More than number of screens naturally use a lot of profiles, the track is literal meaning, two rails or three rails, sliding door necessary. Three rails is larger than double track push-pull in opening area! But aluminum alloy usage is large!
There are three tracks. Slide Door can run on three tracks. If there are only two tracks and three slide door, then there must be two doors on one track, so you can only open one door as big as pulling it around. If three slide door are on three tracks, you can pull them at will.
Three-track sliding door is essentially one more track than two-track. This track sliding door is generally used for relatively large door holes. The other door has relatively heavy quality and thick material, this can avoid derailment when sliding the door, and reinforce the firmness of the track and the convenience of pushing and pulling.
The three doors of three rails can open one piece, and the three doors of two tracks can only open one door. The opening area of double-track profiles can reach up to 50%, and three rails profiles can reach 66%! This is the main difference! Other differences include stability, number of Open fans, and aesthetics! According to the balcony area, the open space is different. Three doors of three rails can open one piece, and three doors of two tracks can only open one door.
Three rails sliding door is actually no special difference from the second track sliding door. It is almost the same to use, that is, one is three doors, one is two doors, in addition, three rails sliding door can run on three tracks when the door is pulled, while the second track sliding door can run on two tracks when the door is pulled. There is nothing special to use. If you use sliding door in the wardrobe, it is recommended to use three rails sliding door, which will be very convenient to use. If you use the cabinet, use the second track sliding door.