There are a couple of possible ways to get your balance information. One would be to contact the HR Dept at Jeld-Wen and have them direct you. It looks like Charles Schwab administers the Jeld-Wen 401k, so you could also try calling them at (800) 724-7526. Good luck!
Perhaps this article is helpful. http://www.brightscope.com/financial-planning/advice/article/24529/10-Ways-To-Find-An-Old-401K-Plan/