Can Fix-a-Flat ruin my tire?
No. Fix-a-Flat will not cause harm to most tires when used as directed on the label.
We do not recommend installing Fix-a-Flat into quiet tires. The tread area of a quiet tire is coated with a layer of foam. If the sealant is installed, it will be instantly absorbed into the foam, rendering it unable to reach and treat the puncture. The sealant will also likely result in tire vibrations. Additionally, there is no way to remove the sealant from the foam and the tire will likely need to be replaced.
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