Spiral® LH®-HZ® High-Performance Door
The Spiral LH-HZ (Low Headroom Hurricane Zone) door brings high speed and high security to applications with low headroom limitations above the door opening and that are in high wind velocity hurricane zones.
Heavy-duty reinforced hinges and rigid aluminum slats provide the strength required to handle hurricane-force winds.
Miami-Dade County, Florida NOA No. 23-0929.05 and Florida Product Approval FL# FL28502-R3. Certified to withstand winds up to 175 miles per hour.
The Spiral LH-HZ door is ideal for government, parking, security, transit facilities and automotive dealerships.
Spiral LH-HZ is backed by a 5-year limited warranty on motor/mechanical components and materials, plus a 2-year limited warranty on electrical components
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Special track design allows a door to fit with as little as 11 inches of clearance
AC drive allows for soft acceleration and deceleration, reducing wear, increasing door longevity and providing quiet operation
1 3/16-inch thick double walled aluminum slats certified to withstand winds up to 175 mphSmartSurround® Advanced Detection & Alert System
Next-generation pattern recognition and advanced traffic- sensing technology
Brake release handle
helps door open
manually in case of
power failure
Integral rubber
weatherseals
between slats
Bottom bar
seal for energy
efficiency
door in action!
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Benefits
- Special track design allows a door to fit with as little as 11 inches of clearance.
- Heavy-duty construction allows door to easily withstand pressure as well as large and small missile impact.
- Counterbalance system, patented spiral design and AC drive reduce wear and increase door longevity, with minimal preventative maintenance.
- Double walled aluminum slats, integral rubber weatherseals and heavy-duty hinge system provide solid security.
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Safety
- SmartSurround® Advanced Detection & Alert System combines optical light curtains to monitor traffic and visual safety lights – all in one.
- An electric reversing edge reverses door if anything comes in contact with it.
- Ry-Wi® Wireless System eliminates coil cords and provides two-way communication between control box and bottom bar.
- Mechanical brake release lever allows door opening in the event of power failure.
Performance You Can Count On
Construction
- Double-walled insulated 6-inch aluminum slats
- Integral weatherseal between the aluminum slats
- Heavy-duty hinge system for door panel assembly
- Durable powder coated steel side frames and low-profile track
- Extension springs in side column
Options
- Hood and motor covers
- Classic RAL and custom color match powder coated finish
See the Standard
Spiral® HZ® in Action
Engineered to Withstand a Hurricane
like the Spiral® LH®-HZ®
What Our Customers Have to Say
Document Resources
Additional manuals and documents available in our Document Resource Center. Click here to browse.
Let Us Help You Select the Right Door
Not sure if the Spiral LH-HZ is right for your needs? Rytec is a leader in the high-performance door industry and can help you evaluate a new build or retrofit project for any type of application. With a wide range of products from rigid rolling, fabric roll-up and sliding doors – let our knowledgeable Sales Reps located across North America help you determine the best doors and features for your unique needs.

























