You’ll basically making a patch with a durable, waterproof shoe glue that cures to a rubber seal. To ensure a good bond, use some sandpaper to rough up the repair area. … Apply Aquaseal SR to the crack or hole on your rubber boot.

Can you patch rubber?

Torn rubber products may still have some life left in them if the rip can be repaired so the items are safe to use. … Basic rubber cement can be used to repair a split in a child’s toy ball, although stronger, waterproof adhesives may be needed for rubber materials intended for regular outdoor use.

Why do rubber boots crack?

If the boots are left outside or in an uninsulated garage, the rubber will shrink and grow with the temperature change from day to night. This could cause cracking in the rubber.