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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Sorry to reply to my own post but I just unclamped and (as expected) is still warped. By way of more information, there are 9 boards ¾”x3 ½”x 24”. If you’ve ever worked with construction lumber, they notorious for including the pith in the boards (and some had it). I knew this so by selective milling I ended up with 2 quarter sawn, 3 rift sawn, and 4 flat sawn boards. Part of me says soak the panel with water using a sponge and leave clamped on the bench but that could make it worse, right? I remember a tip in a magazine that said if you put a cupped board in the sun, it could un-cup it (but I don’t remember with side goes up!). You can tell I’m grasping at straws but, unfortunately, do not have a lot of experimentation time.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:20.0pt;font-family:"Brush Script MT";color:#1F497D'>Chuck<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Woodworkers [mailto:woodworkers-bounces@lists.sawdusters.org] <b>On Behalf Of </b>Chuck Steger via Woodworkers<br><b>Sent:</b> Sunday, December 17, 2017 1:13 PM<br><b>To:</b> A place where woodworkers talk about woodworking<br><b>Cc:</b> Chuck Steger<br><b>Subject:</b> [Woodworkers] Christmas present help needed!!<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'>A little long but please read as I need help!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'>I’m making a photo board for my granddaughter (believe it or not they are actually printing pictures and the Polaroid is making a comeback). She likes rustic so I was going to make it out of pine (knots and all) and put a barn wood finish on it. Since it was going to be rustic, I figured I could skip a milling step and purchase 1x4 boards at Lowe’s. Most were badly warped but I found 3 - 10’ boards that were relatively straight. I thought that since they acclimated in the store, they should be good to go. Plus I was going to chop up into 2’ lengths so I could manage the warp. I set them aside in my climate controlled shop and went to finish the concrete truck for my grandson. When I went to retrieve the boards, they had warped badly. I knew better but I used them thinking I could force them straight at glue up. When I went to clamp them up, my heart-of-hearts knew it wasn’t going to work because they were warping at glue up. I had gone this far so I glued up, clamped down to a flat work bench and hoped for the best. Sure enough, when I removed the clamps, the panel was badly warped (unfortunately, I was not surprised).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'>I realized I should have done what I planned to do in the first place and go get 2x4’s so I could mill the warp out. I got pretty straight 2x4’s and chopped into 2’ sections and ,milled down to 1 ¼”. I stickered on my bench and let acclimate to shop for a day. Encouraging because as you looked at the stickered stack, they did not appear to be warping at all. So next day I milled down to just under 7/8” and stickered again overnight. Again stack looked good so I milled to final thickness of ¾’. As I was gluing up, I was very encouraged as the glue up was flat. No need to clamp to bench (I did anyway) but was very encouraged. Yesterday morning I unclamped and held my breath but, hooray, a flat panel. I sanded panel to remove glue marks and set aside to practice texturing sample boards for the barn wood finish (still nice and flat). This morning, I went into the shop and the panel was warped!! As I write this, I clamped the board flat to my bench and started to bring the temperature up in my shop. If I’m not working on anything, when I leave the shop for the night, I hold temp to 50 degrees but if I’m working on something, I hold temp to 61. Why 61? Because I bring up temp in 3 degree increments to get to 70. Why 3 degrees? I don’t know, I just do.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'>So I have questions: What happened? Is it the temperature fluctuations (and does 9 degrees really make a difference in warping)? But most importantly, what do I do now? I have less than a week to finish. I could do again with new 2x4’s but I’m not comfortable I wouldn’t have the same issue. As I send this I’m going back out to unclamp from the bench but I don’t expect it to stay flat.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:20.0pt;font-family:"Brush Script MT"'>Chuck<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>