When choosing your summerhouse or greenhouse, there are some important factors to take into consideration, such as size and storage facilities. Often the type of glass is overlooked, when this can make a big impact depending on where you live and what you you plan to use your new unit for.
Float glass is a sheet of glass made by floating molten glass on a bed of molten metal, typically tin, although lead and various low melting point alloys were used in the past. This method gives the sheet uniform thickness and very flat surfaces. Modern windows are made from float glass.