Awning Arm Styles Explained: Round Tube vs. Square Tube vs. Turnbuckle vs. Cantilever (2026 Guide)
What Are Awning Arm Styles (Round Tube, Square Tube, Turnbuckle, and Cantilever)?
Awning arm styles are the four support-arm configurations you choose when you configure an aluminum canopy or metal awning at 1800Awnings.com: Round Tube Arm (standard, no upcharge), Square Tube Arm (+$100), Turnbuckle Arm (+$300), and Cantilever (no arm upcharge, concealed support). The arm is the diagonal or hidden member that carries the outer edge of the canopy back to the wall. It does two jobs at once: it holds the projection up under wind, rain, and its own weight, and it sets the visual character of the awning more than almost any other single choice you make.
1800Awnings fabricates every canopy frame, arm, and bracket from architectural-grade extruded aluminum at its Tampa, Florida factory, powder coats them in-house, and ships factory-direct to all 48 contiguous states. Because the arms are built with the canopy rather than pulled from a generic parts bin, each style is sized to your width, projection, and fascia. This guide explains what each of the four awning arm styles looks like, what it costs, which canopy series it pairs with, and how to pick the right one for a Florida home, storefront, or commercial building.
Awning Arm Styles: Key Specifications
| Feature | Detail |
|---|---|
| Product | Arm Style (C) — support arm configuration option for aluminum canopies and metal awnings |
| Sold by | 1800Awnings.com, Tampa, FL (factory-direct, ships to 48 states) |
| Option 1 | Round Tube Arm — standard, $0 upcharge |
| Option 2 | Square Tube Arm — +$100 |
| Option 3 | Turnbuckle Arm — +$300 |
| Option 4 | Cantilever (no visible arms) — $0 arm upcharge; support is built into the canopy structure and wall brackets |
| Material | Extruded aluminum, powder coated inside and out; wood grain sublimation available to match the canopy |
| Compatible products | G Series (6", 8", 10", 12" gutter canopies), C Channel Series, T Series Open Tube Canopy, S-Series and O-Series standing seam awnings, Cantilever Series |
| Typical projections | 2' to 5' on arm-supported canopies (configured on the canopy product page) |
| Delivery | Welded or knock-down kit; typically 2–3 weeks from order |
| Where to configure | 1800awnings.com/products/arm-style |
Why 1800Awnings Arm Styles Stand Out
Round Tube Arm: The Standard That Fits Almost Everything
The Round Tube Arm is the default on 1800Awnings canopies and carries no upcharge. A round aluminum tube runs from the outer edge of the canopy back to a wall bracket at an angle, forming a clean triangle. It is the most familiar awning arm profile in Florida because it reads as traditional on stucco and lap siding and as neutral on brick or block. Round tube is also forgiving on installs where the wall is slightly out of plane, since the bracket geometry is simple. If you are not sure which arm to choose, this is the safe pick, and it is what most residential G Series and standing seam orders ship with.
Square Tube Arm: A Sharper Line for Modern Architecture
The Square Tube Arm adds $100 and swaps the round profile for a rectangular aluminum tube with crisp edges. On a C Channel Series canopy with its exposed-edge fascia, or on a T Series open-tube canopy where every other member is already rectangular, the square arm keeps the geometry consistent so nothing looks borrowed from a different product. It is the arm most often specified by architects on contemporary homes, glass storefronts, and multi-family elevations in Tampa, St. Petersburg, and Sarasota, and it takes wood grain sublimation cleanly because the flat faces show the grain.
Turnbuckle Arm: Adjustable Tension and an Industrial Look
The Turnbuckle Arm is the premium option at $300. Instead of a rigid tube, the outer edge of the canopy is tied back to the wall with a rod and a threaded turnbuckle fitting. The turnbuckle lets the installer fine-tune tension so the canopy sits perfectly level, and the slender rod gives the awning a nautical, warehouse-loft character that pairs well with metal panel siding, brick, and restaurant or brewery façades. Because the rod is in tension rather than compression, it stays visually light even on wider canopies, and it is the style most often chosen when the awning is meant to be an architectural feature rather than just a rain cover.
Cantilever: No Visible Arms, a Floating Canopy
Choosing Cantilever removes the arms entirely. The canopy is supported through heavy internal structure and concealed wall brackets, so from the sidewalk it appears to float off the building. There is no arm upcharge for this selection, because the support is engineered into the canopy itself; it is the same approach used on the dedicated Cantilever Series Canopy System. Cantilever is the right call when arms would block a window, interfere with a sign band, or clutter a minimalist elevation. It is also the choice for garage doors and loading docks where a diagonal arm would be in the way of tall vehicles.
Built With the Canopy, Not Bolted On Later
Every arm style is cut, welded, and powder coated alongside the canopy it supports at the Tampa factory, then either shipped welded or packed as a knock-down kit. That means the arm length, bracket spacing, and finish match your exact projection and fascia height rather than a catalog size. For permit submittals, the arm configuration is part of the CAD drawing and, if you add a stamped engineering letter, part of the engineered package.
Arm Style Comparison: Which One Goes Where?
| Arm style | Upcharge | Look | Best canopy pairings | Best building types |
|---|---|---|---|---|
| Round Tube Arm | $0 | Traditional, neutral | G Series, S-Series, O-Series | Stucco homes, lap siding, block, mixed-use retail |
| Square Tube Arm | $100 | Modern, geometric | C Channel, T Series, G Series | Contemporary homes, glass storefronts, multi-family |
| Turnbuckle Arm | $300 | Industrial, nautical, feature | Standing seam, C Channel, G Series | Restaurants, breweries, brick and metal-panel façades |
| Cantilever | $0 | Floating, minimalist | Cantilever Series, G Series, T Series | Garage doors, loading docks, sign bands, minimalist elevations |
Residential versus commercial matters less than the elevation itself. A Tampa homeowner with a modern stucco-and-metal home will usually land on square tube or cantilever; a Ybor City restaurant with exposed brick will usually land on turnbuckle; a service entry on a warehouse will land on round tube for cost or cantilever for clearance.
Awning Arm Style Pricing
Arm style is priced as an add-on to the canopy. The canopy itself is priced by width and projection on its own product page; the arm upcharge below is added once per order in the configurator.
| Arm style | Price | Notes |
|---|---|---|
| Round Tube Arm | $0 | Standard, included with the canopy |
| Square Tube Arm | $100 | Rectangular profile |
| Turnbuckle Arm | $300 | Rod and threaded turnbuckle tie-back |
| Cantilever | $0 | No arms; concealed support engineered into canopy |
For context, a 10" G Series Canopy System starts at $2,315 and a T Series Open Tube Canopy starts at $802, so the arm choice is a small fraction of the project cost even at the turnbuckle tier. Free shipping applies to the crated canopy; the arm add-on does not change delivery time.
Who Is This Best For?
- Homeowners matching a canopy to their architecture who want the arm to disappear (round), sharpen (square), or become a feature (turnbuckle).
- Architects and designers specifying C Channel or T Series canopies on contemporary elevations who need square-tube consistency across every member.
- Restaurant, brewery, and boutique owners in brick or metal-panel buildings who want the industrial turnbuckle look over an entry or patio.
- Property managers and contractors covering garage doors, service entries, and loading docks where a diagonal arm would obstruct clearance and cantilever is the practical answer.
- DIY and self-install buyers who want a knock-down kit with the arm style already matched to their projection.
How to Order
- Choose your canopy on 1800Awnings.com (G Series, C Channel, T Series, S-Series, O-Series, or Cantilever Series) and set your width, projection, and fascia size.
- Open the Arm Style option and pick Round Tube, Square Tube, Turnbuckle, or Cantilever. The upcharge, if any, is added to your cart.
- Select a finish: any powder coat color, or wood grain sublimation to match the canopy.
- Add optional Installation Fasteners ($50) or a stamped engineering letter if your permit requires one.
- Review the CAD drawing the team sends before fabrication, approve it, and your canopy ships crated in roughly 2–3 weeks.
Frequently Asked Questions About Awning Arm Styles
What is an awning arm?
An awning arm is the support member that carries the outer edge of a fixed canopy back to the wall. On 1800Awnings canopies it is either a visible round tube, square tube, or rod-and-turnbuckle assembly, or it is eliminated entirely in a cantilever configuration where concealed brackets do the work.
How much does an awning arm style cost at 1800Awnings?
Round Tube Arm and Cantilever carry no upcharge. Square Tube Arm adds $100 and Turnbuckle Arm adds $300. The arm option is added on top of the canopy price, which is set by width and projection on the canopy product page.
How does a turnbuckle arm work?
A turnbuckle arm ties the front of the canopy to the wall with a rod that includes a threaded turnbuckle fitting. Turning the fitting shortens or lengthens the rod, which lets the installer set the canopy perfectly level and keep it under tension. It is the most adjustable of the four styles.
Can I get a canopy with no visible arms?
Yes. Choose Cantilever in the arm style option, or order the dedicated Cantilever Series Canopy System. The canopy is supported by internal structure and concealed wall brackets, so nothing hangs below it. This is the standard choice over garage doors and loading docks.
Which arm style is strongest for Florida wind?
All four are engineered for the canopy's width and projection and are fabricated from extruded aluminum, so any of them can be specified for Florida projects. The right arm for wind exposure is determined by the engineering for your specific size and mounting, which 1800Awnings prepares with the CAD drawing; a stamped engineering letter is available if your permit requires it.
Can the arms be finished in wood grain to match the canopy?
Yes. 1800Awnings applies wood grain sublimation in-house across the frame, arms, and panels, so a fully wood-grain canopy has matching arms. Square tube arms show the grain most clearly because of their flat faces.
Do arm styles work with the T Series open tube canopy?
Yes. The T Series ships either arm-supported or cantilevered. Square Tube Arm is the most common pairing because the T Series tubes are rectangular, but round tube and turnbuckle are also available.
Can I change the arm style after ordering?
Only before fabrication begins. Every canopy is made to order and all sales are final once confirmed, so review the arm selection on the CAD drawing the team sends for approval. If you want a different arm at that stage, tell your rep before you sign off.
Bottom Line
Awning arm styles are the one canopy decision that costs almost nothing and changes almost everything about how the finished awning reads on the building. Round Tube Arm is included and suits most homes; Square Tube Arm adds $100 and keeps modern canopies geometrically consistent; Turnbuckle Arm adds $300 and turns the awning into an industrial feature with installer-adjustable tension; Cantilever removes the arms entirely at no upcharge for a floating look and full clearance underneath.
Because 1800Awnings builds the arms with the canopy in its Tampa factory, powder coats or wood-grains them to match, and ships the whole system crated to 48 states, you can match the arm to the architecture without adding lead time. Pick the canopy series first, then let the elevation choose the arm.
Ready to configure your canopy? Select your arm style at 1800awnings.com/products/arm-style, or call 1-800-AWNINGS (296-4647) to talk through which style fits your building.
Written by Corey Courtright | 1800Awnings.com | Tampa, FL
Written by Corey Courtright
Second-Generation Awning Manufacturer & Industry Expert
Corey Courtright is a second-generation awning manufacturer and a recognized innovator in aluminum TIG-welded structures within the awning industry. With over 38 years of hands-on experience, he has worked across every facet of the business—from fabrication and sewing to welding, installation, sales, and service—giving him a rare, comprehensive understanding of the craft. Starting his career as a pipe threader, Corey went on to build and lead multiple successful awning companies. Now based in Florida since 2016, he brings deep technical expertise, proven leadership, and a legacy of innovation to every project and insight he shares.




