Use a product supplied with a leather repair kit in this instance.
To repair weathered white vinyl.
If the damage is severe hydrogen peroxide can reverse the damage but it should only be used on white or gray products.
Any plastic that comes into contact with the sun will eventually crack and lose coloring.
Save the old vinyl to be used as patterns for the new seat covers.
The steps to successful vinyl repair.
If your vinyl is just looking weathered and faded a heat gun can bring it back to life.
Mix vinegar and water in a large bucket in a 30 to 70 ratio 30 percent vinegar and 70 percent water.
Measure the surface with a tape measure.
The solution is a liquid vinyl repair kit and keeping your vinyl conditioned to prevent further wear and tear.
Basically you want to gently melt the top layer of the vinyl which in turn will give it a glossy shine.
Run a heat gun over a weathered piece of vinyl.
Spread the filler apply heat with a hair dryer or as specified in the product instructions and repeat until the surface is flush.
Knowing this you can preserve valuable items by regularly treating them with commercial plastic conditioning products.
When this topcoat wears away or is damaged the vinyl can crack.
Run the heat gun over the whole thing moving back and forth so you don t stay in one spot too long.
Lay the old vinyl out on the tarps.
Run the tap water until it is hot.