7 products

Grandio Summit 8' Extension Kit

From $2,200.00
From $2,200.00 $2,420.00

Grandio Ascent 4' Extension Kit

$850.00
$850.00 $935.00

Grandio Summit 4' Extension Kit

From $1,200.00
From $1,200.00 $1,320.00

Grandio Ascent 8' Extension Kit

$1,900.00
$1,900.00 $2,090.00

Grandio Elite 4' Extension Kit

$950.00
$950.00 $1,045.00

Elite 8' Extension

$1,900.00
$1,900.00 $2,090.00

Grandio Element 4' Extension Kit

$650.00
$650.00 $715.00
Green metal greenhouse with transparent panels on a gray background

Grandio Greenhouse Extension Kits

Need more growing space? Expand your greenhouse with our professional extension kits! Available in 4-foot or 8-foot lengths to match your needs. Each kit includes aluminum frame sections, polycarbonate panels, and all necessary hardware. Seamlessly connects to your existing Grandio greenhouse for instant additional space.