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Grandio Greenhouses  |  SKU: SUMMIT-1228

Grandio | Summit 12x28 Greenhouse | SUMMIT-1228

Sale price $8,899.00 Regular price $9,348.90
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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

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