LOG HOMES LOG HOMES L BTy PRODUCT SPECIFICATIONS For 2 x 8 STD Cedar Log Siding Description; Air-dried Western Red Cedar, # 2 grade or better, milled to finished size, Size: 1 %7 thick at curvature, 7 tall, Details; %" groove, %4” tongue with 3/8” reveal after stacking. Coverage: 6 1/8” wall coverage. Conversion Factor; 1.9 lineal feet = 1 square foot. To convert wall square footage to lineal feet, multiply the length of the wall by the height of the wall to find the total square footage.