<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div>Hans,<br><br>that is an interesting reference, well done.<br>what about if the box is under the panels and only experiencing ambient temperatures?<br>That is kind of my current preference when I have to use pvc due to the deforming issues...<br>since the panels are movable by unbolting the slow-release mounting system, it is alright.<br></div></div><br>
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