Aluminum Balcony Frames Are now Becomping More and More Popular. SINCE with The Help of Sliding Frames You Can Save Beneficial Spaces on the Balcony Or Loggia. It is ALSO VERY Convenent That they Are Pushed to the Sides. Aluminum Sliding Frames are Reliable and Resistant to Varius Weather Conditions. They Protect from Rain and Wind, and Also does not allow the house or too peenetrate the apartment or the Poplar Fluff.