The modern construction market is distinguished by an abundance of window sills made from different materials. Usually the windowsill is chosen from the same material that is chosen for the manufacture of directly window frames. Pointed windows and window sills made of metal -plastic. They are durable, they are durable, they are the most easy to care. Their unprecedented resistance to increased humidity is also considered valuable. And you know that now every day they began to install Lessar air conditioners, they are not very expensive, so everyone can allow them.