b'4 Panel - SmoothSIZE THICKNESS HOLLOW CORE2-0x6-8 1-3/8" 1842-4x6-8 1-3/8" 1852-6x6-8 1-3/8" 1862-8x6-8 1-3/8" 1873-0x6-8 1-3/8" 1881-3/4 solid core doors are 20-min fire rated5 Panel Riverside - Smooth 4 PANEL SIZE THICKNESS HOLLOW CORE SOLID CORE BIFOLD SMOOTH1-0x6-8 1-3/8" RKA - -1-3x6-8 1-3/8" RKB - -1-4x6-8 1-3/8" RKC 2AG -1-6x6-8 1-3/8" RKE - -1-6x6-8 1-3/4" - RKH -1-8x6-8 1-3/8" RV1 - -2-0x6-8 1-3/8" RKJ RKN -2-0x6-8 1-3/4" - RKO -2-4x6-8 1-3/8" RKP RKT -2-6x6-8 1-3/8" RKV RKZ -2-6x6-8 1-3/4" - RKG -2-8x6-8 1-3/8" RLB RLF -DOORS INTERIOR2-8x6-8 1-3/4" - RLG -3-0x6-8 1-3/8" RLH RLL - RIVERSIDE3-0x6-8 1-3/4" - RLM - SMOOTH5-06-8 1-3/8" - - RLO6-0x6-8 1-3/8" - - RLP1-4x8-0* 1-3/8" - 2AH -1-6x8-0* 1-3/8" RKY A53 -1-8x8-0* 1-3/8" - A59 -2-0x8-0* 1-3/4" - A22 -2-0x8-0* 1-3/8" RKK A54 -2-4x8-0* 1-3/8" RKQ A552-6x8-0* 1-3/4" - A23 -2-6x8-0* 1-3/8" RKW A562-8x8-0* 1-3/4" - A24 -2-8x8-0* 1-3/8" RKX A57 -3-0x8-0* 1-3/8" RLI A58 -3-0x8-0* 1-3/4" - RKD -Note: ALL 8-0 doors are 6 panel RIVERSIDESMOOTH BIFOLD1-3/4 solid core doors are 20-min fire rated56 Table of Contents'