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Old 05-11-2015   #1
Eagle, Colorado
Paddling Since: 1990
Join Date: Mar 2015
Posts: 39
Komatex or Sintra for decking?

Has anyone used 1/2" komatex or Sintra for side decking or bench seats? Seems like pretty good rigid stuff but could melt down and deform at 140 degrees.

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Old 05-12-2015   #2
Join Date: Aug 2006
Posts: 131
Expanded PVC

I have used that product, and while rigid, I have found it to be affected by heat and it will snap if flexed. You need HDPE, the cutting board product. Regal/Piedmont in Denver has it.

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Old 05-12-2015   #3
Missoula, Montana
Paddling Since: 2012
Join Date: Mar 2015
Posts: 261
Seconded on the HDPE. HDPE has a constant working temperature limit of ~230 F, while Sintra deforms at ~120 F. HDPE doesn't contract and expand like Sintra, either, and will maintain its rigidity better. HDPE is heavier, but it's going to last a lot longer.
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Old 05-12-2015   #4
Eagle, Colorado
Paddling Since: 1990
Join Date: Mar 2015
Posts: 39
That's what I was thinking as well but the lighter weight of the komatex is what attracted me. Thanks for the input.
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