How to fix a broken shoe sole

Repair a crack in the shoe sole

Shoes are an essential part of everyday life and accompany us step by step. Unfortunately, they don't last forever and are prone to all sorts of damage. Make your shoes last longer by taking care of them and taking the necessary steps to keep them functional - repairing cracks that appear in the rubber soles is essential.

Use an adhesive specially designed for shoe repair to ensure the soles remain intact. Repairing the soles of your shoes can extend the life of your favorite shoe and save you having to buy a new pair of shoes.

Which factors are important?

The wear and tear of the sole is determined by a number of factors: the type of sole, the type of tread, the individual type of fabric, temperature and humidity, to name just a few. To repair a rubber sole, you can use silicone, crepe, or polyvinyl chloride (PVC) - a type of plastic. Manufacturers often use a variety of materials in making soles.

How do you repair a shoe sole?

First, use a washcloth to wipe any sand, dirt, or oil off the underside of the shoe. Use emery paper to work the surfaces of the rubber sole. The shoe repair adhesive adheres better to a roughened surface.

Press a shoe repair adhesive into the area where the crack can be seen. Completely fill in any cracks, but don't use so much glue that it drips onto unwanted spots. Moisten a wooden stick to spread the glue evenly over the area outside the crack where the two separate pieces meet again.

Use a clamp to firmly press the reconnected sections together. Leave the shoe in the clamp for 48 hours or until the adhesive has dried completely.

Why repair shoes?

As shoes have become more expensive in recent years, you can choose to have them repaired instead of replacing the broken shoes. This also protects the environment. As the shoes age, the rubber soles begin to wear away and become brittle, which leads to cracks. Fortunately, small cracks in a shoe sole are relatively easy and inexpensive to repair.

Steps explained

Step 1:
Remove loose pieces of rubber or foreign objects from the gap. Thoroughly clean the area with warm water and mild detergent and allow the sole to dry thoroughly.

Step 2:
Put a shoehorn in the shoe. Take special care that the shoehorn is set to the correct width.

Step 3:
Fill in the column with shoe repair glue. Apply the adhesive generously on both sides of the gap.

Step 4:
Attach a shoe clamp to the outside of the sole and press the gaps together. Use a damp paper towel to wipe off any excess glue that squeezes out as you tighten the clamps.

Step 5:
Cover a flat surface with a layer of aluminum foil and place the sole of the shoe on top. Put a heavy book on the shoe to make sure the shoe stays flat as it dries.

Step 6:
Allow the shoe to dry thoroughly according to the packaging instructions for the adhesive. Use a square of 250-grit sandpaper to remove excess adhesive prior to wearing.

The repair of shoe soles with silicone

Another very easy way would be to repair the shoes with silicone. This is a simple method and works just as well as the previous option.

Step 1:
Check the sole for cracks, holes or delaminations. Delamination occurs when parts of the sole become detached from the shoe. Rotate the shoe to determine the size of the damaged areas and note the location of the damage. You may want to mark small areas of damage with a piece of masking tape to make sure you don't miss any of the damaged areas.

Step 2:
Use a nail file to remove any debris or dirt between the cracks or under the delaminated areas of the sole and wipe the damaged areas with a clean towel. You can lightly sand the edges of the cracks with the nail file to prepare the sole to adhere to the silicone.

Step 3:
Put on rubber gloves and pull apart the edges of the damaged areas and gently squeeze the silicone tube by adding small beads to the edges of the damaged areas. The silicone dries very quickly so be careful not to apply too much.

Step 4:
Squeeze the damaged edges together and wipe off the excess silicone with a paper towel. Turn the shoe upside down and let it dry for three to four hours.

You can also attach a clamp to put more pressure on the repaired area. If there are delaminated areas on the sole, you can place a heavy object on the shoe when you let the silicone dry.

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