Alumission Aluminum Railing Kit Miami Style
Miami Style 42-Inch Aluminum Railing Kit
Create a durable, low-maintenance deck, balcony or patio guardrail with a coordinated aluminum railing system built around the Miami pattern. The horizontal layout uses six 5.5-inch horizontal slats and five 1-inch accent slats with 1/2-inch gaps for a crisp mixed-width design with one additional accent slat. Select the run length, finish and installation method that fit your project.
- Finished railing height: designed for approximately 40–42 inches above the walking surface when installed and field-adjusted correctly
- Modular layout: planned in nominal 4-foot sections with posts typically laid out at 48-inch centers
- Mounting choices: Base Mount, Side Mount or Core Drill—choose according to the supporting structure and approved anchor plan
- Project-ready appearance: powder-coated aluminum components with concealed post channels, snap covers and matching caps
- Optional top rail: add the Aluminum Side Post profile as a continuous graspable visual cap where desired and permitted
Before ordering: confirm the total run, post locations, corners and ends, substrate, attachment method, finished height and local code requirements. Field cutting, structural blocking and site-specific anchors may be required.
WHAT’S INCLUDED:
What’s Included
Quantities below describe one nominal 4-foot Miami railing module. Complete runs also require a terminal post at the end, so final post count depends on layout.
Miami slat schedule per 4-foot module
- 6 × 5.5-inch aluminum slats, each cut for one nominal 4-foot railing module
- 5 × 1-inch aluminum slats, each cut for one nominal 4-foot railing module
- Aluminum spacer pieces sized for the 1/2″ layout
- Stainless steel #6 × 1/2-inch self-drilling assembly screws; one 25-piece pack is planned for each 24 aluminum slats
Posts and trim
- One structural aluminum post per 4-foot module, plus one terminal post at the end of the run
- Two aluminum snap-on channel covers and one matching post cap for each post
Mounting-method components
| Method | Included post hardware |
|---|---|
| Base Mount | 4-foot aluminum post, one 18-inch zinc-coated steel post base and one aluminum base cover per post |
| Side Mount | 5-foot aluminum post stock to provide the lower structural extension; base plate and base cover are not used |
| Core Drill | Post stock selected for embedment; the required embedment depth and setting material must be confirmed for the project |
Optional: Aluminum Side Post profile may be used as a top rail; plan one 4-foot piece per module, subject to field cuts and layout.
Not included: substrate-specific anchors, structural blocking, waterproofing sealant, core-drill grout, cutting or drilling tools, permits, engineering, or installation labor.
Box Weight
Box Dimension
TECHNICAL SPECIFICATIONS & INSTALLATION
Miami Aluminum Railing Technical Specifications
This 42-inch-class horizontal aluminum railing kit is organized in repeatable 4-foot modules. Use the schedule below for estimating; field conditions, corners, stairs and termination details can change final quantities.
| Design | Miami style — six 5.5-inch horizontal slats and five 1-inch accent slats with 1/2-inch gaps |
|---|---|
| Nominal module length | 4 feet |
| Typical post spacing | 48 inches on center |
| Typical clear span | Approximately 44.5 inches between 3.5-inch-wide posts; verify slat engagement in both post channels before cutting |
| Finished height | Approximately 40–42 inches above the walking surface, depending on mounting method and field adjustment |
| Post profile | Approximately 3.500 × 1.752 inches, with two channels and snap-on covers |
| Slat schedule per module | 6 × 5.5-inch slats plus 5 × 1-inch slats |
| Slat spacing | 1/2″ pattern; confirm the completed opening dimensions against the governing code |
| Base-mount hardware | 4-inch-square × 1/8-inch steel plate with four 3/8-inch anchor holes, integrated with an 18-inch zinc-coated steel post base; 4.375-inch-square × 1-inch aluminum cover |
| Side-mount post stock | 5 feet, providing a lower extension for fascia attachment; at a 42-inch finished height, approximately 18 inches may extend below the walking surface |
| Optional top rail | Aluminum Side Post profile, approximately 1.750 × 2.115 inches |
| Material and finish | Powder-coated aluminum railing components with zinc-coated steel base hardware where applicable |
Installation planning
- Measure the entire run and mark end, corner and intermediate post locations.
- Verify that the deck, slab, wall or fascia can carry guard loads; add structural blocking or engineering where required.
- Select anchors and waterproofing compatible with the actual substrate and local exposure.
- Set posts plumb at the planned spacing. For surface mounting, seal penetrations with compatible exterior-grade sealant.
- Field-cut slats as needed while maintaining full engagement in both post channels.
- Install spacers and slats in the specified Miami sequence, then fasten, fit channel covers and caps, and install the optional top rail if selected.
- Inspect height, openings, rigidity, fasteners and drainage before use.
Care and maintenance
Rinse loose debris with clean water and wash periodically using mild soap, water and a soft cloth or sponge. Avoid steel wool, aggressive abrasives and harsh solvents. Coastal, poolside and industrial environments benefit from more frequent fresh-water rinsing to remove salt and airborne deposits.
Important code and safety note
Guardrail requirements vary by location, building type and installation height. The project owner and installer are responsible for permits, approved anchorage, structural support, opening limitations and compliance with the authority having jurisdiction. Product dimensions are planning information, not project-specific engineering.
Miami Aluminum Railing Questions & Answers
Use these answers to plan your railing project, then confirm site-specific structural and code requirements before installation.
What finished height does this railing create?
The kit is designed for an installed height of approximately 40–42 inches above the walking surface. Final height depends on the mounting method, substrate and field layout, so verify the governing requirement before drilling.
What makes the Miami style different?
The Miami pattern uses six 5.5-inch horizontal slats and five 1-inch accent slats with 1/2-inch gaps. It creates a crisp mixed-width design with one additional accent slat while keeping the coordinated post-and-channel construction used across Alumission railing kits.
How do I calculate the quantity for my run?
Measure the total run in feet, divide by four and round up for the number of nominal modules. Plan one post per module plus one terminal post at the end, then adjust for corners, gates, stairs and field cuts.
What is the distance between posts?
The system is planned around 48-inch post centers. With approximately 3.5-inch-wide posts, the typical clear opening is about 44.5 inches; always verify actual field dimensions and required slat engagement.
What is the difference between Base Mount, Side Mount and Core Drill?
Base Mount anchors a steel post base to the top of a suitable surface and hides it with an aluminum cover. Side Mount attaches the longer post to a structural fascia or wall face. Core Drill embeds the post into a properly sized and prepared opening. The supporting structure and approved attachment plan determine the right method.
Are anchors included?
No. Anchor type, diameter and embedment depend on concrete strength, framing, blocking, edge distance and exposure. Use anchors specified for the actual structure by the responsible professional or local authority.
Can I install the railing on wood framing or a deck?
Yes, when adequate structural blocking and an approved connection are provided. Deck boards alone are generally not the structural attachment point; confirm the framing and fastening plan before ordering.
Can the aluminum slats be cut on site?
Yes. Field cutting is commonly used for end sections and nonstandard openings. Use an appropriate non-ferrous-metal blade, protect the finish, remove sharp edges and keep enough slat length engaged in both post channels.
Is a top rail required?
An Aluminum Side Post profile can be added as an optional top rail. Whether a top rail or graspable handrail is required depends on the location, stairs, use and governing code; confirm locally.
Can this railing be used on stairs?
Straight-run kits are laid out for level sections. Stair railing needs stair-specific angles, transitions, handrail details and field engineering, so it should be planned separately before ordering.
Does this railing meet building code?
The components can be used in a code-compliant installation, but compliance depends on the complete assembly, post spacing, anchors, structure, openings, height and local rules. Obtain approval from the authority having jurisdiction and engineering when required.
How large are the openings between slats?
This style is planned around a 1/2″ layout. Finished openings can change with field cuts and assembly tolerances. Confirm that every opening satisfies the applicable local guardrail rules before installation.
Which colors are available?
Product options may include Black, Bronze, Dark Grey, Light Gray, White and Wood-look finishes. Availability can vary by configuration; choose the finish shown in the product selector and confirm before checkout.
Is aluminum railing suitable near the coast or a swimming pool?
Powder-coated aluminum is a strong low-maintenance choice, but salt, chlorine and airborne deposits should be rinsed away regularly. More frequent cleaning is recommended in coastal, poolside and industrial settings.
How do I clean the powder-coated finish?
Use clean water, mild soap and a soft cloth or sponge. Rinse thoroughly. Avoid steel wool, abrasive pads, strong solvents and cleaners that can dull or scratch the coating.
What comes with each 4-foot module?
The Miami material schedule includes 6 wide slats and 5 narrow slats, spacers for the pattern, assembly screws, the selected post system, two channel covers and one cap per post. Mount-specific components vary; substrate anchors, blocking, sealant and tools are not included.
Can I combine modules for a longer railing run?
Yes. The system is modular and offered in multiple run lengths. Plan the layout from fixed endpoints, keep the post spacing within the approved design and expect field trimming at the final module.
What should I confirm before ordering?
Confirm total run length, finished height, post centers, corners and ends, mounting substrate, structural blocking, anchor plan, finish, optional top rail, permits and local code requirements. Photos and accurate field dimensions help prevent ordering mistakes.
Questions & Answers
Find clear answers about Wall Topper sizing, 6-foot spans, included components, base-plate installation, concealed fasteners, style differences, finishes, maintenance and field fitting.
Sizing & Planning
What span is the aluminum Wall Topper designed for?
Each Wall Topper section is designed around a nominal 6-foot span between posts. The supplied horizontal slats are 6 feet long. Verify the actual field measurement before cutting, and plan one post per span plus one terminal post at the end of the run.
Which Wall Topper heights are available?
All five Wall Topper styles are offered in seven nominal heights: 1 foot, 1 foot 6 inches, 2 feet, 2 feet 6 inches, 3 feet, 3 feet 6 inches, and 4 feet. Select the height that fits the project, then review the exact style-specific material schedule shown on the product page.
How do I plan a multi-span Wall Topper run?
Divide the finished run into nominal 6-foot sections. Use one post for each span and add one terminal post at the end of the run. Confirm corners, end conditions, wall steps, field cuts, post locations, and local requirements before ordering.
How do I measure an existing wall for a Wall Topper?
Measure the total finished run, each individual wall section, corners, steps, end conditions, and the usable mounting surface. Mark proposed post locations and check for caps, slopes, drains, utilities, or other obstructions. Use actual field measurements—not only nominal wall dimensions—before ordering or cutting.
Can the 6-foot Wall Topper slats be cut for a shorter span?
Yes. The aluminum slats are supplied in 6-foot lengths and may be field cut to fit a shorter verified opening. Use suitable cutting equipment, keep cuts square, remove burrs, protect the finish, and confirm the finished post-to-post dimension before cutting.
Kit Contents & Style Options
What is included with an Alumission Wall Topper kit?
The selected kit includes Aluminum Post 2 Channels, two channel covers and one cap per post, an 18-inch zinc-coated steel post base and matching aluminum base cover per post, 6-foot aluminum slats in the selected style and height, the required pattern spacers where applicable, and stainless steel self-drilling assembly screws. Wall anchors are not included because the correct fastener depends on the wall material and project conditions.
How do Dallas, Los Angeles, Miami, New York, and San Francisco styles differ?
Dallas combines wide 5.5-inch slats with a four-slat 1-inch accent band. Los Angeles uses evenly spaced 5.5-inch slats. Miami centers a four-slat 1-inch accent band between wide slats. New York is a tight-stacked full-privacy design with size-specific finishing slats. San Francisco uses closely spaced 1-inch slats for a linear look. See the exact material schedule and proportional drawings on each style page.
Is the Wood finish real wood?
No. The Wood option is a wood-look finish applied to aluminum slats, not natural timber. It provides the warmth of a wood appearance while keeping the low-maintenance, noncombustible aluminum construction of the Wall Topper system.
How much privacy does an aluminum Wall Topper add?
Privacy depends on the selected style, height, slat sizes, and spacing. New York is the most closed design, while Dallas, Los Angeles, Miami, and San Francisco create different levels of screening and visibility. Compare the style-specific drawings and material schedule before choosing.
Installation & Mounting
How do the base plate and base cover work?
Each post uses a zinc-coated steel base with a 4-inch by 4-inch plate and an 18-inch stem. The plate is anchored to a structurally suitable wall, the aluminum base cover slides over the plate to conceal the mounting screws or anchors, and the aluminum post slides over the steel stem. Plumb and align every post before installing the slats.
Can the Wall Topper be installed on concrete, masonry, wood, or steel?
Installation may be possible on concrete, masonry, properly reinforced wood, steel, or another structurally suitable wall when the correct substrate-specific anchors are used. Anchors are not included. The installer is responsible for confirming wall condition, edge distances, waterproofing, fastener selection, wind exposure, loads, and code or permit requirements.
Are anchors for the existing wall included?
No. Wall anchors are not included because the correct fastener and embedment depend on the wall material, wall condition, edge distances, loads, and site exposure. Select an anchor system specifically approved for the actual substrate and project conditions.
How do I know whether my wall can support a Wall Topper?
The existing wall and its foundation must be structurally suitable for the planned topper, anchors, height, and site loads. Inspect the wall for cracks, loose caps, deterioration, insufficient thickness, or other damage. When suitability is uncertain, have a qualified contractor or design professional evaluate it before installation.
Care, Ordering & Support
Does the Wall Topper require welding?
No welding is required for the kit assembly. Installation is a mechanical field-fit process that requires accurate measuring, cutting, drilling, leveling, fastening, and anchoring. Channel covers snap into place after assembly to conceal the slat-fastening screws.
Which finishes are available, and how should the Wall Topper be maintained?
Current finish options may include Black, Bronze, White, Dark Grey, Light Gray, and Wood. Availability can change by configuration. Clean powder-coated aluminum with water, mild soap, and a soft cloth; avoid abrasive pads, harsh chemicals, and tools that can scratch the finish.
What should I verify before ordering?
Confirm the total run length, selected style and height, number of 6-foot spans, post and terminal locations, corners or steps, wall construction, anchor plan, finish, field-cut requirements, access, wind exposure, and local rules. Product drawings support selection and installation planning but are not stamped structural or permit drawings.
Can a Wall Topper follow a stepped or sloped wall?
A stepped wall can often be planned as separate level sections with post locations and field cuts coordinated at each change in elevation. A continuously sloped wall requires a custom layout. Measure every section carefully and confirm the proposed arrangement with Alumission before ordering.
Do I need a permit or HOA approval for a Wall Topper?
Requirements vary by location and property. Check local height limits, setbacks, wind and structural rules, permit requirements, easements, and any HOA or architectural-review standards before ordering or installing. The product drawings are planning references, not stamped permit or structural drawings.
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