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Grecoline offers various opening systems that would fit the requirements of any residential or commercial space. Each system has its own advantages and special characteristics. Our team of specialists and technicians are highly experienced at installing the different types of opening systems, and they are 100% committed to ensuring that our customers are satisfied with the products and the installation.

We offer 4 opening systems for windows and doors: side hung, bottom hung, top hung, and tilt and turn.

Side hung

Side hung systems are classic opening systems that are hinged on the left or right side of the frame and open at the other end where a latch or a lock can be installed. Side hung systems can be single or double paneled and usually open outward. Side hung window and door systems allow air to come inside depending on how wide they are opened. It ventilates the area and provides a view of the outside without any obstruction. This type of opening system can be used by any type of door or window.

Bottom Hung

Bottom hung opening systems are hinged at the bottom and are usually reserved for windows. They are used mainly to let some air in without letting in too much breeze. This applies to areas where there are sheets of paper and other lightweight items that can be blown away by strong winds like in non-air conditioned printing presses and art studios. This can also be seen on tops of doors to provide air circulation within the room. These openings open inward.

Top Hung

Top hung opening systems are hinged at the top and open from the bottom of the frame. They are low maintenance opening systems that can be left open during bad weather. It allows air to come in the room without letting water or dirt in. Top hung windows usually open outwards. Schools and industrial buildings use this type of opening systems often. Garage doors also make use of this type of opening system.

Tilt and Turn

Tilt and turn opening systems combine both the characteristics of a side hung and a bottom hung system. This type of opening combines the best of both worlds. Open it at the side to let in the breeze and see the outside without any obstruction or open it on the top  to let in only a little bit of air.

Opening Systems