Glazing

Glazing , which forms a very important part of most building , has the form of attractions :

Aa) It admits daylights while providing a weather proof barrier .

B) Daylight is known to have psychological benefits for people compared with artificial light source .

C) Plain glazing provides the interest of an external  view .

D) Glazing provides an increased feeling of spaciousness in a room of a given size .

Glass is the most traditional material for glazing , offering the following benefits  :

1. Glass is quite cheap to produce . 
2. glass is relatively hard and generally scratch resistant . 
3. Glass is quite inert and largely unaffected by exposure to normal atmospheres . 
4. The material is easy to cut . 
5. It has excellent optical properties .