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The 10 types of window openings

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We’ll teach you to differentiate the types of opening in aluminium windows and their advantages and disadvantages.

Have you ever felt lost when you tried to buy aluminium windows with different types of opening? Has a sales agent told you that a tilt wing window is the best and you have imagined the window in a spacecraft? We have the solution for you. We have compiled the 10 types of window openings, in a clear and simple way, so you can correct your brother in-law next Christmas dinner (we hope it’s not you).

Types of opening

Turn or side hung: In this case the sash rotates on a vertical axis, relying on hinges. It is the most popular, it frees all the opening but it takes an opening space that we must leave free.

Top and Bottom Hung: These have a horizontal axis. Depending on the part of the window which moves, the upper or the lower side we’ll name them top or bottom hung respectively. They are highly recommended to ventilate rooms without being able to open completely, for example in schools.

Tilt and turn: This type combines the two previous. They can be open on a vertical or horizontal axis. Because of having both possibilities it is a very versatile.

Guillotine or Sliding: These windows are divided in two parts, in horizontal or vertical. They move along rails in the opposite direction of their separation. As opposed to the turn windows they don’t need free space to be opened, but they can only be opened 50%. Also, there is a version of sliding windows called “liftings”, which allow moving the sash more easily despite being very heavy.

Swing/ Pivoted: This type is similar to the top and bottom hung, but the opening axis is in the centre of the window. If this is vertical it will be pivoted, but if it is horizontal it is called Swing.

Folding: This window or door can be folded as a book, so it can free all the opening occupying a very small space.

 Sliding and tilt: In this type the sliding and tilt types are combined, being a solution with multiple options.

Now you are a total expert in window openings. If you have found it useful, share it in your social networks!

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