If the slider comes off due the reason of old or cheap zippers, and there is no other way to get it back on, there are few ways to repair it. Incase of the first method, which will spoil the fabric but the zipper may get damaged, and in the second technique that saves the zipper at the cost of the fabric. Two types of method can be employed while Fixing Zipper



First type:

1.Try to line up the two sides of zipper as much as possible. Keep it on a flat surface, it will get easier.

2.Relieve the teeth of the zipper from the unattached side hooked on the slider to the extent it can be done.

3.Now use pliers over it, relieve the single side on the slider. The free side must be the majority on the way in the slider.

4.By sliding it up and down to check the zipper attached or not. If it is not, then slide the zipper close to end.

5.Adjust the pliers inside surfaces so that it would touch the peak and base of the slider. Relieve the pliers downward till the separated side shatters back in the place.

Second type:

1.If the broken zipper has slider on one side only and the other one do not, then take the zipper up and down direction.

2.Now take a scissors, cut on the surface of zipper that do not got the slider, at the same summit as the base of the slider when it is at lowest feasible place. Construct the cut amid of the teeth of two zippers.

3.Support the free side of the closure in the top ending of the slider where one can make a cut. Slide it till the top, until it reaches the end. The surface with the cut may have a small loose.

4.Now pull the zipper separately to get two loose strands under the slider.

5.Apply adhesive on the cut and on the zipper underneath the cut to hold it together.

Useful tips:

It may severely harm zipper while pulling it through to avoid the loose it is also possible to make the cut level with the peak of the slider, it can be minimized. Pliers may spoil the slider completely. With pliers forcing the unattached side reverse into the slider force harm the teeth on the close side. Do this if it does not tear the fabric. If the cloth is expensive enough then it is not worth risking it, consider DIY Clothing Alterations.