Understanding the Insulation Properties of 8mm Twin-Wall Polycarbonate for Dome Greenhouses in Winter and Effective Heat Retention Strategies
Polycarbonate is one of the most effective materials for geodesic dome greenhouse insulation because it traps air within its twin-wall structure, helping to retain heat.
The 8mm twin-wall polycarbonate panels we offer have an R-value of 1.72, which is the highest among standard polycarbonate thicknesses. While this provides good insulation, it's essential to complement it with efficient heating and additional heat retention strategies to maintain stable temperatures in below-freezing conditions.
For optimal winter performance, geodesic dome greenhouse growers typically implement the following strategies:
- Supplemental heating: A reliable heating system is crucial to maintaining desired temperatures.
- Thermal curtains or insulating blankets: These help reduce heat loss overnight when temperatures drop the most.
- Heat retention flooring or water barrels: Materials like stone, brick, or water barrels inside the greenhouse can absorb and slowly release heat, stabilizing temperature fluctuations.
- Proper sealing: Ensuring all joints, doors, and vents are well-sealed prevents cold air infiltration.
By using these methods alongside 8mm twin-wall polycarbonate panels, you can effectively maintain reasonable temperatures inside your geodome, even in extreme winter conditions.