I have(10 inch)painted cedar bevel siding. 9/16 at butt x 9 1/2 with 8 1/2 exposed. After remodeling started we realized this siding is VERY hard to find ! wall dimensions are 58' x 8'6" (minus 1 door and a few windows). what would costs be?. Is custom milling my only hope ? Can i use pine ?