Sliding stacker doors come in a couple of different combinations, however mostly it will be a combination of one fixed glass panel and two sliding glass doors. In the fully open position the two sliding glass doors will be behind the fixed glass panel.
There are other combinations; you can have three glass doors that will all slide back behind one fixed glass panel. You can have centre opening doors which consist of a fixed glass panel on the left and a fixed glass panel on the right and two centre opening doors that slide that behind each of those glass fix panels. There is also a variation on centre opening stacker doors in that they can be two sliding glass doors that slide back behind the one glass panel on either side.
Fitting sliding Seconline Security Screen doors to sliding stacker glass doors can be a challenge, however not impossible. In the case of the first combination which is one fixed glass panel and two sliding glass doors then it is simply a matter of measuring the total opening from inside the closing channel to the back of the receiving interlock on the fixed glass panel. Add 70 mm (which is the width of a door frame) and divide by 2; this will give you your individual door sizes.
We add the 70 mm as the doors will overlap in the centre and you will have less visual impairment if the two door frames are in line rather than a total of 140 mm.
The two Seconline Sliding Security Screen doors will have to be connected; this is done by using a frame interlock on the back of the active door (the term active door refers to the door that has the lock and the term non-active door will refer to any remaining doors), to the non-active door which will have an offset interlock so that the connection is made during the opening and closing process.
This will enable anyone closing the doors to pull the active door from the lock handle and as it slides into the fully lock position. When the locked position is in place it will mean that the back of the non-active door will be locked into the fixed glass panel on one side and interconnected with the other door in the middle and locked into the closing channel on the locking side.
To measure the drops of sliding stacker doors is no different than if the door was a single door. Measure from the top of the bottom track to the bottom of the top track or the base of the top U channel and deduct 12 mm. Be sure when you are measuring that there is no massive variation in the drop measurements as can occur in some older doors or poorly installed doors. It is important that the gap between the top and the bottom tracks are somewhat parallel generally within a 5 mm margin as a maximum. If this is not the case then tracking may be necessary.
For a full description of How to Measure Sliding Stacker Screen Doors please see our DIY Help Centre.