Royal Victorian Polycarbonate Greenhouse VI46 (13 x 20)


This is for the Large Royal Victorian VI 46 Greenhouse: 12’7″ wide x 19’11” long x 9’2″ high, 6’7″ side walls, 10 mm Polycarbonate panels, 6 roof windows (4 automatic openers & 2 spindles), 1 louvre window with clear Lexan cover sheet for the winter season, 1 set double sliding doors, large bottom frame/base, large gutters with downspouts, and a misting system.

Product Documents


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Step 1 - VI36/VI46 Accessory Package

Full length top shelf – 19′ 7″ L x 4″ W
Full length seed tray –  19″ 7″ L x 20′ W x 4″ D
Two sets of shade curtains 10′ long each

VI36/VI46 Accessory Package

Step 2 - Wheelbarrow Access Plate

19.5″ W x 21″ L (each side) x 1.75″ in the middle

Wheelbarrow Access Plate

Step 3 - Louvre Window

With glass panels (11 louvre panels and extra glass piece for underneath window, does not include auto opener.

Louvre Window

Step 4 - Automatic Opener for Louvre Window

The black tube is filled with special parafine oil, which expands when the temperature reaches around 72 degrees and the piston will push the window open to about 14″. When temperature drops window will close, no electricity needed.

Automatic Opener for Louvre Window

Step 5 - Louvre Wind Cover
Step 6 - Additional Roof Window

Additional roof window with glass.

Additional Roof Window

Step 7 - Automatic Opener for Roof Window

The black tube is filled with special parafine oil, which expands when the temperature reaches around 72 degrees and the piston will push the window open to about 14″. When temperature drops window will close, no electricity needed.

Automatic Opener for Roof Window

Step 8 - Spindle Opener

Manual opener that works like a large threaded screw

Spindle Opener

Step 9 - Slat Shelving

The most affordable shelving for Victorian greenhouses comes in 2-slat or 5-flat sizes and in green or black. The 2-slat shelving is 9″ wide x 59″ long and the 5-slat shelving is 21″ wide x 59″ long.`

2-Slat Sheving 9" w x 59" L

5-Slat Shelving 21" W x 59" L

Step 10 - Door Drop Kit

The door drop kit includes brackets, cross bars, and reinforcement bars above the door of the Royal Victorian so that it drops down by up to 36 inches, though 20 inches or 24 inches is most common. This allows for the greenhouse to be built upon a stem wall (knee wall) foundation. A stem wall provides a solid base to build upon, raises the peak height by whatever amount you choose, and is universally thought to add to the already beautiful aesthetics of the greenhouse.

Door Drop Kit

Step 11 - Second Hinged Door (to make double door)

Second hinged door to make double door opening with 2 pieces of glass.

Second Hinged Door (to make double door)

SKU: EX-VI46POLYGR Category:

One of Our Most Popular Greenhouses! Order Now! 800-987-4337

The Victorian Greenhouse is one of the premier greenhouses by Janssens of Belgium. This company has been making high-end glass and polycarbonate greenhouses for over 30 years.  The Victorian Greenhouse not only provides the finest quality greenhouse environment, it also adds old fashion English style and beauty to your backyard. This is a classic English Greenhouse and is suitable for almost any backyard application.

Royal Victorian VI46 Polycarbonate Greenhouse 

The classic Royal Victorian VI46 spacious 13 X 20 interior gives you space for anything you decide to grow, and many customers use it as an outdoor sun room or even for a hot tub or covered pool. This greenhouse includes six roof vents, four of which have automatic openers, and one louver window to help keep the interior well ventilated and at a comfortable temperature. The two sliding doors provide easy access and the structure is designed for quick assembly. and at a comfortable temperature.

Its 10 mm twin-wall polycarbonate panels have almost twice the insulation value as glass. The polycarbonate panels are secured with heavy duty rubber seals. And the decorative roof ridge adds a touch of English sophistication.. Despite its large size, the greenhouse can be assembled in as little as a weekend depending on how much help you have. The process can be sped up if the site of assembly is prepared ahead of time by leveling it and installing whatever type of flooring is preferred.

The Royal Victorian is the type of premium greenhouse which adds to the value of your home. It can serve multiple purposes and its superior quality ensures that it will stay looking new long after it is assembled. With its durability, attractive design, and spacious interior, the Royal Victorian VI46 Greenhouse is sure to enjoyed by your family and friends for many years to come.

Specifications Features:

  • Size: 12′ 7″ W x 19′ 11″ L x 9′ 2″H
  • Side walls: 6′ 7″
  • Tall sidewall height gives plenty of working room inside the greenhouse without having to stoop and more room for shelving
  • 6″ high foundation frame
  • 250 sq. ft.
  • Aluminum framework
  • Frame Colors:  Black or Dark Green
  • 2 sliding doors: 28″ x 72″ – can be put on any side of the greenhouse, and can and can be put next to each other for a wide opening
  • 6 roof vents (four with automatic openers, two with spindle roof opener)
  • Includes 1 louver window with automatic opener and clear Lexan cover for use in the winter: 28.5″ x 39″
  • 10 mm twin-wall polycarbonate panels
  • Material R-Value (Insulation Value) 10 mm twin-wall polycarbonate 1.89
  • Anchor stakes provided
  • Panels can withstand 80 mph winds and 30 lbs./sq. ft. of snow
  • Step-by-step assembly instructions and CD
  • Designed to withstand inclement weather
  • Gutter and down spouts included on both sides to divert rainwater away from the foundation
  • Includes condensation gutters on the interior
  • Includes misting system with hose attachment that hangs from roof beam to help keep interior cool and plants properly hydrated
  • Stainless steel fasteners withstand the elements
  • Includes decorative roof finials which do not have to be installed
  • T.U.V. & GS tested and approved, which is similar to UL testing & listing
  • Beautiful design to fit any garden
  • Friendly, free technical support available from Exaco for installation help 7 days a week

Click here to view optional accessories

Optional Accessory Package:

  • Full length top shelf – 19′ 7″ L x 4″ W
  • Full length seed tray –  19″ 7″ L x 20″ W x 4″ Deep
  • Two sets of shade curtains 10′ long each

Why Choose a Victorian Greenhouse?

  • Aluminum Profiles are larger, thicker, stronger than those of any competitor in this price range
  • 10mm triple layer “X-Strong” Polycarbonate
  • X-Strong polycarbonate panels feature beveled edges with U-shaped metal end caps for increased durability
  • 6″ high foundation frame included
  • 1 or 2 Spindle Roof Window Openers (great in windy conditions), and automatic window openers on other roof windows
  • Includes a misting system (customer has to provide a hose to connect to faucet)
  • Shoulder (with large gutter) 6’7″ high – about 1 foot higher than other greenhouses
  • One sliding door – can be put in any vertical glass location (front, back or sides)
  • Significantly better insulated then other glass greenhouses. How? Rubber seals, single pane window, and 4mm glass
  • Made in Belgium

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