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The ALU20 18' × 6' horizontal sliding gate kit combines a heavy-duty framed gate body, 2-inch architectural aluminum slats, rolling and guide hardware, post options, and motor-ready planning in one coordinated package. Its wider format is intended for substantial driveways and vehicle entries where a swing arc would waste usable space. Gate problems usually begin before installation: the wrong opening style, inadequate side space, weak framing, poor track preparation, or hardware selected separately. This kit brings the main gate structure and sliding components into one coordinated system. A sliding leaf moves parallel to the fence line and does not swing into the driveway. That makes it practical where vehicles park close to the opening, the driveway is compact, or a swing arc would interfere with daily use. The project still needs enough clear side runback for the complete gate leaf. The ALU20 slat layout creates clean, continuous horizontal lines. The open spacing balances partial privacy, airflow, and visibility instead of closing the entrance with a fully solid panel. The entrance opens without taking over the front or rear driveway area. Aluminum eliminates rust staining associated with ferrous steel and does not need the staining schedule of wood. Daily use becomes cleaner when the track, wheels, guide, catcher, and stopper are aligned correctly. 6063-T6 aluminum helps control weight while the heavy-duty perimeter and secondary frame provide the gate's structural backbone. The slats complete the design, but the frame, wheel connections, and guide system carry the moving assembly. The included U bracket supports future automation planning. A compatible operator, power, mounting, access controls, safety devices, emergency access, and duty cycle must be selected for the finished gate and actual site. An 18-foot sliding leaf needs careful coordination between the gate frame, track foundation, wheel positions, upper guide, receiving catcher, post rigidity, wind exposure, and the available runback beside the opening. The larger span should be planned as one moving system, not as separate parts selected after construction. Explore the full-frame construction, horizontal slat layout, powder-coated finish, and completed gate applications. Select any image for a larger view without leaving the page. The ALU20 kit is organized to reduce separate sourcing and keep the frame, slats, rolling system, guide components, and stopping hardware coordinated. The listed package is an 18' × 6' horizontal sliding configuration. A wider moving leaf places greater importance on the finished opening, full side runback, grade, post condition, track foundation, wind exposure, operator sizing, finish, and local requirements. Confirm every site condition before ordering or pouring concrete. The package coordinates the frame, slats, sliding hardware, post, cap, motor bracket, guides, stops, catcher, and fasteners in one system. 4" HD USA aluminum perimeter frame Heavy-duty 2" × 4" aluminum frame member Internal frame reinforcement and assembly support Frame connection hardware for a clean structural assembly Track-channel components for the sliding system 2" × 3/4" × 8' horizontal aluminum profiles 2 1/2" rolling wheels for sliding movement Sliding-gate motor bracket with 3 1/2" screws 3" × 8' aluminum post with pressed flat cap 6" guide roller for upper gate alignment Receives and stabilizes the gate at the closed position 2 1/8" C truck component Defines the gate travel endpoint Black assembly and mounting fasteners Fasteners for compatible gate components 3" aluminum post cap Review the frame, slats, motor bracket, guide, wheels, channel, stopper, catcher, post, cap, and fastening components before assembly. This high-quality aluminum gate kit combines modern horizontal design, low-maintenance materials, and a complete sliding package for residential and select light-commercial properties. Final quantities and hardware should be confirmed against the order, project drawings, and site conditions. Heavy-duty aluminum framing supports the moving gate leaf and keeps the slats contained inside a real structural perimeter. The aluminum substrate will not rust like steel, while the exterior powder-coated finish is designed for long-term outdoor exposure. The gate travels alongside the fence line instead of swinging through the driveway, provided adequate side runback is available. Coordinate slat spacing, post selection, finish, automation, and adjacent fencing for a unified property entrance. See additional gate details and completed aluminum applications in a clean, consistent gallery. Browse completed gate and fence projects for layout, finish, and design inspiration. Select Play to view product details, installation examples, sliding-gate applications, and the structural gate-frame approach. The kit is designed for organized assembly, but the finished result depends on measurements, foundations, posts, alignment, and safety planning. Confirm the slide direction and complete runback before construction begins. Confirm the opening, side runback, finished grade, drainage, utilities, and a suitable foundation. Secure the support and guide posts for the actual loads and site. Use the supplied inner corner brackets and connectors to build the perimeter and secondary frame square, level, and to the approved dimensions. Set the channel or track straight and level. Attach the C wheels and upper guide roller so the leaf travels without binding or excessive movement. Position the stopper and catcher to control travel, support the closed gate, and protect the hardware from overrun. Install the included motor bracket only as required for the selected operator. Coordinate power, controls, loops, photo eyes, edges, emergency access, and required safety devices. Tighten fasteners, verify clearances, clean the track, check the guide and stopping points, and test the complete travel repeatedly before regular use. This 18-foot configuration is intended for wider projects where the complete gate can slide beside the opening and the property benefits from a modern horizontal aluminum design. It is especially useful when two-way vehicle access, larger vehicles, or a broad architectural entrance makes a smaller opening impractical. Review practical answers about opening size, movement, corrosion resistance, side runback, installation, automation, maintenance, and daily use. Aluglobus Aluminum Systems can help coordinate the gate package, post selection, finish, shipping, assembly guidance, and automation planning for contractors, installers, designers, homeowners, and serious DIY projects.A wide 18-foot sliding gate built around strength, movement, and clean horizontal lines.
The full perimeter frame carries the moving gate. The ALU20 slats create the architectural finish.
18' × 6' sliding configuration
Listed size18' × 6'
Gate movementSliding
Infill profileALU20 slat
Primary alloy6063-T6
Post options3", 4" or 6"
Choose the movement first. Then build the gate around the site.
Why people shift to sliding gates
Straightforward horizontal design
What changes after installation
Lightweight does not mean unframed
Motor-ready planning
Wide-opening coordination
The frame, slats, finish, and assembly all work as one gate.
Full-Frame StrengthALU20 sliding gate system
Universal Slat CompatibilityALU20 sliding gate system
Long-Lasting PowdercoatALU20 sliding gate system
Reinforced Hinge SupportALU20 sliding gate system
Premium Aluminum ConstructionALU20 sliding gate system
Easy DIY InstallationALU20 sliding gate system
Built for DIY assembly. Supported like a contractor system.
Know the system before the concrete is poured.
Aluminum is a non-combustible metal substrate and does not provide fuel to a fire. Final Zone Zero or code suitability depends on the complete installation, adjacent materials, attachments, vegetation, spacing, and local requirements.
What is included in the ALU20 18' × 6' sliding gate kit.
20' gate frame
12' secondary frame
Inner corner brackets
Inner connectors
Channel kit
ALU20 slats
Pair of C wheels
Motor U bracket
Heavy-duty post
Guide roller
Gate catcher
C truck
Gate stopper
#12 × 2 screws
#10 × 3/4 screws
Aluminum cap
See the components before assembly.
20' Gate Frame 4" HD USA ALUMINUM
HD Gate frame 12FT 2"x4"
U bracket for sliding gate motor + screws 3.1/2
Guide Roller
Gate stopper
C truck 2 1/8"
Gate catcher
Channel Kit
ALU20 HD USA 2" x 3/4 x 8FT
Pair C wheel 2 1/2"
3" Heavy Duty ALUMINUM POST 8' + 3" flat Aluminum cap
Screws
Practical movement. Strong framing. Modern curb appeal.
Superior strength and stability
Weather-resistant aluminum
Space-saving sliding design
Customizable architectural style
Horizontal aluminum details and completed applications.
Horizontal slat gate projectALU20 sliding gate system
ALU20 gate installation detailALU20 sliding gate system
Modern driveway gate applicationALU20 sliding gate system
Horizontal aluminum gate finishALU20 sliding gate system
Clean architectural slat layoutALU20 sliding gate system
Completed aluminum gate projectALU20 sliding gate system
More aluminum gate project inspiration.
Watch the system, installation, and frame approach.
Six steps that determine how the gate will move.
Prepare the installation area
Assemble the gate frame
Install the sliding mechanism
Set the stopper and catcher
Plan the optional motor
Make final adjustments
Ideal use cases
A clean solution for vehicle entries that need efficient movement.
Answers before you order.
Is this gate suitable for large driveways?
The listed gate is 18 feet wide and is intended for wide vehicle-entry applications. Confirm the required clear opening, complete gate leaf dimension, frame tail, post positions, guide location, operator area, and full side runback before ordering.What should be planned differently for an 18-foot gate?
The wider moving leaf makes track straightness, concrete support, wheel spacing, frame squareness, guide control, post rigidity, wind exposure, receiving hardware, and operator sizing more important. These items should be coordinated before foundations, posts, or electrical work are finalized.Does the gate slide smoothly?
The kit includes C wheels, a channel system, a guide roller, a stopper, and a catcher. With an 18-foot leaf, smooth movement depends especially on straight and level track work, square frame assembly, correct wheel placement, controlled guide pressure, rigid posts, clean travel, and regular inspection.Will the aluminum rust over time?
Aluminum does not rust like ferrous steel. Periodic cleaning and inspection still help protect the powder-coated finish, remove environmental buildup, and keep the rolling and fastening hardware in good condition.Do I need extra space for opening?
You do not need a front or rear swing arc, but an 18-foot sliding gate requires substantial clear side runback along the fence line. The complete moving leaf, tail, guide, stopper, catcher approach, and operator layout must fit beside the opening without interference.Is installation complicated?
The coordinated kit simplifies sourcing and assembly, but correct foundations, posts, frame squareness, track alignment, guide setup, and safety planning remain important. Professional installation is recommended for projects involving automation or complex site conditions.Can I automate this gate later?
Yes. A motor U bracket is listed with the kit. The operator, rack or drive method, power, duty cycle, access controls, emergency release, loops, photo eyes, edge sensors, and other safety devices are selected for the actual project.Does it require regular maintenance?
Maintenance is relatively low. Clean the finish with appropriate mild methods, keep the track free of debris, and periodically inspect wheels, guides, stops, catcher, fasteners, posts, operator equipment, and safety devices.Is it strong enough for daily use?
The gate uses heavy-duty aluminum framing with ALU20 infill and sliding hardware intended for regular operation. Because the leaf is 18 feet wide, final suitability depends on correct frame assembly, foundation design, post rigidity, hardware selection, wheel placement, gate weight, wind exposure, operator capacity, usage level, and maintenance.Send the opening, full runback, slide direction, photos, finish, operator plan, and project location.
