ThermaGlas 4mm twinwall clear polycarbonate, in 2' x 6' panels, are perfect for use as replacement panels for hobby greenhouses.
These ThermaGlas polycarbonate panels offer 99.5% UV protection. The light weight and shatterproof multiwall design coupled with integrated UV resistant co-extruded layer yields long service periods backed up by a 10 year limited warranty. The cellular multi-layer structure reduces heating costs in winter while minimizing excessive heat in summer. A special coating on the bottom side eliminates condensation dripping. Blocks ultraviolet rays that burn plants and living tissues, and transmits only beneficial radiation.
- 2' x 6' panel
- 4mm Thickness for double wall
- 82% light transmission
- Superb thermal insulation—saves energy
- 10 year limited warranty against UV degradation
- Impact resistance—virtually unbreakable
- Approx. Weight: .16 lbs per sq. ft.
- Low flammability (available with CC1 rating)
- R-Factor: 1.49; U-Factor: 0.67
All polycarbonate orders are custom crated and will be accessed a crating charge. This charge will be automatically added when you add polycarbonate to your Cart.
5% Discount for polycarbonate purchases exceeding $5,000*Note: oversize shipping charges may apply for panels 20' or longer
10% Discount for polycarbonate purchases exceeding $10,000
10% Discount and FREE shipping* for polycarbonate purchases exceeding $15,000
Call a Greenhouse Megastore Sales Representative at 1-888-281-9337 to place quantity orders. Purchase orders are accepted from schools and institutions.
ThermaGlas Assembly & Storage Guide (PDF)
Multi-wall Polycarbonate Installation Instructions (PDF)
ThermaGlas Technical and Installation Guide (PDF)
ThermaGlas Limited Warranty (PDF)