specific connector family, while “clip” can be used loosely for several roof-to-wall connectors.
Can hurricane clips be installed on an existing house?
Many homes can be retrofitted, but the correct approach depends on access, framing condition, and the connector’s approved installation. An assessment should confirm that the connector can attach to the intended structural members and that the rest of the load path is adequate.
Do hurricane clips prevent roof damage?
They can help resist uplift at the roof-to-wall connection when properly selected and installed, but they cannot guarantee that a roof or home will remain undamaged in a hurricane. Wind speed, debris, construction quality, maintenance, and other structural components also affect outcomes.
How many hurricane clips does a roof need?
There is no universal number. The count depends on the number and spacing of rafters or trusses, roof layout, design loads, connector capacity, and the approved construction detail. Plans, local code requirements, or a professional assessment should determine the quantity and placement.
Reliable Sources for Further Information
- International Code Council — information about model building codes, including the International Residential Code and International Building Code.
- Federal Emergency Management Agency — hurricane preparedness and building-safety resources, including guidance on reducing wind damage.
- Simpson Strong-Tie — connector catalogs, technical data, and installation instructions for structural products.
- MiTek — structural connector and building-product information, including product documentation.