Hi,
in which case you might find HatchKit for RevitLT handy but possibly overkill for a pattern containing only vertical lines giving widths of say, 100, 55, 250, 45 repeating indefinitely:
;-------------------------------------------------------------------------------
; Written by HatchKit for Revit LT
; HatchKit for Revit LT (c)1990-2019 Cadro Pty Ltd
; www.hatchkit.com.au/
;-------------------------------------------------------------------------------
;-Date : 2019-03-26
;-Time : 10:36:22
;-HatchKit Version : 3.1.11.2774
;-------------------------------------------------------------------------------
;%VERSION=3.0
;%UNITS=MM
*TimberBoarding
;%TYPE=MODEL
90,100,0,0,450
90,155,0,0,450
90,405,0,0,450
90,450,0,0,450
hth,
Hugh Adamson