Steel-Tube Reinforcement
Fastens the aluminum post wall to the 1-1/4″ × 1-1/4″ steel tube sleeved inside the post.
#12 × 1″ Stainless Steel Self-Drilling Screws – Pack of 50
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Heavy-duty #12 × 1″ 410 stainless steel self-drilling screws with a 5/16″ hex washer head. Designed for fastening Alumission aluminum posts to 1-1/4″ × 1-1/4″ steel reinforcement tubing in sleeved-post and base-plate installations. Pack of 50.
STARTING AT $23.15
WHAT’S INCLUDED:
- Size: #12 x 1″
- Head Style: Hex Washer
- Head Diameter: 0.432″
- Head Height: 0.194″
- Drive Style: External Hex
- Drive Size: 5/16″
- Thread Size: #12
- Thread Dia.: 0.216″
- Thread Coverage: Full Thread
- Length: 1″
- Thread Length Dec.: 1″
- Material: Stainless Steel 410
- Finish: Plain
Box Weight
Box Dimension
TECHNICAL SPECIFICATIONS & INSTALLATION
Build a strong, clean Alumission post installation with #12 × 1″ stainless steel self-drilling screws designed for fastening aluminum profiles to internal steel reinforcement. The self-drilling point is made to cut through compatible aluminum and steel, helping reduce separate pilot-hole steps when installation conditions permit. The external hex washer head provides positive driver engagement and a broad bearing surface.
These screws are primarily used when an Alumission aluminum post is sleeved over 1-1/4″ × 1-1/4″ steel tubing. They secure the aluminum post to the steel core whether the tube is used as reinforcement by itself or as part of a compatible base-plate installation.
Made from 410 stainless steel, these fasteners combine the hardness needed for a self-drilling point with corrosion resistance for exterior fence and gate projects. A 5/16″ nut driver or socket provides controlled installation.
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.
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.
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.
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.
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