The Solar greenhouse from Westbrook Greenhouse Systems is designed specific-ally to ensure that the structure benefits from high light transmission throughout. It has six-foot lites of 4mm tempered glass, providing high light levels, strong hail resistance and the ability to handle snow loading. Designed for construction in any North American location, the Solar greenhouse has a proven track record with growers, retailers and insurance providers, offering an ideal year-round environment for growing all types of crops, from perennials to annuals, cut flowers and tropical foliage. The structure is available with continuous gutter vents, peak vents, or fan and end vents to ensure good ventilation. It is also available with twin wall polycarbon-ate cladding or inflated poly, and comes in widths from 18 to 48 feet freespan.