TMG-GHD3060 Pro Series 30 x 60 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 59.7’ (L) 
• Heavy-duty galvanized steel structure 
• Steel tubes were 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 a shipping crate
• Shipping dimension: 87" x 45" x 43"
• Shipping weight: 0.0 lb