Grandio | Summit 12x28 Greenhouse | SUMMIT-1228

Is the Summit 12x28 Greenhouse Kit the Solution for Your Year-round Gardening Needs?

Overview

The Summit 12x28 Greenhouse Kit gives you a sturdy, insulated space for year-round growing. It pairs a rugged aluminum frame with 10mm twin-wall polycarbonate panels for durability in any climate. The barn-style design provides plenty of room for plants and a touch of garden-worthy charm.

Benefits

• Durable in tough weather: 1.6 mm aluminum frame stands up to storms and seasonal changes.
• Warm, efficient growing: 10mm twin-wall panels offer solid insulation (R ? 1.89; U ? 0.53).
• Easy access and airflow: sliding double doors glide smoothly and lock securely; 14 roof vents help keep air moving.
• Weather-ready package: rain gutters, a drain kit, a snow-load kit, and anchors come standard.

Features

• Frame: Heavy-duty powder-coated aluminum (1.6 mm).
• Panels: 10 mm twin-wall UV-protected polycarbonate.
• Doors: Bind-resistant sliding double doors with smooth operation.
• Latch: Magnetic latch doors with key lock.
• Reinforcement: Cross-roof truss and cross-corner bracing for stability.
• Hardware: Stainless steel nuts and bolts.
• Ventilation: 14 roof vents with adjustable manual openers/latches.
• Wind & snow: Withstands winds up to 76 mph; snow load up to 25 lb/ft² with the included kit.
• Color: Powder-coated green frame.

Specifications

• Actual size: 12' W x 28' L x 9.25' H
• Door size: 41.5" W x 85" H
• Frame material: Heavy-duty aluminum
• Panel material: 10mm twin-wall polycarbonate
• Rain gutters: Yes
• Ventilation: 14 roof vents
• Warranty: Lifetime frame / 10-year panels