Anyone ever see awning thread disintegrate?

B1gflip

Active member
Feb 18, 2023
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Cleona Pa
I pulled out the awning for the first time. The fabric was like brand new, but with some algae. Unfortunately, the threads were all disintegrated. Hopefully I can pull it off and have a local awning company sew it. Just wondering if anyone knows what causes it.
 

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Ultra violet light is a beast. I made a cover for my awning, out of 4' strips of roof flashing.
I formed it so it hooks on the roof rail and around the awning
 
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I pulled out the awning for the first time. The fabric was like brand new, but with some algae. Unfortunately, the threads were all disintegrated. Hopefully I can pull it off and have a local awning company sew it. Just wondering if anyone knows what causes it.
Probably just cheap thread. Odd place to save money. Good thread will last as long as good awning fabric, with an awning cover that's many years.
 
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I've got a headliner on a '58 Pontiac where the threads were similarly disintegrating. Being a headliner, it shouldn't have been UV. Maybe just oxidation and time? I'm not sure what type of thread it was, but the headliner material itself was much more robust. It just came apart at the seams like your awning.
 
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I heard-tell that they used marine-grade canvas

My original awning was shortened, with about 10 inches cut off and the awning reattached.

I can see where there are two wheel marks from the door top roller marking the canvas