b'Knotty AlderPanel DoorsArch TopArch TopSquare TopSquare TopSelect grade veneers Width Thickness Smooth V-Groove Smooth V-Groove1-0 1-3/8" 4PA - - -1-3 1-3/8" 4PB 4PN - - Engineered stile 1-6 1-3/8" 4PC 4PO RBA RBG1-6 1-3/4" - 4QH - - 3 ply panelno warping or splitting 2-0 1-3/8" 4PD 4PP RBB RBH2-0 1-3/4" 4PZ 4QI - -2-4 1-3/8" 4RM 4RO RBC RBI 1-3/8 interior use 6-8 8-0 2-4 1-3/4" 4RQ 4RS - -2-6 1-3/8" 4PE 4PQ RBD RBJ 1-3/4 exterior use 2-6 1-3/4" 4QA 4QJ - -2-8 1-3/8" 4PF 4PR RBE RBK2-8 1-3/4" 4QB 4QK 4RE 4RF3-0 1-3/8" 4PG 4PS RBF RBL3-0 1-3/4" 4QC 4QL RBS RBZ1-6 1-3/8" RPH 4PT 2YA 2YG1-6 1-3/4" 4RY 4RZ RBM RBT2-0 1-3/8" 4PI 4PU 2YB 2YH2-0 1-3/4" 4QD 4QM RBN -2-4 1-3/8" 4RN 4RP 2YC 2YI2-4 1-3/4" 4RR 4RT RBO RBV2-6 1-3/8" 4PJ 4PV 2YD 2YJ2-6 1-3/4" 4QE 4QN RBP RBW2-8 1-3/8" 4PK 4PW 2YE 2YK2-8 1-3/4" 4QF 4QO RBQ RBX3-0 1-3/8" 4PL 4PX 2YF 2YL3-0 1-3/4" 4QG 4QP RBR RBY3-6 1-3/4 - 4SS - -10'