TMG-GHD3040 Pro Series 30 x 40 FT Light Deprivation Tunnel Greenhouse Grow Tent with Dual Layer Covering, Cold Frame, Hand Crank Roll-Up Sides, Peak Ceiling Roof, 6-Mil Blackout Tarp and Clear Film

Structure:

• Exact floor footprint: 30’ (W) x 38.4’ (L)
• Heavy-duty galvanized steel structure
• Steel tubes added on the front and end walls to keep the films tied
• Peak ceiling height: 12’
• Truss arches: ⌀2.3” – 15 gauge
• Horizontal purlins: ⌀1.65” – 17 gauge
• Reduced bay spacing to 50’’ to reinforce durability
• Approx. 5' sidewall height at the arch
• 4’ hand crank roll-up sides for ventilation & reduced condensation
• Hand crank roll-up mechanism from both sides to the peak ridge for the blackout tarps
• Bi-parting 88'' x 78’’ (W x H) swing door on two ends
• Heavy-duty footplates with pre-drilled holes
• Anchoring: sleeve anchor bolts (included)
• Foundation required: concrete slabs, solid woods or equivalent
• Aluminum lock channels and wiggle wires to secure films
• NOT INCLUDED: Horizontal 1x6 treated wood sides

 Cover materials:

• 6 Mil Clear EVA Plastic Film
  • Light transmittance: 92%-96%
  • Light diffusion: 20%
  • Thermal effect: 80%
  • Anti-fogging and anti-dripping
  • Life span: 36 months
• 6 Mil Light Deprivation Blackout Tarp
  • Three-layer melted resin: 2 dark black and one external white
  • Commonly used in flowering plants with tight daylight cycle control required
  • 100% light blackout protection
  • UV additives to withstand UV rays
  • Light-reflective white layer facing out
  • Life span: 36 months

• Packed in one metal crate shipping box
• Shipping dimension: 87” x 29” x 49”