console.warn && console.warn("[GTM4WP] Google Tag Manager container code placement set to OFF !!!"); console.warn && console.warn("[GTM4WP] Data layer codes are active but GTM container must be loaded using custom coding !!!");

Skip to content

Home
Checkout
Contact

top

Toll Free: (866) 448-8231

Search:

Facebook page opens in new window Instagram page opens in new window

Grandio Greenhouses

Greenhouses
Accessories
Features
Videos
Galleries
Catalog
Resources

$0.000

View Cart Checkout

No products in the cart.

Subtotal: $0.00

View Cart Checkout

Greenhouses
Accessories
Features
Videos
Galleries
Catalog
Resources

Extension Kits

Grid view List view

Showing all 7 results

4′ Grandio Ascent Extension
$700.00

Status: In stock and ready to ship

Select options

4′ Grandio Element Extension
$525.00

Status: In stock and ready to ship

Select options

4′ Grandio Elite Extension
$800.00

Status: In stock and ready to ship

Select options

4′ Grandio Summit Extension
$1,200.00

Status: In stock and ready to ship

Select options

8′ Grandio Ascent Extension
$1,750.00

Status: In stock and ready to ship

Select options

8′ Grandio Elite Extension
$1,900.00

Status: In stock and ready to ship

Select options

8′ Grandio Summit Extension
$2,200.00

Status: In stock and ready to ship

Select options

Shop Greenhouses

Grandio Element 6×4
Grandio Element 6×8
Grandio Element 6×12

Grandio Ascent 8×8
Grandio Ascent 8×12
Grandio Ascent 8×16
Grandio Ascent 8×20
Grandio Ascent 8×24

Grandio Elite 8×8
Grandio Elite 8×12
Grandio Elite 8×16
Grandio Elite 8×20
Grandio Elite 8×24

Grandio Summit 12×8
Grandio Summit 12×12
Grandio Summit 12×16
Grandio Summit 12×20
Grandio Summit 12×24
Grandio Summit 12×28
Grandio Summit 12×32

Shop Accessories

All Grandio Accessories
Open-Box Deals

Auto Roof Window Opener
Auto Louver Window Opener
Anchoring Kit Options
Back Door Kits
Base Kits
Drain Kit
Extension Kits
Frame to Base Brackets
Heaters
Louver Window
Moisture Control Kits
Plant Hangers
Roof Window Vent – Ascent
Roof Window Vent – Elite
Seed Heating Mats
Shade Nets
Snow Load Kits (Element)
Tables & Benches
Thermometer
Thermostat
Trellis Kit
Watering

Resources

Assembly/Technical Info
Customer Photo Gallery
Videos
Catalog Request
Greenhouse Reviews
Financing
Referral Program
Return Policy
Warranty
Greenhouse & Gardening Articles

Navigate Our Site

Features
Videos
Gallery
Contact
Scholarships

Shop Greenhouses

Grandio Element
Grandio Ascent
Grandio Elite
Grandio Summit
Accessories

Toll Free: 1-866-448-8231

88 N Touchmark Way Ste 150, Meridian, ID 83642

Find us on:

Facebook page opens in new window X page opens in new window YouTube page opens in new window Linkedin page opens in new window Pinterest page opens in new window Instagram page opens in new window Website page opens in new window Foursquare page opens in new window Yelp page opens in new window

©2025 Grandio Greenhouses, a division of Backyard Living Source, Inc., All Rights Reserved. | Terms & Conditions | Privacy Policy

Winter Greenhouse Sale! Up to 20% off all greenhouses now through 01/20!Shop Now

+