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Frequently Asked Questions

Click on a question to find out the corresponding answer or contact our OPTIMUM assistance service through email or telephone at +33(0)6.74.10.78.17.

Standard packs with rear guides: where are the upper guides ? Standard packs with rear guides: where are the upper guides?

Please carefully check the protective cover of the rails: one of them contains the box of upper guides.


Made-to-order aluminium façades: how can I determine the orientation of the upper rail ? Made-to-order aluminium façades: how can I determine the orientation of the upper rail ?

The U-shaped rail has a smooth surface on one side and the surface of the other side has a mark above the other. Place the side with the mark towards the outside of the recess.


My floor is sloped or I have a false ceiling. What do I do ? My floor is sloped or I have a false ceiling. What do I do ?

Measure the height of your recess at two points that are far away from one another. If the discrepancy between these 2 height measurements is lower than 1 cm, use the average height of the two measurements to place your order. If the discrepancy is higher, re-establish the height using a bracket or by resurfacing.


How do I adjust the lower casters ? How do I adjust the lower casters ?

For the made-to-order products: unscrew the screw above the caster until the caster is free and then adjust till the height necessary for the proper functioning of the bumper stop is reached.


Standard packs with rear guides: how much should I reduce the height when I cut ? Standard packs with rear guides: how much should I reduce the height when I cut ?

Compared to the height of your recess H, your cut panel must be (H-25 mm) and your vertical sides must be (H-40 mm).


Can I cut my mirrors ? Can I cut my mirrors ?

For safety reasons, mirrors should be cut exclusively by professionals.


When the doors have been fitted with bumper stops, how do I adjust them ? When the doors have been fitted with bumper stops, how do I adjust them ?

Remove the caster near the bumper stop, and then screw it on again. Fit the bumper stop. Adjust the height of the door till you achieve the height required for the proper functioning of the bumper stop.


I do not understand the instructions for keeping the lower slightly behind the upper rail. I do not understand the instructions for keeping the lower slightly behind the upper rail.

Place your upper rail on the surface of the wall and your lower rail slightly behind it, without screwing it in place. Insert a door and check if it is perfectly straight using a level. Then trace a line behind the lower rail before removing everything. You can now screw the lower rail as per the traced line.


I am going to fit my cupboard with a layouting. How deep a space should I leave in the recess to install the front sliding doors ? I am going to fit my cupboard with a layouting. How deep a space should I leave in the recess to install the front sliding doors ?

Leave 10 to 12 cm if your layout includes drawers. In this case, check whether the position of your doors can accommodate the opened drawers.


Are the mirrors included in the doors actual mirrors or simply silver films ? Are the mirrors included in the doors actual mirrors or simply silver films ?

Yes, these are actual mirrors that are 4 mm thick with silver plating and anti-break film. They are mounted on MDF reinforcing panels.