Gemini Umbrella: The Ultimate Dual-Canopy Shade Solution
Double the shade, zero the hassle—experience the power of Gemini.
The struggle of finding adequate shade for large outdoor spaces is finally over with the Gemini 10' Square Dual Sidepost Umbrella, the newest and most innovative umbrella by Shademaker. Designed to maximize coverage while minimizing space, its dual-canopy configuration provides an impressive 200 square feet of shade, perfect for expansive patios, poolside lounges, and outdoor dining areas for residential and commercial settings.
Effortless to use, the gas piston-assisted lift makes opening and closing smooth—no cranks, no hassle. With 360° rotation, eight locking positions, and independent canopy control, you get shade exactly where you need it. Built to last with premium weather-resistant fabrics and heavy-duty materials, the Gemini brings style, durability, and ultimate sun protection to any outdoor space.
NOTE: Additional color options are available upon request. Check them HERE or CONTACT US for details.
Why Choose Shademaker Gemini Dual-Sided Cantilever Umbrella
1. Double-Sided Canopy for Maximum Shade Coverage
Enjoy an impressive 200 square feet of shade so that you can comfortably cover large seating or dining areas with a single umbrella. Its dual canopies create two distinct shaded spaces, perfect for versatile outdoor setups.
2. 360° Rotation with 8 Locking Positions
Easily rotate the umbrella in any direction so that you can track the sun’s movement throughout the day. The multiple locking positions provide secure and flexible shade control.
3. Gas Piston-Assisted Opening & Closing System
Effortlessly open and close the canopies with gas piston technology so that you get smooth and easy operation without the hassle of traditional cranks and cords. Anyone can adjust it with minimal effort.
4. Independently Controlled Dual Canopies
Operate each canopy separately so that you can create shade where you need it most. Whether shading a lounge area, dining table, or both, you have complete control over sun protection.
5. Modernly Designed Aluminum Hub and Fittings
Built with high-quality aluminum components so that your umbrella remains sleek, durable, and resistant to wear. The refined design complements upscale outdoor spaces.
6. Commercial-Grade Canopy Fasteners for Durability and Design
Reinforced with heavy-duty fasteners so that your umbrella maintains its structure and style, even in high-traffic commercial environments. Ideal for resorts, restaurants, and large residential patios.
7. Galvanized Internal Mast Stem for Superior Strength
The reinforced galvanized steel stem enhances stability so that your umbrella remains secure against wind and outdoor elements. This ensures long-term durability in any environment.
8. Includes an Aluminum Mast Stem Cover
Protects the mast stem from the elements so that it retains its structural integrity and polished look. Designed for both function and aesthetics.
9. High-Performance Protective Cover Included
Safeguard your umbrella when not in use so that it stays in pristine condition for years to come. The durable cover prevents dust, debris, and weather damage.
What's Included
- Gemini 10' Square Dual Sidepost Umbrella
- High-Performance Protective Cover
- Aluminum Mast Stem Cover
- Mounting Kit Options (Sold Separately)
- Concrete Mount
- In-Ground Mount
- Base Weight Options (Sold Separately)
- Shadow Graphite Titan Steel Base
- 565 lbs. Shadow Graphite Infinity Base
- Set of 2 Shadow Graphite 225 lbs Z-Plates
- Set of 2 Shadow Graphite 225 lbs Z-Plates with Wheels
Mounting Kits and Base Weights Explained
Choose the right support system to keep your Taurus Sidepost Patio Umbrella stable and secure in any setting. Opt for a permanent mount kit for a secure, fixed installation or a freestanding base with added weights for flexibility and easy repositioning.
Check the Base Weight Matrix for the recommended base weight and alternative options.
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Concrete Mounting Kit - MKC23
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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 - MKG23
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Plate Dia. - 8.46" | Thickness - .63" | Weight - 6.62 lbs
Includes: In-ground fitting
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Titan Base
(Sold Separately)
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Item No: BGT850 | Finishes: Shadow Graphite
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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Infinity Base
(Sold Separately)
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Item No: BXI565 | Weight: 565 lbs.
Size: 44.5” x 44.5" x 1.8"
Finish: Shadow Graphite
Galvanized Steel Frame + Aluminum Lid, Galvanized Steel Plates
Check Product Page HERE.
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Z-Plate
(Sold Separately)
Z-Plate with Wheels
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Item No: ZB225 | Weight: 225 lbs
Finish" Shadow Graphite
Note: You need a set of 2x 225 lbs Z-Plates for Gemini 10'.
Size: 36"
Thickness: .63”
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Can be purchased with Wheels (ZBWH-LG)
Weight: 6.61 lbs. | Diameter: 4"
Check Product Page HERE: ZB225
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Product Specifications
Below are the key details and dimensions of the Shademaker Gemini 10' Square Dual Sidepost Umbrella.![]()
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| KEY |
Description |
GEM-30S |
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Canopy Shape |
Square |
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Coverage |
200 sq ft |
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Ribs |
8 |
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Size |
10 ft |
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Weight |
123 lbs |
| A |
Lower Hub HEIGHT (Open) |
6' 11" |
| B |
Rib End HEIGHT (Open) |
7' 1" |
| C |
Canopy LENGTH (Diagonal) |
13' 9" |
| D |
Canopy WIDTH |
9' 9" |
| E |
HEIGHT to Mast Top |
8' 3" |
| F |
HEIGHT to Canopy Top (Closed) |
8' 2" |
| G |
Rib End Height (Closed) |
1' 6" |
| H |
Mast End to Canopy Edge (Closed) |
1' 7" |
| I |
Mast End to Canopy Edge (Open) |
10' 7" |
| J |
HEIGHT to Canopy Top (Open) |
8' 3" |
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Minimum Base Weight |
400 lbs |
Product Resources
For more information on manuals, warranty, technical sheets, and maintenance, refer to the following resources:
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