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Exaco Janssens modern greenhouse with a sleek sloped roof, standing on a wooden deck surrounded by lush greenery, offering an ideal space for year-round gardening.

Exaco Janssens Modern M34/M36 Greenhouse - Sloped Roof

by Exaco

SKU M34-Modern

Sale

$26,999.00

$26,999.00 - $26,999.00

$26,999.00

$21,999.00

$21,999.00 - $25,999.00

$21,999.00

Benefits

Best For

Bonuses

Elevate Your Backyard with top of the line premium glass greenhouse that prevents replacing cheap polycarbonate greenhouses every year.
Massive Accessory Customizations allow you to design the greenhouse to fit the style of your backyard.
Indulge In All That Extra Space with your family, neighbors, children, and most importantly your plants.
Make Your Neighbors Jealous with a finely designed outdoor shade solution.

Serious Plant Parents: Ideal for those who love growing plants all year round or need a separate space for other activities.
All-Season Growing: Perfect for individuals who want to enjoy an enclosed space year-round, regardless of the weather.
Design Enthusiasts: Tailored for homeowners who appreciate the beauty of natural of a premium glass greenhouse in their backyard.

Risk-Free Purchase: We provide replacement parts free of cost.
Premium European Quality: Proudly designed and assembled in Belgium. 15 Year Standard Warranty.
Exaco Preferred Dealer And No Sales Tax (ex NV)
Lowest Prices Or We Price Match (Rules Apply)

Quantity

Why Buy From Us?

☑ Fast Response & Service Times & FREE Shipping: You will always reach a real person.

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☑ Authorized Retailer For All Brands: Only new warrantied equipment for peace of mind.

Shipping & Handling For Exaco

Handling Time: Ships in 5 to 9 business days. Custom items may take longer.

Shipping Time: Please allow 2-9 business days for delivery to your curbside.

Our goal is to get your order to you as quickly as possible. This item ships to all States of the contiguous U.S.A (lower 48). Please note that all shipments over 100lbs go by LTL freight. For more information check out our Shipping Policy.

Cancellation/Return Policy For Exaco

Return Policy: Exaco generally does not accept returns as everything is built to order. Exceptions apply.

Any order can be canceled within 24 hours of payment.

After 24 hours, most orders will be packed and placed for pickup by the shipping carriers. Once picked up, the item will be considered shipped.

Custom, Built-To-Order, on demand products cannot be canceled or refunded after 24 hours, as these products are put into production specifically for your order.

Damaged Items:

All orders are protected by the manufacturer's warranty. We will repair, or replace any item damaged during shipment or faulty upon arrival as long as the documentation is provided.

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Unveil SleekGardening: Step Into the Exaco's Modern Greenhouse!

Create a botanical masterpiece with the Exaco Janssens Modern Greenhouse in Sloped Roof. This sleek, single-sloped glass greenhouse is the perfect way to bring a touch of modern design to your backyard while providing the ideal environment for your plants to thrive.

Assembling the Janssens Modern Greenhouse takes a bit of time, but the end result is well worth the effort. Gather your family or your buddies and turn it into a fun weekend bonding project! Picture this: laughter, teamwork, and pizza breaks as you create your own personal gardening paradise together. Not only will you end up with a gorgeous greenhouse, but you'll also have some epic memories to boot.

The Exaco Janssens modern greenhouse with a sloped roof stands out against a wintry landscape, offering a warm and well-lit refuge for plants and people alike.

Grow Fresh Produce Year-Round with The M34/36 Greenhouse

Year-Round Gardening: Double-hinged doors and three automatic roof windows ensure optimal ventilation and temperature control for year-round use.
Enhanced Airflow: Louvre window with an automatic opener provides additional ventilation and temperature regulation.
Investment in Value: Enhances your home's architectural appeal while creating a lasting space for gardening.
Perfect Growing Environment: Ideal for protecting exotic plants or starting your greenhouse journey, providing ample space and optimal conditions for plant growth.
Striking Sloped Roof Design: Instantly elevates your garden's style with a modern and sleek aesthetic.
Spacious Interior: Offers generous space for cultivating a wide variety of plants.
Rainwater Collection: Integrated gutter system with downspouts collects rainwater for efficient use.
Premium Construction: Built with top-quality Janssens aluminum profiles and durable 4mm tempered safety glass. Tempered glass is TUV and GS tested.

Ready to get growing? Don't miss out on the Janssens Modern M34/M36 Greenhouse - the perfect way to take your gardening to the next level. Order yours now!

What's Included With The Greenhouse?

1 Set of Double Hinged Doors

2 Roof Vents, 2 Push Out Side Windows, 2 Louvre Windows

1 Automatic + 1 Spindle (Roof), 2 Automatic (Louvre)

Gutters with Downspout

Specs of the Sloped Roof Modern Greenhouse

Model	M34	M36
Length	15' (6 panels)	19'11" (8 panels)
Width	10'2" (4 panels)	10'2" (4 panels)
Peak Height	9'7"	9'7"
Sidewall Height	6'8"	6'8"
Area	150 sq. ft.	200 sq. ft.
Roof Pitch	15 degrees	15 degrees
Glazing	4mm tempered glass where many others use 3mm, granting both greater insulation and resilience to extreme weather conditions (wind and hail)	4mm tempered glass where many others use 3mm, granting both greater insulation and resilience to extreme weather conditions (wind and hail)
Windows Installation	Substantial rubber seals for better insulation, not metal clips	Substantial rubber seals for better insulation, not metal clips
Foundation Frame	4" high (included)	4" high (included)
Door	1 Set of Double Hinged Doors	1 Set of Double Hinged Doors
Windows	2 Roof Vents, 2 Push Out Side Windows, 2 Louvre Windows	2 Roof Vents, 2 Push Out Side Windows, 2 Louvre Windows
Window Openers	1 Automatic + 1 Spindle (Roof), 2 Automatic (Louvre)	1 Automatic + 1 Spindle (Roof), 2 Automatic (Louvre)

Exaco Janssens modern greenhouse with a sloped roof situated in a lush yard, perfect for a relaxing retreat or a passionate gardener’s sanctuary.

M34/M36 Modern Greenhouse Manual

Modern M34/M36 Greenhouse Assembly Guide

Modern Greenhouse Accessories To Spice It Up

Create an ideal climate for your plants year-round with climate control options like shade curtains to regulate sunlight, fans to promote air circulation, and heaters for consistent warmth. Optimize the layout of your greenhouse with shelves and hooks for organization, and supplement natural light with specialized grow lights to maximize growth. Enhance your workflow with practical features like wheelbarrow ramps for easy access and automatic window openers for effortless temperature regulation.

Stack Up Your Success with Clever Greenhouse Shelves

Top Shelf

Create more room for your gardening essentials and prized plants with this sleek top shelf. Available in dark green or black to match your greenhouse, this 4-inch wide shelf measures 10 feet long for the M34 or 19 feet 10 inches for the M36, providing plenty of space.

Elevated greenhouse staging with green frame and white tray liner, ideal for seed starting and plant propagation.

Bottom Shelf (Seed Tray)

Perfect for starting seeds, propagating cuttings, or organizing small plants, this spacious shelf fits your M34 (15' L x 20" W x 4" D) or M36 (19'10" L x 20" W x 4" D) greenhouse. Its corrugated plastic bottom ensures good drainage, and you can choose from dark green or black to match your greenhouse style.

Black powder-coated slatted shelving installed in a Victorian-style greenhouse, maximizing space for seed trays and potted plants.

Slat Shelving - 2 & 5 Slats

Maximize your greenhouse's potential with our budget-friendly slatted shelving. Designed to fit any Victorian Greenhouse, choose between a two-slat (9" wide) or five-slat (21" wide) option, both available in black or dark green.

Upgrade Your Entryway for Easy Access

Janssens Royal Victorian Greenhouse with stylish black frame and glass panels, furnished as an outdoor living space with a fire pit and wicker furniture.

Sliding Door - Single or Double Configuration

Design your ideal entryway with our single or double door options. Both come in black or green to match your greenhouse and feature a low threshold for smooth entry.

Note: Original doors still come with the greenhouse—you must request their removal.

Janssens Greenhouse Double Hinged Door - perfect for wide entryways and easy access in your backyard greenhouse.

Hinged Door - Double Configuration

Welcome guests and easily move plants and supplies in and out of your greenhouse with our double hinged doors. These doors have a low threshold for effortless access and come with locks for security. Choose from black or green to match your greenhouse.

Janssens Greenhouse Double Hinged Door with black frame and glass panels - easy access and wide entryway for your backyard greenhouse.

Drop Door Kit - Hinged Doors & Sliding Doors

Upgrade your Modern greenhouse with our Drop Door Kit for 20-36 inch high walls (24 inches is best). Source replacement glass panels locally. We provide extra polycarbonate sheets for cutting. Pair with our Lowered Threshold option (sold separately). Provide your wall height for custom parts.

Exaco Royal Victorian Lowered Threshold Sliding Door Installation Guide

Lower Threshold Kit

The 2025 Lower Threshold Kit for Janssens Royal Victorian greenhouses reduce the entry height to 1¼", making access easier. Featuring a bottom-only design, it is cut for single doors, or you can purchase two kits for double sliding doors.

Hinged Door Stopper

Durable black door stop with built-in latch holds doors securely open. Standard with original hinged doors unless alternate hardware is chosen.

Photo of the Auto closer installed at a green door.

Hinged Door Auto Closer

Commercial-style auto closer with adjustable arm gently pulls doors shut. Fits greenhouses on knee walls; allows up to 120° opening for safety and convenience.

Magnetic Hinged Door Holder

Perfect for greenhouses on stem walls, this sturdy magnetic holder keeps hinged doors open at 90°. Easy to use, reliable, and highly effective in windy conditions.

Effortlessly Control Your Greenhouse Climate with These Upgrades

Louvre Window

Easily manage airflow and temperature in your Modern greenhouse with this black louvre window. Featuring 11 adjustable glass panels, it's easy to operate manually or upgrade with an automatic opener for added convenience.

Exaco Greenhouse Fly Screen for roof vent, keeps pests out while allowing airflow for optimal plant growth.

Louvre Window Fly Screen

Keep pesky insects out of your greenhouse with our easy-to-attach fly screen. Designed specifically for louvered windows, it simply clips on in seconds – no tools needed! Available in green or black to match your greenhouse.

Janssens Automatic Louvre Vent Opener for greenhouses, regulating temperature and airflow for optimal plant growth.

Automatic Louvre Windows Opener

This automatic window opener uses a paraffin-filled tube to control your greenhouse temperature. Above 72°F, the paraffin expands, opening the window up to 14 inches. A heavy spring closes it as the temperature cools, ensuring a stable environment for your plants.

Louvre Window Cover

In colder months, simply slide a 40" x 28" piece of 4mm clear Lexan over the louvered window for added insulation. The snug fit eliminates the need for extra fasteners or attachments.

Exaco Royal Victorian greenhouse with push-open side window for ventilation.

Push Open Side Windows

Boost airflow in your greenhouse with this easy-to-open side window. Hinged at the top for simple push-open operation, it comes in dark green or black to match your greenhouse style. Measuring 40 ½” x 30 ½”, it includes an extra glass panel for a seamless fit in your side wall.

Janssens Greenhouse Louvre Window with Fly Screen for ventilation and pest control

Push Out Side Window Fly Screen

Keep pests out with our easy-to-install fly screen. Designed to fit inside your push-out window, this screen comes in green or black and includes a brush seal opening for the window device.

Exaco Royal Victorian greenhouse roof vents open for ventilation, with sunlight shining through.

Additional Roof Vents

Every Modern greenhouse includes a roof vent for essential ventilation. Tailor your greenhouse climate by adding more vents, all available in dark green or black and measuring 30 ½” x 32 ½”.

A detailed view of a Janssens Greenhouse showcasing the automatic roof vent in an open position, and the fly screen protecting the interior.

Roof Vent Fly Screen

Keep pests out with our easy-to-install fly screen made for roof vents. It simply installs under the vent window and has brush seals for a snug fit, working with both automatic and manual openers. Choose from green or black frames.

Automatic Roof Window Opener

Maintain the perfect climate in your Modern greenhouse with this black automatic opener. Powered by a paraffin-filled tube, it opens your roof vent up to 14 inches when temperatures reach 72°F and gently closes it as it cools, all without electricity!

Manual Roof Window Opener

Open your Modern greenhouse roof window with ease using this stainless-steel threaded screw opener. Simply attach a long handle (not included) and turn to manually adjust ventilation.

Enhance Your Modern Greenhouse Climate with Janssens Add-Ons for Optimal Growing Conditions

Retractable shade system for Exaco Janssen Modern and Royal Victorian greenhouses, provides temperature control and protects plants from excessive sunlight.

Retractable Roll-Up Shades

Effortlessly adjust to any weather with retractable aluminum weave curtains for both roofs and side walls.

Click here to know more what's suitable for your greenhouse!

Exaco Janssens Royal Victorian VI Accessory Kit vi23, vi34, vi36 & vi46 cloth shade

Shade Curtains

This cream-colored shade curtain fits M34 (1x10' and 2x28") or M36 (2x10') greenhouses. It helps regulate temperature and light, creating a cooler, more comfortable environment for your plants.

Automated aluminum louver Exaco Modern greenhouse vent for temperature and humidity control.

Intake Shutter Vent

Maintain optimal conditions in your greenhouse with an automatic aluminum louver vent, designed to regulate both temperature and humidity. Available in 16", 20", and 24" sizes to suit your needs.

Solar Exhaust Fan System

This 31-pound kit is an efficient and eco-friendly way to control your greenhouse climate. Featuring a 50-watt solar panel, a 16" CE-approved fan, a thermostat, and a 20-foot cord, it operates without batteries and comes with a lifetime warranty on its brushless motor.

Exaco Portable Milkhouse Heater product image

Uline Milkhouse Heater

This heater runs on 110–120V with 1500W power and offers three modes: Fan Only, 1300W, or 1500W for easy temperature control.

Close-up of Exaco INKBIRD ITC-608T thermostat with dual probes.

Inkbird Thermostat

Inkbird ITC-608T thermostat with dual probes controls 2 heating/cooling devices separately. Plug-and-play, 120V/15A/1800W, range -40°F–212°F.

Industrial Heater

Keep big greenhouses warm with this industrial infrared heater. Delivers 18,500 BTU, with fan and thermostat controls for steady heat.

Exhaust Vent with Fan

The exhaust fan keeps fresh air moving in your greenhouse for a healthier growing environment. For easy setup, pair with the Lexan panel. Add a thermostat to automate it—otherwise, it runs continuously.

Create the Ideal Greenhouse Environment with These Must-Haves

A solar-powered LED light mounted on a white wall.

Solar Powered Light

Eco-friendly solar LED light for greenhouses/sheds. 250 lumens, 4 hrs runtime, cool white 6000K. Easy install, weather-resistant, 2-yr warranty. Not a grow light.

Astrica Grow Light

Boost growth with the ASTRICA 45W Interlight LED. F3 spectrum, 112 μmol/s, 2.5 μmol/J efficiency. Durable IP65 build, link up to 12 units for scalable, energy-efficient greenhouse lighting. Please let us know if you are stringing units together - it needs different cables.

A photo is a J hook for a greenhouse with a green circle highlighting of where to put the hooks

Stainless Steel Plant Hooks

Attach shelves and accessories to your aluminum greenhouse with this set of 20 stainless steel hammerhead bolts and nuts (6mm head). Insert and twist to lock in place.

Roof Bracing

Roof Bracing with adjustable turnbuckle, made of 2 flat bars (~41" x 0.75" x 2mm). Adds strength to greenhouses. Available in aluminum, green, or black finishes.

Scroll Supports

Reinforce and enhance your 20+ foot greenhouse with this set of three dark green scroll supports. Two shoulder supports and one roof support provide added stability while adding a touch of elegance to your greenhouse design. Please be aware that curtains will not be able to extend beyond the scroll supports.

Wheelbarrow Ramp

Crafted from solid rubber, this 49cm wide, 31cm long, and 10cm high ramp ensures a seamless transition for your wheelbarrow, making it easier to move heavy loads in and out of your greenhouse.

A photo is a J hook for a greenhouse with a green circle highlighting of where to put the hook.

T-Bolts and Nuts

Attach shelves and accessories to your aluminum greenhouse with this set of 20 stainless steel hammerhead bolts and nuts (6mm head). Insert and twist to lock in place. Use 12mm for Victorian greenhouses or 15mm for RIGA models.