FAQ Knowledge Articles

Standard jamb depth is either 2 3/16” or 4 9/16” depending on the product.  Custom-sized jamb extensions are available up to 26”. 

For additional information, see:
Jamb extension Technical Resources (including Field Applied Instructions)

Contact your local Marvin dealer for more information and reference Technical Bulletin #411003.  For additional support, please call 1-800-533-6898.