Modern & Commercial-Grade Centerpost Umbrella
Experience luxurious shade and superior comfort with the Shademaker Atlas 10’ Square Centerpost Umbrella. Its simplistic yet contemporary design brings innovation to any outdoor living space, ensuring you stay cool and stylish under the sun. This telescoping umbrella features a galvanized steel stem, commercial-grade fasteners, and modernly designed aluminum hub and fittings so that you can enjoy a reliable and weatherproof umbrella for years to come.
Available in a variety of contemporary colors and neutral tones, Libra is made from 100% solution-dyed acrylic and polyester fabric, woven by two of the most popular names in outdoor fabrics: Sunbrella® and O'Bravia®. These premium materials offer superior resistance to corrosion, mildew, fading, wear, and tear, making this umbrella perfect for any commercial, market, or residential space.
Also available in 11.5' Square, 10' Octagon, and 13' Octagon models.
Why Choose the Atlas 10' Square Centerpost Umbrella
1. Telescoping Mast
Engineered with a telescoping mast design so that you can achieve unobstructed closure over tables and furnishings without the need for repositioning. Ideal for high-traffic or fully furnished commercial environments.
2. Quick & Effortless Crank Lift System
Integrated with a precision crank mechanism so that you can deploy or retract the canopy smoothly and securely with minimal physical effort. The lift system ensures consistent performance across repeated use cycles.
3. Premium-Grade Aluminium Hub & Fittings
Manufactured using high-tolerance aluminium components so that you benefit from enhanced structural stability and resistance to wear, even under demanding operational conditions.
4. Commercial-Grade Canopy Fasteners
Outfitted with reinforced fasteners so that the canopy remains taut and secured under varying weather loads, while contributing to a streamlined, architectural appearance.
5. Removable Crank Handle
Designed with a detachable crank handle so that you can prevent unauthorised operation and reduce mechanical wear when the umbrella is not in use—particularly advantageous in public or shared spaces.
6. Galvanized Internal Mast Stem
Incorporates a galvanised steel mast stem so that you gain superior corrosion resistance and long-term reliability in outdoor installations, including coastal or humid environments.
7. Includes Aluminium Mast Stem Cover
Equipped with an anodised aluminium stem cover so that the internal components remain protected from environmental exposure, while also delivering a clean, professional finish.
8. Includes High-Performance Protective Cover
Supplied with a weather-resistant protective cover so that the umbrella remains shielded from UV degradation, moisture, and debris when not in use—extending its operational lifespan.
NOTE: Images displayed above may feature both square and octagon canopy options to demonstrate lifestyle settings and mounting/base options. Additional color options are available upon request. Check them HERE or CONTACT US for details.
What's Included
- Atlas 10 ft. Square Centerpost Umbrella
- Protective Cover
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Base Weight Options
- 415 lbs Infinity Steel Base
- Titan Steel Base
- 340 lbs Z-Plate with or without Wheels
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Mounting Kit Options
- Concrete Mount Kit
- In-Ground Mount Kit
Bases and Mounting Kits Explained
Choose the right support system to keep your Patio Umbrella stable and secure in any setting. Opt for a permanent mount kit for a secure, fixed installation or a freestanding base for flexibility and easy repositioning.
Check the Base Weight Matrix for the recommended base weight and alternative options.
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Infinity Base
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Item No: | Weight: 415 lbs. Size: 44.5” x 44.5" x 1.8" Finish: Shadow Graphite, Architectural Bronze, Arctic White, and Sand Galvanized Steel Frame + Aluminum Lid, Galvanized Steel Plates Check Product Page HERE. |
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Titan Base
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Item No: BGT850 | Finishes: Shadow Graphite, Architectural Bronze, and Arctic White Weight: 118.1 lbs. | Size: 40.5" x 40.5" x 6.4" Galvanized Steel Frame + Aluminum Lid Accommodates (32) 12″x12″x1.5″ pavers (Not Included). Check Product Page HERE. |
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Z-Plate
Z-Plate with Wheels
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Note: You need a set of (1x) ZB115 and (1x) ZB225 Z-Plates for Atlas 10' Square. Check Product Pages HERE: ZB115 and ZB225 Total Weight: 340 lbs Finishes: Shadow Graphite, Architectural Bronze, Arctic White, and Sand -- Can be purchased with Wheels (ZBWH-LG) Weight: 6.61 lbs. | Diameter: 4" |
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Concrete Mounting Kit
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Plate Dia. - 8.46" | Thickness - .63" | Weight - 7.76 lbs Includes: Adapter plate and expansion bolts. |
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In-Ground Mounting Kit
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Plate Dia. - 8.46" | Thickness - .63" | Weight - 6.62 lbs Includes: In-ground fitting |
Product Specification
Below are the key dimensions of the Atlas 10' Square Centerpost Umbrella.

| Key | Description | ATL-30S |
| Canopy Shape |
Square | |
| Coverage | 95 sq ft | |
| Ribs | 8 | |
| Size | 10 ft | 3.0 m | |
|
A |
Lower Hub Height (Open) |
7’ ft | 2.1 m |
|
B |
Rib End Height (Open) |
7’ 3” ft | 2.2 m |
|
C |
Canopy Length (Diagonal) |
13’ 11” ft | 4.2 m |
|
D |
Canopy Width |
9’ 10” ft | 3.0 m |
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E |
Overall Height (Open) |
8’ 6” ft | 2.6 m |
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F |
Overall Height (Closed) |
10’ 10” ft | 3.3 m |
| G | Rib End Height(Closed) | 3’ 11” ft | 1.2 m |
| H | Height to Crank Handle | 3’ 4” ft | 1.0 m |
| Min. Base Weight | 300 lbs |
Product Resources
For more information on specifications, manuals, warranty, technical sheets, and maintenance, refer to the following resources:
Shipping & Returns
We ship across the contiguous United States. Shipping to Alaska and Hawaii may be available on request.
Estimated delivery timing is shown above for each product.
Smaller items ship via parcel carriers. Larger items are delivered curbside or via scheduled freight.
Optional services such as inside delivery & package removal, and assembly may be available at checkout.
Returns are accepted within 30 days of delivery for eligible items.
Please note:
- Umbrellas and related accessories are non-returnable unless faulty or damaged
- Select large furniture items are not eligible for return once shipped unless faulty or damaged
- Large items may incur return shipping and handling costs
For full details, please see our Shipping and Returns & Refunds policies.






