---------------------- multipart/alternative attachment Hi Del I guess what I was getting at was what range of RH would we need to confine a panel to for it avoid tension caused cracking. Actually, as long as this is up. Maybe a rough comparison for safe operating RH's for both CC and RC boards. RicB Delwin D Fandrich wrote: > > Delwin D Fandrich wrote: > > > Yes, I see what you mean. I don't see how, in anything > remotely resembling average climate conditions, you would > generate enough tension to cause the thing to crack. > Assuming the panel was at some MC in the 7% to 9% range when > it was ribbed. > > > Hi Del... would you put a figure on what you mean by > "average climate conditions" just for edification please ? > Thanks muchly. > > Poor choice of words. Replace "average" with "typical" or "common." In > other words, any micro-climate that might be found inside a normal > home in what is normally considered to be normal civilization. > > Del -- Richard Brekne RPT, N.P.T.F. UiB, Bergen, Norway mailto:rbrekne@broadpark.no http://home.broadpark.no/~rbrekne/ricmain.html http://www.hf.uib.no/grieg/personer/cv_RB.html ---------------------- multipart/alternative attachment An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/f4/f4/96/56/attachment.htm ---------------------- multipart/alternative attachment--
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