I have some Virginia Mill Works Potomac Plank and want to find extra, about 260 square extra. Is there a site or way of tracking that down? It is 5"X1/2" engineered wood. I got it back in 2010, but had to do an addition and LL nationwide has zero. Any help would be appreciated. I already checked HD, LL and Floor & Decor. I would even consider recommendations on a similar replacement. The problem is the grooving and the width and thickness are so far, non-compatible. Any help here again would be greatly appreciated. I do have some left over to work in a not exact look.

May be find any retailer who can help you with low cost, or search for local listings in google which can help you give a better results.

I don't know about a site for looking it up. I usually hunt around 2-3 places and then call a manufacturer I know.