Do it your self sash window draught proofing is rather popular. Considering the huge benefits of saving energy with just a few simple steps, it is no wonder why so many are making the effort.
The history of glass windows made its original journey when the Romans in 100 AD used glass in villas and buildings where the prestigious were housed. The glass produced by the Romans has been found across Europe, in the Mediterranean, and in China. German Craftsmen in the eleventh century discovered that by taking small pieces of glass and putting them together with lead they could create larger more intricate designs, now known as stained glass.
A number of aspects can affect the methods employed by commercial window cleaning companies. Height of the building and access are the main ones. All the staff in the companies needs to have special training to operate at heights and risk is another factor in deciding the appropriate technique. The traditional window cleaning style with a ladder and a squeegee is still used but when this is not possible there a number of other methods which can be employed.