Grow bigger plants, faster with our custom arched or round High Tunnel Greenhouse. We can go as small as 8 feet wide x 20 feet long x 8 1/2 feet high or as big as 38 feet wide, 15 feet high and 100 feet long. Round frames are best for snow load, and high arched gothic frames are great for growing trees or hanging pots. Snow areas we often recommend an inflated double layer of 6 mil poly.
CURRENT PRODUCTION LEAD TIME 2 to 3 WEEKS ESTIMATED (production time plus at least a week shipping, will vary by location and season)
IMPORTANT NOTE: Please be sure to contact usat support@grizzlyshelter.ca for a specific quote on custom sizes and the best pricing for shipping to your postal code address. Quotes below varyby covering, frame type, size and shipping destination and are estimates only from past quotes and may not reflect the latest steel and shipping prices! Delivery is 2 or 3 weeks average since these are custom made and shipped to your location anywhere in Canada with exception of the 3 northern territories.
What Can The Base Package Include?
Steel tube greenhouse arch or round rib frame at 4 feet apart
Optional end panels which include openings for doors at 37" wide and as high as you want (you can install door cross tube as high as you like)
Auto-open (75 F) vents, 2 per end panel
1 or 2 layers of 6 mil UV and/or Anti-condensation poly plastic
Option for insulated Luminate 5.5 oz diffuse cover (better insulation, less light)
How Does It Anchor to the Ground?
The frame comes with anchor pipes which you drive into the ground 20" to 30" using a wood block
You then assemble and insert the steel ribs into the anchor pipes every 4 feet
How Long To Deliver? So production plus delivery time is 3 to 4 weeks total estimated with Spring and Fall peak seasons taking slightly longer. These high tunnels are custom made in the US, and then shipped directly to you.
Warranty? The frame has a 1 year warranty, Luminate Cover has 3 Year, and 6 mil poly 4 Year.
Return Policy? Since these are custom made based on size and type, there are no returns.
Our Gothic Arch or Round Greenhouse Kits are the perfect all-in-one greenhouse kit for anyone from novice gardeners to expert growers. Proven to grow plants faster than the competition, our High Tunnel Greenhouse Kit comes with everything you need to start growing. Includes a galvanized steel High Tunnel Greenhouse Frame, the galvanized steel High Tunnel Greenhouse End Panel Frames and a 5.5 oz polyethylene greenhouse cover kit proven to grow plants more efficiently. You can also substitute to our Super 4 clear 6 mil poly or our Thermax 6 mil anti-condensation poly.
This High Tunnel Greenhouse Kit is a unique value because it allows the customer to custom configure it to their specifications and is made from the highest quality materials. Simply choose the length and width of your structure, and we'll custom build you a high quality high tunnel greenhouse, end panel frames and accompanying cover. Build time is currently 2 weeks before we ship (will vary by season) and we will quote delivery to your door in Canada, from our Calgary AB or Longueuil QC warehouses. We offer a range of accessories such as vents, ground anchors and shelves (see images below).
Our High Tunnel greenhouses are made with a durable, hot-dipped galvanized steel frame and feature a unique cover – our Luminate Diffusion 5.5 oz fabric cover – which promotes growing and reduces water consumption. Use it as a cool weather Coldframe Greenhouse, or as a traditional High Tunnel Greenhouse structure. This unit is a gothic or arched shape. Round shaped roof is also available. UNIT INCLUDES HIGH TUNNEL GREENHOUSE FRAME, COVER KIT, AND END PANEL FRAME.
STRONGER GREENHOUSE FRAME
Unlike our competition, we use only high quality, certified US manufactured galvanized carbon steel for maximum strength and durability. Each configured unit is made to order based on your specifications.
CUSTOM CONFIGURABLE SIZING
Whether you need a reliable, compact greenhouse or you’re looking for a larger structure, our High Tunnel greenhouses can be configured to meet your size requirements.
GROW STRONG PLANTS, FASTER
In a side-by study our greenhouse Luminate Diffusion fabric covers have proven more effective in growing plants and vegetables than the competition. Our 5.5 oz. tear-resistant polyethylene cover is made strong to create the ideal environment for plants and seedlings to flourish. In a study we found that plants grown in a greenhouse utilizing our unique cover required less water than those grown in competing greenhouse units.
Features
More Efficient and Effective Growing: In a side-by study our greenhouse covers have proven more effective in growing plants and vegetables than the competition. Our 5.5 oz, ripstop cover is made strong and reliably retains heat to create the ideal environment for plants and seedlings to flourish. Not only do our greenhouse covers promote growing, but they're also more environmentally friendly. Plants that have been raised within our greenhouse structures and covers have required less water to grow.
Durable Cover: Our 5.5 oz polyethylene fabric covers are made strong and manufactured to eliminate ripping, tearing and fraying. Heat sealed to keep water out, our covers conveniently allow visible light in while helping to block harmful UVA and UVB rays.
A Stronger Greenhouse Structure: Unlike many of our competitors, we use only high quality USA manufactured galvanized carbon steel for ultimate strength and durability. Our steel is certified ASTM A653 for maximum resistance against corrosion and rust.
Convenient End Panel Frames: Need to install a fan or air vent at either end of your greenhouse unit? No problem! Our High Tunnel Greenhouse End Panel Frame makes it easy to customize your High Tunnel Greenhouse. These sturdy end panel frames attach easily to the main greenhouse frame. Use them to create a custom entry or doorway into your greenhouse, install fans, air vents or other units quickly and easily to the end panel frame. Made in USA from US galvanized steel and comes with a 3 - year prorated warranty. Fits round shape High Tunnel Greenhouse frames.
Long Lifespan: Our High Tunnel Greenhouse Frame and End Panel Frame comes with a 3 year prorated warranty, and each cover comes with a 1 year pro-rated warranty.
Secure Anchoring: All High Tunnel Greenhouse units come equipped with 30 inch base pipes. Once anchored securely, these pipe anchors will prevent the greenhouse frame from racking or wobbling at connection points.
Stable Structure: Our patented Stabilizers provide rock-solid strength and stability to the frame of your High Tunnel Greenhouse. Stabilizers are made of steel and act as tough, reliable connectors at every purlin, preventing racking and wobbling so your frame stays put.
Simplified Assembly: Pre-drilled holes in our galvanized steel piping make assembly of your High Tunnel Greenhouse Frame easier and more efficient. Nut and bolt fasteners not only simplify assembly, but add the the stability of the structure, reinforcing connections at every joint.
Step-By-Step Instructions: All of our buildings come with simple step-by-step instructions for easy assembly.
Here is a video on double layer greenhouses and wiggle wire installation.
Here is a video on installing venting with roll-up sides.
This video covers heat control in your high tunnel greenhouse.
Galvanized Steel Frame: 3 years prorated, year 1 full repair or replacement; Standard 5.5 oz Cover Fabric: 1 year, full repair or replacement; Hardware and Accessories: 1 year, full repair or replacement
