How stiff is the center fin? Can this be used as a seal?

A quick learner from Florida says:
How stiff is the center fin? Could this seal be used as the top seal on a slidding glass door?

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Donna from SWISCO responded:
The center fin in the 58-045, weatherstrip, is soft and pliable. If it matches the current measures of your current weatherseal it would think it would work well for a replacement.
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