e-Gro Alert report by Roberto Lopez and Brian A. Krug:
Is your double-poly greenhouse properly inflated with outside air?
Why is this airspace so important? By creating an energy-saving “dead air” space, your double-poly greenhouse becomes taut and smooth, thus increasing it strength. More importantly, you create an insulation layer that prevents heat loss at half the rate of single-paned glass.
Click here to read the entire e-Gro Alert report written by Roberto Lopez and Brian A. Krug (PDF)
