CLEARANCE
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Opal Twin Wall sheets Opal twin wall sheets provide high light transmission, good thermal insulation, high temperature resistance, high impact strength (hail resistance) and can have a min-dew coating which eliminates condensation and water droplets. Opal twin wall sheet has a 60% light transmission and is the most economical grade of multi-wall sheet available; it comes with a 10 year warranty against yellowing and damage from hail. |
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