Paint-on repair coating for an old tarp

I have a very old tarp made of some sort of fabric which seems to be coated with some rubber-like layer on one side. [The other side is a once-shinier silver-gray color.] Due to making the mistake of always folding the tarp up, cracks formed and have completely gone through the rubber-like layer: light comes through those cracks. The tarp stays together only because of the mesh of the fabric. [I use the tarp to make an awning on a sunny balcony of my apartment.] [I now roll up the tarp when I no longer need it as awning.]
Is there some kind of paint-on coating I can apply to the worn, rubber- like side? What's it called and where is it bought?
Thanks
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On 6/27/2011 7:03 PM, fp wrote:

Sounds like an old truck tarp or something. There is stuff available (don't know where), but it would probably cost more than buying a new lightweight tarp at Harbor Freight, Tractor Supply, or wherever. Most are blue or green, but they also exist in silver if you are looking for opaque and reflective characteristics. And it will be lighter and much easier to rig and take down than the old rubberized one. Stores in a lot smaller space in the off-season as well.
Here is a link to the current Harbor Freight offerings: < http://www.harborfreight.com/catalogsearch/result?q=tarp>
--
aem sends...

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