Fixing of strings

• Can be designed to be either fixed to a wall with one outer string , fixed between walls or free standing . 
• Majority have one wall string and one outer string . 
• Wall string is fixed directly to the wall along its entire length or is fixed to timber battens plugged to the wall . 
• Top of the wall string being cut and hookled overt the trimming member of the stairwell . 
• Outer string is supported at both ends by a newel post . 
• Bottom newel rest on the floor , and upper newel , it is notched over and fixed to the stairwell trimming member . 
• Newel posts also serve as the termination point for handrails which span between them and is then infilled with balusters . 
• Outer string supported by newel posts .