Polygro (R) is a reinforced polyethylene designed for use when a high strength film is required. Woven from high quality PE, Polygro (R) resists puncturing and tearing. It is natural in colour giving it a high light transmission (80 - 85% approx). Suitable for greenhouse sides and in some cases it can be used as the roof plastic. Approx 180gsm. Life expectancy 3 - 5 yrs.