20' X 40' Valance 5 Pc. combo fits a 18' X 40' high peak, "A" shaped canopy frame. The "extra 2 feet" is needed in order to cover a high peak (also know as "A" shaped) frame. The 5 Pc. combo includes a top cover, (2) side panels, (1) solid front door and (1) openening front door. Actual top cover that will be delivered is a 20' x 40'. The two extra feet is required to compensate for the rise in peak. Please refer to canopy diagrams below for proper measurements before ordering. Cover kit only, frame not included.
*** See Diagram Below ***