Installation Instructions For Sliding Folding Door Units
NOTE: Our Folding doors are subject to quality inspections before leaving our premises and are fully functional and square.
1. After placing the folding door in the position, ensure the sill is absolutely straight and level.
NOTE: A builders line is a handy tool that can easily show sagging of the top frame, bowing in the sides of the frame and if the sill is not straight and level.
2. The set-up of the frame must be 100% level, vertically as well as horizontally.
3. Verify that the frame set-up is correct by opening and closing the folding door. The last door should close firmly against the frame or against another door if a pair, if not the set-up is not correct. The doors should fold absolutely freely with no interference against the top fame or the sill at the bottom.
4. Make sure the unit is built in the correct way around. (glass is installed from the outside)
5. Build up both sides of the folding door at the same time without any unnecessary inward pressure that will bow the frame.
6. Frequently open and check that the folding door is running smoothly and closes firmly against the frame. (do so before building in the lintel)
7. The lintel that is on top of the door must be supported to be able to take the weight of the bricks. The support must stay in place until the cement is dry to prevent the top from sagging. A gap between the top of the frame and the lintel is recommended as sagging does take place and can cause the doors to be firmly
wedged, making servicing difficult if not impossible. Ensure that the gap visible on the outside, between the top of the door and the frame (when doors are closed), is kept uniform over the entire width of the folding unit. (At least 4 mm)
8. To verify that the lintel is not sagging, the gap from the top to bottom between the sill and the upper frame must measure the same.
9. Ensure at all times that no plaster, sand or any other foreign materials is wedged between the folding doors and that the sliding track is also kept clean.
10. Folding doors are subject to extreme cases of shrinking and swelling, to compensate for this, special adjustable side hinges are fitted.
11. Ensure at all times that the frame and doors are treated with penetrating oils (especially top’s and bottoms of doors) and are kept clean of wet plaster and cement.
NB: The majority of problems on Sliding doors are caused due to sagging of lintels, sill not being level, and pressure transferred on the frame from the side walls.
The company does not accept any responsibility for any defects if these procedures have not been followed.